| Name | IUCN | Gazetted area(hectare) | Declared | Coordinates | IBRA |
| Adele Island Nature Reserve | Ia | 217 | 1 December 2000 | 15°30′40″S 123°09′25″E / 15.511133395°S 123.1569483659°E / -15.511133395; 123.1569483659 (Adele Island) | NOK |
| Airlie Island Nature Reserve | Ia | 41 | 27 November 1987 | 21°19′22″S 115°10′02″E / 21.3228810955°S 115.1672681316°E / -21.3228810955; 115.1672681316 (Airlie Island) | PIL |
| Alco Nature Reserve | Ia | 191 | 27 July 1973 | 34°07′43″S 116°08′39″E / 34.12855109°S 116.1440390078°E / -34.12855109; 116.1440390078 (Alco) | JAF |
| Alexander Nature Reserve | Ia | 807 | 20 December 1963 | 33°50′42″S 122°47′30″E / 33.845082741°S 122.7916745958°E / -33.845082741; 122.7916745958 (Alexander) | ESP |
| Alfred Cove Nature Reserve | Ia | 9 | 9 December 1977 | 32°01′08″S 115°48′22″E / 32.0189620327°S 115.8061772435°E / -32.0189620327; 115.8061772435 (Alfred Cove) | SWA |
| Amery Nature Reserve | Ia | 36 | 30 March 1984 | 31°09′08″S 117°05′39″E / 31.1520914632°S 117.0941806885°E / -31.1520914632; 117.0941806885 (Amery) | AVW |
| Anderson Lake Nature Reserve | Ia | 479 | 5 December 1958 | 34°10′21″S 117°57′52″E / 34.1726136726°S 117.9644384045°E / -34.1726136726; 117.9644384045 (Anderson Lake) | MAL |
| Arpenteur Nature Reserve | Ia | 89 | 4 July 1980 | 34°53′10″S 118°24′53″E / 34.886029052°S 118.41475431°E / -34.886029052; 118.41475431 (Arpenteur) | ESP |
| Arthur River Nature Reserve | Ia | 3,248 | 17 May 1963 | 33°03′53″S 117°21′25″E / 33.064669105°S 117.357017015°E / -33.064669105; 117.357017015 (Arthur River) | AVW, JAF |
| Austin Bay Nature Reserve | Ia | 1,659 | 21 January 1898 | 32°37′36″S 115°45′11″E / 32.626770933°S 115.7531675236°E / -32.626770933; 115.7531675236 (Austin Bay) | SWA |
| Badjaling Nature Reserve | Ia | 241 | 12 June 1953 | 31°59′21″S 117°30′24″E / 31.9892698588°S 117.506785143°E / -31.9892698588; 117.506785143 (Badjaling) | AVW |
| Badjaling North Nature Reserve | Ia | 58 | 30 March 1906 | 31°58′42″S 117°29′30″E / 31.9782900465°S 117.4915598101°E / -31.9782900465; 117.4915598101 (Badjaling North) | AVW |
| Badjaling West Nature Reserve | Ia | 56 | 14 October 1966 | 32°00′12″S 117°28′44″E / 32.0033384395°S 117.4790065377°E / -32.0033384395; 117.4790065377 (Badjaling West) | AVW |
| Bakers Junction Nature Reserve | Ia | 1,087 | 7 August 1970 | 34°54′34″S 117°56′28″E / 34.909555318°S 117.9411918331°E / -34.909555318; 117.9411918331 (Bakers Junction) | JAF |
| Baladjie Lake Nature Reserve | Ia | 8,916 | 15 June 1993 | 30°56′13″S 118°51′49″E / 30.9369422955°S 118.8637210418°E / -30.9369422955; 118.8637210418 (Baladjie Lake) | AVW, COO |
| Balannup Lake Nature Reserve | Ia | 6 | 10 June 1891 | 32°06′49″S 115°56′38″E / 32.1135077375°S 115.9439284871°E / -32.1135077375; 115.9439284871 (Balannup Lake) | SWA |
| Bald Island Nature Reserve | Ia | 809 | 3 March 1961 | 34°55′14″S 118°28′05″E / 34.9206292665°S 118.4681357589°E / -34.9206292665; 118.4681357589 (Bald Island) | ESP |
| Balicup Lake Nature Reserve | Ia | 687 | 21 December 1923 | 34°15′53″S 117°47′03″E / 34.2648155122°S 117.7840280265°E / -34.2648155122; 117.7840280265 (Balicup Lake) | AVW |
| Balkuling Nature Reserve | Ia | 12 | 10 June 1955 | 31°51′15″S 117°06′23″E / 31.8540318865°S 117.1063006991°E / -31.8540318865; 117.1063006991 (Balkuling) | AVW |
| Ballast Pit Nature Reserve | Ia | 12 | 30 January 1931 | 33°35′12″S 118°03′01″E / 33.586676773°S 118.0503514388°E / -33.586676773; 118.0503514388 (Ballast Pit) | MAL |
| Bambanup Nature Reserve | Ia | 101 | 26 April 1963 | 31°25′30″S 115°53′24″E / 31.4249491033°S 115.8898812285°E / -31.4249491033; 115.8898812285 (Bambanup) | SWA |
| Banksia Nature Reserve | Ia | 33 | 8 July 1966 | 32°15′16″S 115°53′21″E / 32.2544007532°S 115.8893032705°E / -32.2544007532; 115.8893032705 (Banksia) | SWA |
| Barbalin Nature Reserve | Ia | 176 | 22 December 1972 | 30°53′08″S 118°06′24″E / 30.88544832°S 118.1067601812°E / -30.88544832; 118.1067601812 (Barbalin) | AVW |
| Barlee Range Nature Reserve | Ia | 104,544 | 31 May 1963 | 23°11′57″S 115°56′15″E / 23.1991202854°S 115.9374926895°E / -23.1991202854; 115.9374926895 (Barlee Range) | GAS |
| Barrabarra Nature Reserve | Ia | 929 | 14 October 1966 | 28°37′28″S 115°57′29″E / 28.624525045°S 115.9580667174°E / -28.624525045; 115.9580667174 (Barrabarra) | AVW |
| Barracca Nature Reserve | Ia | 17 | 19 April 1918 | 31°31′20″S 116°01′40″E / 31.522261808°S 116.0276659922°E / -31.522261808; 116.0276659922 (Barracca) | SWA |
| Barrow Island Nature Reserve | Ia | 23,483 | 27 November 1908 | 20°48′16″S 115°23′37″E / 20.8045042256°S 115.3936446225°E / -20.8045042256; 115.3936446225 (Barrow Island) | CAR |
| Bartletts Well Nature Reserve | Ia | 117 | 19 May 1887 | 31°09′48″S 115°48′36″E / 31.163404176°S 115.810123271°E / -31.163404176; 115.810123271 (Bartletts Well) | SWA |
| Bartram Nature Reserve | Ia | 58 | 9 March 1928 | 32°22′55″S 116°43′58″E / 32.3819237047°S 116.7328537015°E / -32.3819237047; 116.7328537015 (Bartram) | JAF |
| Bashford Nature Reserve | Ia | 101 | 4 October 1985 | 30°53′17″S 115°23′06″E / 30.8880192185°S 115.3848988329°E / -30.8880192185; 115.3848988329 (Bashford) | SWA |
| Basil Road Nature Reserve | Ia | 1,162 | 3 May 1968 | 34°38′14″S 118°37′30″E / 34.6372736535°S 118.6249488154°E / -34.6372736535; 118.6249488154 (Basil Road) | ESP |
| Beaufort Bridge Nature Reserve | Ia | 148 | 23 September 1890 | 33°30′07″S 117°03′44″E / 33.50205234°S 117.0623311851°E / -33.50205234; 117.0623311851 (Beaufort Bridge) | JAF |
| Beaumont Nature Reserve | Ia | 11,759 | 29 June 1973 | 33°30′38″S 122°36′43″E / 33.5104589865°S 122.612013141°E / -33.5104589865; 122.612013141 (Beaumont) | ESP, MAL |
| Bebenorin Nature Reserve | Ia | 20 | 23 August 1974 | 33°38′44″S 122°56′07″E / 33.6455754965°S 122.9352462759°E / -33.6455754965; 122.9352462759 (Bebenorin) | ESP |
| Bedout Island Nature Reserve | Ia | 31 | 31 December 1975 | 19°35′18″S 119°05′58″E / 19.5884540475°S 119.099359033°E / -19.5884540475; 119.099359033 (Bedout Island) | PIL |
| Beebeegnying Nature Reserve | Ia | 143 | 19 July 1963 | 30°38′08″S 117°55′14″E / 30.6356294265°S 117.920584949°E / -30.6356294265; 117.920584949 (Beebeegnying) | AVW |
| Beechina Nature Reserve | Ia | 65 | 4 December 1970 | 31°51′16″S 116°19′00″E / 31.8543996973°S 116.316621047°E / -31.8543996973; 116.316621047 (Beechina) | JAF |
| Beechina North Nature Reserve | Ia | 24 | 11 December 1970 | 31°50′34″S 116°18′50″E / 31.842894449°S 116.3140005321°E / -31.842894449; 116.3140005321 (Beechina North) | JAF |
| Beejenup Nature Reserve | Ia | 50 | 23 October 1970 | 34°14′36″S 117°50′16″E / 34.2434282118°S 117.837746944°E / -34.2434282118; 117.837746944 (Beejenup) | AVW, ESP |
| Beekeepers Nature Reserve | Ia | 66,277 | 6 July 1956 | 29°42′20″S 115°02′41″E / 29.7056916403°S 115.0446278445°E / -29.7056916403; 115.0446278445 (Beekeepers) | GES, SWA |
| Beetalyinna Nature Reserve | Ia | 206 | 15 September 1892 | 28°47′37″S 115°03′45″E / 28.7937191635°S 115.0624233315°E / -28.7937191635; 115.0624233315 (Beetalyinna) | GES |
| Bella Vista Nature Reserve | Ia | 69 | 5 June 1987 | 28°32′14″S 114°40′32″E / 28.5373479403°S 114.675531422°E / -28.5373479403; 114.675531422 (Bella Vista) | GES |
| Bendering Nature Reserve | Ia | 1,895 | 24 June 1960 | 32°23′21″S 118°22′29″E / 32.389259205°S 118.37483686°E / -32.389259205; 118.37483686 (Bendering) | MAL |
| Benger Swamp Nature Reserve | Ia | 578 | 26 August 1977 | 33°10′22″S 115°50′11″E / 33.1728066273°S 115.8365187445°E / -33.1728066273; 115.8365187445 (Benger Swamp) | SWA |
| Bernier and Dorre Islands Nature Reserve | IV | 9,720 | 6 December 1957 | 25°06′47″S 113°05′55″E / 25.1129813082°S 113.0985882315°E / -25.1129813082; 113.0985882315 (Bernier and Dorre Islands) | YAL |
| Bessieres Island Nature Reserve | Ia | 55 | 1 December 2000 | 21°31′32″S 114°45′44″E / 21.525587293°S 114.7623013005°E / -21.525587293; 114.7623013005 (Bessieres Island) | CAR |
| Betts Nature Reserve | Ia | 25 | 17 May 1985 | 31°09′30″S 116°03′10″E / 31.1582601265°S 116.052715106°E / -31.1582601265; 116.052715106 (Betts) | JAF |
| Bewmalling Nature Reserve | Ia | 38 | 17 April 1970 | 31°20′37″S 116°24′50″E / 31.3436176612°S 116.4139945105°E / -31.3436176612; 116.4139945105 (Bewmalling) | JAF |
| Biglin Nature Reserve | Ia | 6 | 22 May 1964 | 32°30′01″S 118°42′50″E / 32.5002900144°S 118.713793745°E / -32.5002900144; 118.713793745 (Biglin) | MAL |
| Biljahnie Rock Nature Reserve | Ia | 1,036 | 15 August 1969 | 31°18′46″S 119°52′01″E / 31.3128681445°S 119.8669676598°E / -31.3128681445; 119.8669676598 (Biljahnie Rock) | COO |
| Billericay Nature Reserve | Ia | 239 | 8 June 1979 | 32°16′45″S 118°19′29″E / 32.2790842378°S 118.324733695°E / -32.2790842378; 118.324733695 (Billericay) | MAL |
| Billyacatting Hill Nature Reserve | Ia | 2,063 | 1 July 1921 | 31°03′50″S 118°00′44″E / 31.0639031387°S 118.0123235295°E / -31.0639031387; 118.0123235295 (Billyacatting Hill) | AVW |
| Biluny Wells Nature Reserve | Ia | 22,852 | 3 February 2021 | 29°51′03″S 117°01′53″E / 29.850795002°S 117.0315225143°E / -29.850795002; 117.0315225143 (Biluny Wells) | AVW |
| Binaronca Nature Reserve | Ia | 186 | 28 June 1974 | 31°42′13″S 121°41′32″E / 31.70355535°S 121.6920900901°E / -31.70355535; 121.6920900901 (Binaronca) | COO |
| Bindoo Hill Nature Reserve | Ia | 649 | 12 October 1956 | 28°29′43″S 115°13′38″E / 28.4951774135°S 115.227110552°E / -28.4951774135; 115.227110552 (Bindoo Hill) | GES |
| Bindoon Spring Nature Reserve | Ia | 39 | 24 January 1896 | 31°23′53″S 116°21′05″E / 31.3981244615°S 116.3513348009°E / -31.3981244615; 116.3513348009 (Bindoon Spring) | JAF |
| Birdwhistle Nature Reserve | Ia | 396 | 15 September 1950 | 32°52′18″S 117°29′42″E / 32.871635279°S 117.4949765496°E / -32.871635279; 117.4949765496 (Birdwhistle) | AVW |
| Birdwood Nature Reserve | Ia | 46 | 18 February 1966 | 33°41′17″S 117°14′24″E / 33.6880679148°S 117.2399968685°E / -33.6880679148; 117.2399968685 (Birdwood) | JAF |
| Bishops Nature Reserve | Ia | 1,404 | 15 March 1968 | 33°18′19″S 121°33′51″E / 33.3054118395°S 121.5640715823°E / -33.3054118395; 121.5640715823 (Bishops) | MAL |
| Blue Gum Creek Nature Reserve | Ia | 85 | 4 November 1927 | 34°50′24″S 117°33′46″E / 34.839964968°S 117.5628796602°E / -34.839964968; 117.5628796602 (Blue Gum Creek) | JAF |
| Blue Well Nature Reserve | Ia | 29 | 11 July 1913 | 28°16′50″S 114°46′24″E / 28.2805633725°S 114.773203933°E / -28.2805633725; 114.773203933 (Blue Well) | GES |
| Bobakine Nature Reserve | Ia | 272 | 12 July 1994 | 31°40′03″S 116°31′56″E / 31.6673641758°S 116.5321237855°E / -31.6673641758; 116.5321237855 (Bobakine) | JAF |
| Bockaring Nature Reserve | Ia | 91 | 31 March 1905 | 33°23′00″S 117°28′18″E / 33.38323023°S 117.4716707618°E / -33.38323023; 117.4716707618 (Bockaring) | AVW |
| Bokan Nature Reserve | Ia | 520 | 25 January 1907 | 32°59′04″S 117°31′42″E / 32.9844917109°S 117.5284153585°E / -32.9844917109; 117.5284153585 (Bokan) | AVW |
| Bokarup Nature Reserve | Ia | 146 | 2 May 1913 | 34°20′05″S 116°49′57″E / 34.334716755°S 116.8325561644°E / -34.334716755; 116.8325561644 (Bokarup) | JAF |
| Bon Accord Road Nature Reserve | Ia | 10 | 4 September 1970 | 34°56′03″S 117°55′39″E / 34.934140948°S 117.9275728195°E / -34.934140948; 117.9275728195 (Bon Accord Road) | JAF |
| Boodadong Nature Reserve | Ia | 40 | 26 August 1927 | 31°10′21″S 116°23′40″E / 31.1724732125°S 116.3943983152°E / -31.1724732125; 116.3943983152 (Boodadong) | JAF |
| Boodie, Double Middle Islands Nature Reserve | Ia | 587 | 13 April 1984 | 20°54′43″S 115°19′36″E / 20.9120494269°S 115.3266532265°E / -20.9120494269; 115.3266532265 (Boodie, Double Middle Islands) | CAR, PIL |
| Boolading Nature Reserve | Ia | 163 | 21 April 1961 | 33°21′09″S 116°37′33″E / 33.3524613825°S 116.6257954553°E / -33.3524613825; 116.6257954553 (Boolading) | JAF |
| Boolanelling Nature Reserve | Ia | 669 | 30 April 1948 | 32°06′53″S 117°47′12″E / 32.1146148685°S 117.7867308829°E / -32.1146148685; 117.7867308829 (Boolanelling) | AVW |
| Boonadgin Nature Reserve | Ia | 202 | 28 September 1934 | 32°36′27″S 116°57′28″E / 32.6075358675°S 116.9577172127°E / -32.6075358675; 116.9577172127 (Boonadgin) | AVW |
| Boonanarring Nature Reserve | Ia | 9,250 | 9 August 1991 | 31°12′32″S 115°53′42″E / 31.2089006175°S 115.8948876705°E / -31.2089006175; 115.8948876705 (Boonanarring) | SWA |
| Booraan Nature Reserve | Ia | 480 | 18 April 1969 | 31°27′40″S 118°27′03″E / 31.461161846°S 118.4508120898°E / -31.461161846; 118.4508120898 (Booraan) | AVW |
| Boothendarra Nature Reserve | Ia | 2,075 | 5 November 1965 | 30°16′13″S 115°39′26″E / 30.27019271°S 115.6570863336°E / -30.27019271; 115.6570863336 (Boothendarra) | GES |
| Bootine Nature Reserve | Ia | 71 | 5 August 1997 | 31°14′54″S 115°44′53″E / 31.2483833255°S 115.748078312°E / -31.2483833255; 115.748078312 (Bootine) | SWA |
| Boullanger, Whitlock, Favourite, Tern and Osprey Islands Nature Reserve | Ia | 40 | 9 August 1968 | 30°19′05″S 114°59′56″E / 30.318160816°S 114.9988312198°E / -30.318160816; 114.9988312198 (Boullanger, Whitlock, Favourite, Tern and Osprey Islands) | SWA |
| Boundain Nature Reserve | Ia | 289 | 28 July 1933 | 32°55′09″S 117°21′22″E / 32.9191147739°S 117.356009611°E / -32.9191147739; 117.356009611 (Boundain) | AVW |
| Bowgada Nature Reserve | Ia | 152 | 11 April 1969 | 29°20′09″S 116°10′03″E / 29.33584191°S 116.1673624966°E / -29.33584191; 116.1673624966 (Bowgada) | AVW |
| Bowgarder Nature Reserve | Ia | 1,170 | 25 September 1987 | 29°14′36″S 116°22′09″E / 29.24324752°S 116.3692070153°E / -29.24324752; 116.3692070153 (Bowgarder) | AVW |
| Boyagin Nature Reserve | Ia | 4,966 | 24 January 1908 | 32°28′18″S 116°52′49″E / 32.471601851°S 116.8802987587°E / -32.471601851; 116.8802987587 (Boyagin) | AVW |
| Boyermucking Nature Reserve | Ia | 36 | 14 May 1909 | 32°28′49″S 117°31′59″E / 32.4803147825°S 117.5331855896°E / -32.4803147825; 117.5331855896 (Boyermucking) | AVW |
| Bradford Nature Reserve | Ia | 95 | 20 September 1912 | 32°54′07″S 117°02′17″E / 32.9020548775°S 117.0380205219°E / -32.9020548775; 117.0380205219 (Bradford) | AVW |
| Breakaway Ridge Nature Reserve | Ia | 3,323 | 15 March 1968 | 33°13′27″S 118°55′08″E / 33.224289273°S 118.9188449241°E / -33.224289273; 118.9188449241 (Breakaway Ridge) | MAL |
| Breaksea Island Nature Reserve | Ia | 104 | 25 June 1965 | 35°03′48″S 118°03′16″E / 35.0633050915°S 118.0545177477°E / -35.0633050915; 118.0545177477 (Breaksea Island) | JAF |
| Breera Road Nature Reserve | Ia | 108 | 4 February 2004 | 31°26′57″S 115°57′48″E / 31.4492724115°S 115.9634177785°E / -31.4492724115; 115.9634177785 (Breera Road) | SWA |
| Broadwater Nature Reserve | Ia | 80 | 20 December 1963 | 33°40′19″S 115°17′09″E / 33.672011736°S 115.2857956019°E / -33.672011736; 115.2857956019 (Broadwater) | SWA |
| Brooks Nature Reserve | Ia | 22 | 25 June 1915 | 32°51′27″S 117°31′59″E / 32.8574715379°S 117.532986161°E / -32.8574715379; 117.532986161 (Brooks) | AVW |
| Brookton Highway Nature Reserve | Ia | 421 | 12 September 1980 | 32°24′10″S 116°43′15″E / 32.4026404475°S 116.7208208769°E / -32.4026404475; 116.7208208769 (Brookton Highway) | JAF |
| Broomehill Nature Reserve | Ia | 10 | 20 December 1918 | 33°53′05″S 117°41′44″E / 33.884850119°S 117.6955372785°E / -33.884850119; 117.6955372785 (Broomehill) | AVW |
| Browse Island Nature Reserve | Ia | 14 | 26 September 1947 | 14°06′33″S 123°32′56″E / 14.109264605°S 123.548867444°E / -14.109264605; 123.548867444 (Browse Island) | ITI |
| Bruce Rock Nature Reserve | Ia | 40 | 13 August 1909 | 31°52′15″S 118°10′08″E / 31.870810576°S 118.1687591074°E / -31.870810576; 118.1687591074 (Bruce Rock) | AVW |
| Buchanan Nature Reserve | Ia | 129 | 18 March 1932 | 33°05′46″S 117°33′14″E / 33.096049868°S 117.5537651396°E / -33.096049868; 117.5537651396 (Buchanan) | AVW |
| Bugin Nature Reserve | Ia | 26 | 14 October 1966 | 32°05′09″S 117°23′35″E / 32.085848517°S 117.3931805034°E / -32.085848517; 117.3931805034 (Bugin) | AVW |
| Bulgin Nature Reserve | Ia | 24 | 14 November 1975 | 31°39′26″S 117°05′09″E / 31.657100947°S 117.0858919635°E / -31.657100947; 117.0858919635 (Bulgin) | AVW |
| Buller Nature Reserve | Ia | 301 | 4 October 1940 | 32°52′50″S 115°49′47″E / 32.8806205271°S 115.829848973°E / -32.8806205271; 115.829848973 (Buller) | SWA |
| Bullsbrook Nature Reserve | Ia | 120 | 7 June 1901 | 31°37′35″S 116°01′12″E / 31.62642314°S 116.020130375°E / -31.62642314; 116.020130375 (Bullsbrook) | SWA |
| Bundarra Nature Reserve | Ia | 213 | 30 April 1954 | 30°55′36″S 115°49′27″E / 30.926594715°S 115.8240485022°E / -30.926594715; 115.8240485022 (Bundarra) | SWA |
| Bungulla Nature Reserve | Ia | 24 | 15 April 1976 | 31°37′33″S 117°35′30″E / 31.6257127875°S 117.5917305332°E / -31.6257127875; 117.5917305332 (Bungulla) | AVW |
| Buntine Nature Reserve | Ia | 1,919 | 31 May 1963 | 30°00′06″S 116°38′22″E / 30.0015384315°S 116.639315653°E / -30.0015384315; 116.639315653 (Buntine) | AVW |
| Burdett Nature Reserve | Ia | 71 | 18 March 1966 | 33°28′53″S 122°14′11″E / 33.48126159°S 122.2365052087°E / -33.48126159; 122.2365052087 (Burdett) | ESP, MAL |
| Burdett North Nature Reserve | Ia | 812 | 25 February 1966 | 33°29′28″S 122°11′09″E / 33.491191813°S 122.1857059218°E / -33.491191813; 122.1857059218 (Burdett North) | MAL |
| Burdett South Nature Reserve | Ia | 4,467 | 18 February 1966 | 33°32′18″S 122°12′13″E / 33.5382952345°S 122.203529418°E / -33.5382952345; 122.203529418 (Burdett South) | ESP, MAL |
| Burges Spring Nature Reserve | Ia | 94 | 2 May 1882 | 31°28′46″S 117°41′18″E / 31.4793539335°S 117.6882002158°E / -31.4793539335; 117.6882002158 (Burges Spring) | AVW |
| Burgess Well Nature Reserve | Ia | 68 | 10 March 1916 | 27°57′14″S 114°44′33″E / 27.953879833°S 114.7424712309°E / -27.953879833; 114.7424712309 (Burgess Well) | GES |
| Burma Road Nature Reserve | Ia | 6,890 | 15 March 1963 | 28°56′30″S 115°06′44″E / 28.941701695°S 115.1121247367°E / -28.941701695; 115.1121247367 (Burma Road) | GES |
| Burnside and Simpson Island Nature Reserve | Ia | 115 | 15 June 1993 | 22°06′15″S 114°30′35″E / 22.1042790072°S 114.5096596625°E / -22.1042790072; 114.5096596625 (Burnside and Simpson Island) | CAR |
| Burracoppin Nature Reserve | Ia | 202 | 19 January 1923 | 31°24′39″S 118°30′20″E / 31.4107052063°S 118.5056530205°E / -31.4107052063; 118.5056530205 (Burracoppin) | AVW |
| Burroloo Well Nature Reserve | Ia | 11 | 29 April 1873 | 31°26′50″S 116°04′03″E / 31.4472625755°S 116.067363965°E / -31.4472625755; 116.067363965 (Burroloo Well) | JAF |
| Bushfire Rock Nature Reserve | Ia | 115 | 13 December 1968 | 32°26′30″S 119°21′01″E / 32.441688264°S 119.350333091°E / -32.441688264; 119.350333091 (Bushfire Rock) | MAL |
| Byrd Swamp Nature Reserve | Ia | 41 | 6 July 1894 | 33°06′20″S 115°48′23″E / 33.1054178375°S 115.8065053127°E / -33.1054178375; 115.8065053127 (Byrd Swamp) | SWA |
| Cairlocup Nature Reserve | Ia | 1,577 | 28 October 1966 | 33°43′50″S 118°44′27″E / 33.7305268295°S 118.7408608116°E / -33.7305268295; 118.7408608116 (Cairlocup) | MAL |
| Cairn Nature Reserve | Ia | 720 | 16 June 1905 | 31°50′36″S 118°50′53″E / 31.843385644°S 118.848006353°E / -31.843385644; 118.848006353 (Cairn) | AVW |
| Calcaling Nature Reserve | Ia | 170 | 30 September 1910 | 30°51′43″S 118°21′24″E / 30.861990215°S 118.3566240303°E / -30.861990215; 118.3566240303 (Calcaling) | AVW |
| Camel Lake Nature Reserve | Ia | 3,215 | 12 January 1962 | 34°17′30″S 118°00′26″E / 34.291747045°S 118.0073231277°E / -34.291747045; 118.0073231277 (Camel Lake) | ESP |
| Camerer Nature Reserve | Ia | 171 | 22 January 1993 | 31°16′19″S 116°22′07″E / 31.2719897536°S 116.3686873365°E / -31.2719897536; 116.3686873365 (Camerer) | JAF |
| Canna Nature Reserve | Ia | 253 | 30 August 1968 | 28°53′33″S 115°50′18″E / 28.892498485°S 115.8383884035°E / -28.892498485; 115.8383884035 (Canna) | AVW |
| Capamauro Nature Reserve | Ia | 4,686 | 11 January 1957 | 29°53′25″S 115°54′34″E / 29.890147975°S 115.9095351098°E / -29.890147975; 115.9095351098 (Capamauro) | AVW, GES |
| Capel Nature Reserve | Ia | 94 | 24 September 1915 | 33°34′33″S 115°32′44″E / 33.5759136056°S 115.545434837°E / -33.5759136056; 115.545434837 (Capel) | SWA |
| Capercup Road North Nature Reserve | Ia | 146 | 4 February 1972 | 33°31′20″S 116°44′02″E / 33.522196042°S 116.7337646285°E / -33.522196042; 116.7337646285 (Capercup Road North) | JAF |
| Cardunia Rocks Nature Reserve | Ia | 29 | 24 January 1986 | 30°55′46″S 122°33′59″E / 30.9293210055°S 122.5664501615°E / -30.9293210055; 122.5664501615 (Cardunia Rocks) | COO |
| Cardup Nature Reserve | Ia | 75 | 23 March 1894 | 32°14′46″S 115°59′20″E / 32.2461304154°S 115.989013756°E / -32.2461304154; 115.989013756 (Cardup) | SWA |
| Carlyarn Nature Reserve | Ia | 2,723 | 6 April 1962 | 30°03′07″S 117°27′41″E / 30.0520695568°S 117.4613128285°E / -30.0520695568; 117.4613128285 (Carlyarn) | AVW |
| Carmody Nature Reserve | Ia | 287 | 17 May 1963 | 33°00′07″S 117°26′37″E / 33.0019592936°S 117.44350975°E / -33.0019592936; 117.44350975 (Carmody) | AVW |
| Carnac Island Nature Reserve | Ia | 22 | 8 March 1963 | 32°07′18″S 115°39′46″E / 32.1217617455°S 115.6628622351°E / -32.1217617455; 115.6628622351 (Carnac Island) | SWA |
| Caron Nature Reserve | Ia | 291 | 17 May 1963 | 29°36′02″S 116°19′50″E / 29.6005316238°S 116.330472989°E / -29.6005316238; 116.330472989 (Caron) | AVW |
| Carrabin Nature Reserve | Ia | 760 | 10 December 1915 | 31°23′43″S 118°39′58″E / 31.3951828669°S 118.666181771°E / -31.3951828669; 118.666181771 (Carrabin) | AVW |
| Carribin Rock Nature Reserve | Ia | 23 | 25 October 1907 | 31°21′21″S 117°29′23″E / 31.3557703011°S 117.489846348°E / -31.3557703011; 117.489846348 (Carribin Rock) | AVW |
| Carrolup Nature Reserve | Ia | 30 | 21 June 1901 | 33°41′34″S 117°21′49″E / 33.692651963°S 117.3635116739°E / -33.692651963; 117.3635116739 (Carrolup) | AVW, JAF |
| Cartamulligan Well Nature Reserve | Ia | 18 | 2 October 1884 | 31°29′35″S 116°45′18″E / 31.493119638°S 116.7549332063°E / -31.493119638; 116.7549332063 (Cartamulligan Well) | AVW |
| Cascade Nature Reserve | Ia | 384 | 2 February 1973 | 33°28′58″S 121°06′54″E / 33.4828800925°S 121.1149937925°E / -33.4828800925; 121.1149937925 (Cascade) | MAL |
| Casuarina Nature Reserve | Ia | 196 | 20 October 1892 | 33°20′06″S 117°21′43″E / 33.3350903575°S 117.3620319012°E / -33.3350903575; 117.3620319012 (Casuarina) | AVW |
| Chandala Nature Reserve | Ia | 146 | 13 February 1981 | 31°29′35″S 115°57′08″E / 31.4930678035°S 115.952266193°E / -31.4930678035; 115.952266193 (Chandala) | SWA |
| Charles Gardner Reserve Nature Reserve | Ia | 799 | 1 March 1929 | 31°47′02″S 117°29′14″E / 31.7837779865°S 117.4872921072°E / -31.7837779865; 117.4872921072 (Charles Gardner Reserve) | AVW |
| Chatham Island Nature Reserve | Ia | 100 | 30 March 1973 | 35°01′53″S 116°29′53″E / 35.0314918338°S 116.4979663295°E / -35.0314918338; 116.4979663295 (Chatham Island) | WAR |
| Cheadanup Nature Reserve | Ia | 7,139 | 2 February 1973 | 33°30′23″S 120°40′04″E / 33.5064115117°S 120.66775376°E / -33.5064115117; 120.66775376 (Cheadanup) | ESP, MAL |
| Cherry Tree Pool Nature Reserve | Ia | 6 | 21 July 1905 | 33°42′31″S 117°16′04″E / 33.708633823°S 117.2676695178°E / -33.708633823; 117.2676695178 (Cherry Tree Pool) | JAF |
| Chester Nature Reserve | Ia | 372 | 8 December 2004 | 34°10′56″S 115°21′45″E / 34.1821735565°S 115.362378524°E / -34.1821735565; 115.362378524 (Chester) | JAF |
| Cheyne Island Nature Reserve | Ia | 20 | 29 August 1913 | 34°35′37″S 118°46′00″E / 34.5934944085°S 118.766772262°E / -34.5934944085; 118.766772262 (Cheyne Island) | ESP |
| Cheyne Road Nature Reserve | Ia | 367 | 26 March 1964 | 34°48′31″S 118°17′26″E / 34.808517132°S 118.290561559°E / -34.808517132; 118.290561559 (Cheyne Road) | ESP, JAF |
| Chiddarcooping Nature Reserve | Ia | 5,262 | 23 April 1926 | 30°54′12″S 118°39′27″E / 30.9032935732°S 118.657508176°E / -30.9032935732; 118.657508176 (Chiddarcooping) | AVW |
| Chilimony Nature Reserve | Ia | 146 | 30 October 1903 | 28°06′10″S 114°33′50″E / 28.102909103°S 114.563788075°E / -28.102909103; 114.563788075 (Chilimony) | GES |
| Chillinup Nature Reserve | Ia | 330 | 31 July 1959 | 34°32′21″S 118°04′16″E / 34.5390992401°S 118.071203903°E / -34.5390992401; 118.071203903 (Chillinup) | ESP |
| Chinamans Pool Nature Reserve | Ia | 27 | 21 July 1972 | 24°51′38″S 113°40′20″E / 24.8604281225°S 113.6723319569°E / -24.8604281225; 113.6723319569 (Chinamans Pool) | CAR |
| Chinocup Nature Reserve | Ia | 19,825 | 20 January 1967 | 33°14′34″S 118°23′33″E / 33.242852466°S 118.3923685745°E / -33.242852466; 118.3923685745 (Chinocup) | MAL |
| Chinocup Dam Nature Reserve | Ia | 580 | 7 January 2022 | 33°33′05″S 118°20′31″E / 33.551261733°S 118.3419078958°E / -33.551261733; 118.3419078958 (Chinocup Dam) | MAL |
| Chirelillup Nature Reserve | Ia | 64 | 25 February 1910 | 33°58′00″S 118°06′29″E / 33.9666935945°S 118.1079324519°E / -33.9666935945; 118.1079324519 (Chirelillup) | MAL |
| Chittering Lakes Nature Reserve | Ia | 322 | 11 December 1968 | 31°25′35″S 116°05′23″E / 31.426306264°S 116.0896798415°E / -31.426306264; 116.0896798415 (Chittering Lakes) | JAF |
| Chorkerup Nature Reserve | Ia | 48 | 26 August 2004 | 34°47′25″S 117°41′11″E / 34.7903415891°S 117.686265509°E / -34.7903415891; 117.686265509 (Chorkerup) | JAF |
| Clackline Nature Reserve | Ia | 703 | 21 December 1973 | 31°42′11″S 116°29′26″E / 31.703081094°S 116.4905215308°E / -31.703081094; 116.4905215308 (Clackline) | JAF |
| Claypit Nature Reserve | Ia | 91 | 6 September 1912 | 32°47′45″S 117°26′05″E / 32.795781204°S 117.434859982°E / -32.795781204; 117.434859982 (Claypit) | AVW |
| Clear and Muddy Lakes Nature Reserve | Ia | 1,926 | 25 January 1901 | 30°25′16″S 120°50′45″E / 30.4211682895°S 120.8458913134°E / -30.4211682895; 120.8458913134 (Clear and Muddy Lakes) | COO |
| Clyde Hill Nature Reserve | Ia | 1,671 | 18 November 1983 | 33°21′05″S 122°58′57″E / 33.3514782855°S 122.9825734596°E / -33.3514782855; 122.9825734596 (Clyde Hill) | MAL |
| Cobertup Nature Reserve | Ia | 151 | 5 April 1963 | 34°27′18″S 116°49′56″E / 34.4551001675°S 116.8320875768°E / -34.4551001675; 116.8320875768 (Cobertup) | JAF |
| Coblinine Nature Reserve | Ia | 4,167 | 4 September 1908 | 33°24′50″S 117°45′45″E / 33.4137691029°S 117.762445809°E / -33.4137691029; 117.762445809 (Coblinine) | AVW |
| Commodine Nature Reserve | Ia | 145 | 7 July 1933 | 32°47′15″S 117°18′25″E / 32.7874023294°S 117.306880873°E / -32.7874023294; 117.306880873 (Commodine) | AVW |
| Concaring Nature Reserve | Ia | 85 | 13 June 1932 | 33°06′20″S 117°34′27″E / 33.1054572481°S 117.574044399°E / -33.1054572481; 117.574044399 (Concaring) | AVW |
| Condarnin Rock Nature Reserve | Ia | 259 | 27 June 1969 | 31°19′11″S 119°40′18″E / 31.3196451485°S 119.6716671104°E / -31.3196451485; 119.6716671104 (Condarnin Rock) | COO |
| Cookinbin Nature Reserve | Ia | 377 | 15 September 1972 | 31°00′47″S 118°14′03″E / 31.0131738187°S 118.2340728345°E / -31.0131738187; 118.2340728345 (Cookinbin) | AVW |
| Coolinup Nature Reserve | Ia | 216 | 18 December 1964 | 33°43′51″S 122°18′21″E / 33.730745647°S 122.3058568112°E / -33.730745647; 122.3058568112 (Coolinup) | ESP |
| Coomallo Nature Reserve | Ia | 8,807 | 15 November 1991 | 30°12′59″S 115°19′32″E / 30.216414656°S 115.3255109216°E / -30.216414656; 115.3255109216 (Coomallo) | GES |
| Coomelberrup Nature Reserve | Ia | 92 | 13 January 1922 | 33°24′15″S 117°47′00″E / 33.4042965645°S 117.7833161815°E / -33.4042965645; 117.7833161815 (Coomelberrup) | AVW |
| Cootayerup Nature Reserve | Ia | 40 | 16 July 1915 | 34°11′46″S 116°53′14″E / 34.196020849°S 116.8871435385°E / -34.196020849; 116.8871435385 (Cootayerup) | JAF |
| Copley Dale Nature Reserve | Ia | 5 | 5 May 1961 | 31°41′03″S 116°09′13″E / 31.684257449°S 116.1535519676°E / -31.684257449; 116.1535519676 (Copley Dale) | JAF |
| Corackerup Nature Reserve | Ia | 4,334 | 17 May 1963 | 34°11′47″S 118°39′49″E / 34.1964267115°S 118.6636683849°E / -34.1964267115; 118.6636683849 (Corackerup) | ESP |
| Corneecup Nature Reserve | Ia | 1,952 | 9 November 1956 | 33°40′48″S 118°16′35″E / 33.680025692°S 118.2763306671°E / -33.680025692; 118.2763306671 (Corneecup) | MAL |
| Coulomb Point Nature Reserve | Ia | 28,676 | 26 September 1969 | 17°17′43″S 122°16′52″E / 17.2952532085°S 122.2809857893°E / -17.2952532085; 122.2809857893 (Coulomb Point) | DAL |
| Cowerup Nature Reserve | Ia | 270 | 11 July 1975 | 34°24′56″S 116°40′53″E / 34.4155312935°S 116.6814917529°E / -34.4155312935; 116.6814917529 (Cowerup) | JAF |
| Coyrecup Nature Reserve | Ia | 1,147 | 28 April 1967 | 33°42′32″S 117°50′03″E / 33.7088417441°S 117.8342197735°E / -33.7088417441; 117.8342197735 (Coyrecup) | AVW, MAL |
| Craig Nature Reserve | Ia | 11 | 25 June 1971 | 31°46′01″S 117°44′18″E / 31.7668182895°S 117.7383837335°E / -31.7668182895; 117.7383837335 (Craig) | AVW |
| Crampton Nature Reserve | Ia | 37 | 6 July 1956 | 33°01′23″S 115°44′26″E / 33.0230751915°S 115.74050406°E / -33.0230751915; 115.74050406 (Crampton) | SWA |
| Creery Island Nature Reserve | Ia | 74 | 20 December 1963 | 32°33′50″S 115°43′37″E / 32.5640040805°S 115.7269072856°E / -32.5640040805; 115.7269072856 (Creery Island) | SWA |
| Cronin Nature Reserve | Ia | 263 | 18 March 1932 | 33°12′32″S 117°40′19″E / 33.20893639°S 117.6718461025°E / -33.20893639; 117.6718461025 (Cronin) | AVW |
| Crooks Nature Reserve | Ia | 585 | 15 June 1973 | 32°50′12″S 118°44′40″E / 32.8367517037°S 118.744495431°E / -32.8367517037; 118.744495431 (Crooks) | MAL |
| Culbin Nature Reserve | Ia | 45 | 21 September 1990 | 33°10′05″S 116°50′24″E / 33.167921253°S 116.8401382324°E / -33.167921253; 116.8401382324 (Culbin) | JAF |
| Cullen Nature Reserve | Ia | 1 | 28 January 1972 | 31°52′52″S 116°33′47″E / 31.881117884°S 116.5629828345°E / -31.881117884; 116.5629828345 (Cullen) | JAF |
| Cutubury Nature Reserve | Ia | 15 | 6 October 1967 | 28°45′22″S 114°43′02″E / 28.756005334°S 114.717228339°E / -28.756005334; 114.717228339 (Cutubury) | GES |
| Dalyup Nature Reserve | Ia | 57 | 23 September 1927 | 33°42′54″S 121°35′04″E / 33.715129068°S 121.5843697168°E / -33.715129068; 121.5843697168 (Dalyup) | ESP |
| Damboring Nature Reserve | Ia | 667 | 15 July 1983 | 30°31′32″S 116°41′37″E / 30.5256774241°S 116.693599411°E / -30.5256774241; 116.693599411 (Damboring) | AVW |
| Damnosa Nature Reserve | Ia | 47 | 20 April 1956 | 33°05′00″S 119°39′57″E / 33.0834600495°S 119.6659707448°E / -33.0834600495; 119.6659707448 (Damnosa) | MAL |
| Dangin Nature Reserve | Ia | 4 | 24 June 1927 | 32°00′29″S 117°18′48″E / 32.0080811055°S 117.3134537739°E / -32.0080811055; 117.3134537739 (Dangin) | AVW |
| Danjinning Nature Reserve | Ia | 405 | 17 November 1978 | 30°36′36″S 118°04′07″E / 30.6099957043°S 118.0686516905°E / -30.6099957043; 118.0686516905 (Danjinning) | AVW |
| Dattening Nature Reserve | Ia | 23 | 30 June 1967 | 32°32′14″S 116°52′48″E / 32.537328718°S 116.8800152956°E / -32.537328718; 116.8800152956 (Dattening) | AVW |
| De La Poer Range Nature Reserve | Ia | 74,935 | 13 September 1991 | 27°24′08″S 122°42′19″E / 27.4022709215°S 122.705171018°E / -27.4022709215; 122.705171018 (De La Poer Range) | GVD, MUR |
| Dead Mans Swamp Nature Reserve | Ia | 125 | 27 March 1908 | 33°30′16″S 116°57′23″E / 33.504345452°S 116.9564208958°E / -33.504345452; 116.9564208958 (Dead Mans Swamp) | JAF |
| Depot Hill Nature Reserve | Ia | 63 | 4 March 1966 | 29°45′33″S 115°22′45″E / 29.7590984449°S 115.379105765°E / -29.7590984449; 115.379105765 (Depot Hill) | GES |
| Derdibin Rock Nature Reserve | Ia | 133 | 4 March 1977 | 31°20′37″S 117°21′07″E / 31.343596656°S 117.3518348546°E / -31.343596656; 117.3518348546 (Derdibin Rock) | AVW |
| Dingerlin Nature Reserve | Ia | 63 | 20 February 1914 | 32°53′22″S 117°36′32″E / 32.8895093675°S 117.6090213588°E / -32.8895093675; 117.6090213588 (Dingerlin) | AVW |
| Dingo Rock Nature Reserve | Ia | 63 | 16 June 1911 | 30°51′43″S 116°58′20″E / 30.861840319°S 116.9722566757°E / -30.861840319; 116.9722566757 (Dingo Rock) | AVW |
| Dingo Well Nature Reserve | Ia | 131 | 12 December 1913 | 31°13′44″S 117°16′44″E / 31.228757454°S 117.2789460456°E / -31.228757454; 117.2789460456 (Dingo Well) | AVW |
| Dongara Nature Reserve | Ia | 52 | 19 September 1952 | 29°13′42″S 114°55′03″E / 29.2283742865°S 114.9175200153°E / -29.2283742865; 114.9175200153 (Dongara) | GES |
| Dongolocking Nature Reserve | Ia | 2,535 | 18 March 1932 | 33°10′01″S 117°38′40″E / 33.166869172°S 117.6443513772°E / -33.166869172; 117.6443513772 (Dongolocking) | AVW |
| Donnelly River Nature Reserve | Ia | 57 | 12 February 1932 | 34°12′34″S 115°56′47″E / 34.2095336°S 115.9462893364°E / -34.2095336; 115.9462893364 (Donnelly River) | WAR |
| Donnybrook Boyup Brook Road Nature Reserve | Ia | 2 | 19 January 1912 | 33°43′57″S 116°18′40″E / 33.7323831963°S 116.310976478°E / -33.7323831963; 116.310976478 (Donnybrook Boyup Brook Road) | JAF |
| Dookanooka Nature Reserve | Ia | 300 | 16 June 1911 | 29°35′32″S 115°38′14″E / 29.592208036°S 115.6372737907°E / -29.592208036; 115.6372737907 (Dookanooka) | AVW, GES |
| Dordie Rocks Nature Reserve | II | 120 | 17 January 1896 | 31°35′28″S 121°35′57″E / 31.591014728°S 121.5992317285°E / -31.591014728; 121.5992317285 (Dordie Rocks) | COO |
| Doubtful Islands Nature Reserve | Ia | 130 | 6 June 1952 | 34°22′32″S 119°36′23″E / 34.3755040718°S 119.6062607235°E / -34.3755040718; 119.6062607235 (Doubtful Islands) | ESP |
| Doutha Soak Nature Reserve | Ia | 17 | 6 March 1931 | 28°54′07″S 116°03′52″E / 28.9020179345°S 116.0643760895°E / -28.9020179345; 116.0643760895 (Doutha Soak) | AVW |
| Dowak Nature Reserve | Ia | 81 | 24 April 1980 | 32°53′21″S 121°35′56″E / 32.8891455201°S 121.598750156°E / -32.8891455201; 121.598750156 (Dowak) | MAL |
| Down Road Nature Reserve | Ia | 777 | 7 October 1932 | 34°57′39″S 117°45′04″E / 34.96072204°S 117.7512335085°E / -34.96072204; 117.7512335085 (Down Road) | JAF |
| Dragon Rocks Nature Reserve | Ia | 32,204 | 22 June 1979 | 32°47′16″S 119°00′24″E / 32.787802075°S 119.0066452422°E / -32.787802075; 119.0066452422 (Dragon Rocks) | MAL |
| Dragon Tree Soak Nature Reserve | Ia | 17,729 | 30 March 1979 | 19°41′25″S 123°20′35″E / 19.6902848485°S 123.3429712605°E / -19.6902848485; 123.3429712605 (Dragon Tree Soak) | GSD |
| Drummond Nature Reserve | Ia | 439 | 24 August 1993 | 31°18′58″S 116°24′23″E / 31.316014038°S 116.4062516841°E / -31.316014038; 116.4062516841 (Drummond) | JAF |
| Dukin Nature Reserve | Ia | 333 | 22 February 1918 | 30°57′08″S 117°24′47″E / 30.9521550955°S 117.412942937°E / -30.9521550955; 117.412942937 (Dukin) | AVW |
| Duladgin Nature Reserve | Ia | 1,560 | 19 January 1893 | 31°10′15″S 119°40′01″E / 31.1707741885°S 119.6668283304°E / -31.1707741885; 119.6668283304 (Duladgin) | COO |
| Dulbelling Nature Reserve | Ia | 53 | 25 October 1907 | 32°05′35″S 117°14′20″E / 32.0931453775°S 117.2388105363°E / -32.0931453775; 117.2388105363 (Dulbelling) | AVW |
| Dulbining Nature Reserve | Ia | 588 | 17 March 1905 | 32°54′13″S 117°37′16″E / 32.9035703505°S 117.6211324322°E / -32.9035703505; 117.6211324322 (Dulbining) | AVW |
| Dumbleyung Lake Nature Reserve | Ia | 4,208 | 15 March 1963 | 33°22′40″S 117°38′47″E / 33.377837436°S 117.6463761816°E / -33.377837436; 117.6463761816 (Dumbleyung Lake) | AVW |
| Dundas Nature Reserve | Ia | 780,883 | 13 February 1981 | 32°24′18″S 122°43′26″E / 32.405002606°S 122.7237685543°E / -32.405002606; 122.7237685543 (Dundas) | COO, MAL |
| Dundas Road Nature Reserve | Ia | 1 | 18 December 2017 | 31°59′02″S 115°59′13″E / 31.9838162615°S 115.9870095888°E / -31.9838162615; 115.9870095888 (Dundas Road) | SWA |
| Dunn Rock Nature Reserve | Ia | 27,349 | 18 January 1980 | 33°19′35″S 119°28′45″E / 33.326259338°S 119.4792012485°E / -33.326259338; 119.4792012485 (Dunn Rock) | ESP, MAL |
| Durokoppin Nature Reserve | Ia | 1,030 | 29 April 1949 | 31°24′35″S 117°45′49″E / 31.4097155129°S 117.7635737405°E / -31.4097155129; 117.7635737405 (Durokoppin) | AVW |
| East Collanilling Nature Reserve | Ia | 158 | 18 March 1932 | 33°09′33″S 117°37′33″E / 33.1592536485°S 117.6258216069°E / -33.1592536485; 117.6258216069 (East Collanilling) | AVW |
| East Latham Nature Reserve | Ia | 121 | 21 February 1913 | 29°46′06″S 116°34′49″E / 29.7682317565°S 116.5802844944°E / -29.7682317565; 116.5802844944 (East Latham) | AVW |
| East Naernup Nature Reserve | Ia | 825 | 2 February 1973 | 33°40′03″S 120°47′10″E / 33.667501257°S 120.7861138917°E / -33.667501257; 120.7861138917 (East Naernup) | ESP |
| East Nugadong Nature Reserve | Ia | 781 | 21 February 1930 | 30°11′46″S 116°53′39″E / 30.1961727585°S 116.894158755°E / -30.1961727585; 116.894158755 (East Nugadong) | AVW |
| East Wallambin Nature Reserve | Ia | 40 | 17 July 1914 | 30°58′44″S 117°44′08″E / 30.9790013431°S 117.7356009535°E / -30.9790013431; 117.7356009535 (East Wallambin) | AVW |
| East Yorkrakine Nature Reserve | Ia | 78 | 19 May 1950 | 31°22′54″S 117°39′49″E / 31.3815318715°S 117.6635809922°E / -31.3815318715; 117.6635809922 (East Yorkrakine) | AVW |
| East Yornaning Nature Reserve | Ia | 248 | 24 July 1925 | 32°44′49″S 117°22′13″E / 32.7469789785°S 117.3702002304°E / -32.7469789785; 117.3702002304 (East Yornaning) | AVW |
| East Yuna Nature Reserve | Ia | 1,739 | 5 July 1968 | 28°25′46″S 115°12′32″E / 28.4295502845°S 115.2089987329°E / -28.4295502845; 115.2089987329 (East Yuna) | GES |
| Eastbrook Nature Reserve | Ia | 43 | 6 November 1964 | 34°24′41″S 116°05′59″E / 34.411478083°S 116.0997613068°E / -34.411478083; 116.0997613068 (Eastbrook) | WAR |
| Eaton Nature Reserve | Ia | 44 | 15 June 1923 | 31°22′14″S 117°00′23″E / 31.370691057°S 117.0062744057°E / -31.370691057; 117.0062744057 (Eaton) | AVW |
| Eclipse Island Nature Reserve | Ia | 99 | 1 December 2000 | 35°10′54″S 117°53′05″E / 35.181637816°S 117.8845964865°E / -35.181637816; 117.8845964865 (Eclipse Island) | WAR |
| Elashgin Nature Reserve | Ia | 259 | 25 October 1907 | 31°19′59″S 117°26′41″E / 31.333039627°S 117.4446339801°E / -31.333039627; 117.4446339801 (Elashgin) | AVW |
| Ellen Brook Nature Reserve | Ia | 80 | 30 September 1966 | 31°45′12″S 116°02′02″E / 31.7533084426°S 116.0339926685°E / -31.7533084426; 116.0339926685 (Ellen Brook) | SWA |
| Elliot Nature Reserve | Ia | 45 | 12 April 1918 | 31°06′27″S 117°33′32″E / 31.1074052996°S 117.5588173865°E / -31.1074052996; 117.5588173865 (Elliot) | AVW |
| Elphin Nature Reserve | Ia | 198 | 2 December 1960 | 30°51′40″S 116°41′08″E / 30.861025326°S 116.685646033°E / -30.861025326; 116.685646033 (Elphin) | AVW |
| Emu Hill Nature Reserve | Ia | 76 | 11 July 1958 | 32°06′30″S 118°22′07″E / 32.108459556°S 118.3686451694°E / -32.108459556; 118.3686451694 (Emu Hill) | AVW |
| Eneminga Nature Reserve | Ia | 741 | 31 December 1964 | 30°48′54″S 115°31′18″E / 30.8150217747°S 115.521614849°E / -30.8150217747; 115.521614849 (Eneminga) | GES, SWA |
| Eradu Nature Reserve | Ia | 63 | 15 September 1892 | 28°43′24″S 115°02′29″E / 28.7234666617°S 115.0414149575°E / -28.7234666617; 115.0414149575 (Eradu) | GES |
| Erangy Spring Nature Reserve | Ia | 61 | 14 August 1981 | 28°51′14″S 115°15′34″E / 28.85386088°S 115.2595295861°E / -28.85386088; 115.2595295861 (Erangy Spring) | GES |
| Errina Road Nature Reserve | Ia | 11 | 29 November 2018 | 31°49′38″S 115°51′32″E / 31.8271707075°S 115.8588683364°E / -31.8271707075; 115.8588683364 (Errina Road) | SWA |
| Escape Island Nature Reserve | Ia | 27 | 1 December 2000 | 30°20′00″S 114°59′06″E / 30.3333962695°S 114.9849051433°E / -30.3333962695; 114.9849051433 (Escape Island) | SWA |
| Falls Brook Nature Reserve | Ia | 374 | 21 May 1948 | 33°04′10″S 115°59′45″E / 33.069565064°S 115.9957575596°E / -33.069565064; 115.9957575596 (Falls Brook) | JAF |
| Faunadale Nature Reserve | Ia | 85 | 20 November 1914 | 34°13′42″S 116°06′53″E / 34.2284100821°S 116.1147213415°E / -34.2284100821; 116.1147213415 (Faunadale) | JAF, WAR |
| Fields Nature Reserve | Ia | 1,179 | 2 February 1973 | 33°27′31″S 121°13′53″E / 33.4587181152°S 121.23129378°E / -33.4587181152; 121.23129378 (Fields) | MAL |
| Fish Road Nature Reserve | Ia | 23 | 19 October 1951 | 33°43′53″S 115°23′22″E / 33.7315125422°S 115.3894537175°E / -33.7315125422; 115.3894537175 (Fish Road) | SWA |
| Flagstaff Nature Reserve | Ia | 424 | 4 June 1965 | 33°29′30″S 117°16′13″E / 33.4916175293°S 117.270202259°E / -33.4916175293; 117.270202259 (Flagstaff) | AVW |
| Flat Rock Nature Reserve | Ia | 1,468 | 17 December 1965 | 32°39′46″S 118°52′17″E / 32.6627875857°S 118.87136671°E / -32.6627875857; 118.87136671 (Flat Rock) | MAL |
| Flat Rock Gully Nature Reserve | Ia | 386 | 1 December 1939 | 31°23′48″S 116°24′46″E / 31.3967871437°S 116.412762045°E / -31.3967871437; 116.412762045 (Flat Rock Gully) | JAF |
| Flinders Bay Nature Reserve | Ia | 3 | 11 April 1986 | 34°24′52″S 115°12′22″E / 34.4143964995°S 115.205983869°E / -34.4143964995; 115.205983869 (Flinders Bay) | WAR |
| Flowery Patch Nature Reserve | Ia | 20 | 2 May 1882 | 31°28′05″S 117°18′57″E / 31.468030449°S 117.3159096665°E / -31.468030449; 117.3159096665 (Flowery Patch) | AVW |
| Folly Nature Reserve | Ia | 8 | 19 February 1915 | 31°17′33″S 117°30′36″E / 31.2925331384°S 117.510067943°E / -31.2925331384; 117.510067943 (Folly) | AVW |
| Formby Nature Reserve | Ia | 38 | 16 September 1904 | 34°18′01″S 118°04′17″E / 34.3002521375°S 118.0713448071°E / -34.3002521375; 118.0713448071 (Formby) | ESP |
| Forrestdale Lake Nature Reserve | Ia | 246 | 16 August 1957 | 32°09′32″S 115°56′14″E / 32.158792094°S 115.9370875904°E / -32.158792094; 115.9370875904 (Forrestdale Lake) | SWA |
| Fourteen Mile Brook Nature Reserve | Ia | 45 | 1 April 1938 | 32°49′54″S 117°05′46″E / 32.8317201105°S 117.0961331007°E / -32.8317201105; 117.0961331007 (Fourteen Mile Brook) | AVW |
| Fowler Gully Nature Reserve | Ia | 230 | 23 April 1993 | 30°51′36″S 116°37′42″E / 30.859917487°S 116.6284393429°E / -30.859917487; 116.6284393429 (Fowler Gully) | AVW |
| Freycinet, Double Islands etc Nature Reserve | Ia | 205 | 28 July 1961 | 26°32′20″S 113°46′05″E / 26.5388852779°S 113.768053338°E / -26.5388852779; 113.768053338 (Freycinet, Double Islands etc) | CAR, YAL |
| Frog Rock Nature Reserve | Ia | 1,438 | 11 October 1929 | 31°28′50″S 119°13′49″E / 31.4806912568°S 119.230208761°E / -31.4806912568; 119.230208761 (Frog Rock) | AVW |
| Gabbin Nature Reserve | Ia | 83 | 5 April 1917 | 30°47′29″S 117°40′49″E / 30.7912939332°S 117.680391027°E / -30.7912939332; 117.680391027 (Gabbin) | AVW |
| Gabwotting Nature Reserve | Ia | 16 | 27 October 1911 | 31°10′13″S 117°29′46″E / 31.1702331155°S 117.4961266782°E / -31.1702331155; 117.4961266782 (Gabwotting) | AVW |
| Gagarlagu Nature Reserve | Ia | 15,702 | 4 January 2021 | 28°36′54″S 118°08′40″E / 28.6151227992°S 118.1445273775°E / -28.6151227992; 118.1445273775 (Gagarlagu) | MUR |
| Galamup Nature Reserve | Ia | 222 | 24 February 1899 | 34°26′31″S 116°46′16″E / 34.4418127095°S 116.7711461706°E / -34.4418127095; 116.7711461706 (Galamup) | JAF |
| Galena Nature Reserve | Ia | 217 | 20 December 1963 | 27°52′29″S 114°42′52″E / 27.8748369925°S 114.714342265°E / -27.8748369925; 114.714342265 (Galena) | GES |
| Gathercole Nature Reserve | Ia | 142 | 9 May 1930 | 30°54′46″S 116°47′49″E / 30.9126880245°S 116.7968658442°E / -30.9126880245; 116.7968658442 (Gathercole) | AVW |
| Geekabee Hill Nature Reserve | Ia | 4 | 2 July 1971 | 34°18′44″S 117°23′47″E / 34.3121602255°S 117.3963933933°E / -34.3121602255; 117.3963933933 (Geekabee Hill) | JAF |
| Geeraning Nature Reserve | Ia | 677 | 30 November 1951 | 30°31′44″S 118°36′01″E / 30.5288709368°S 118.6001852565°E / -30.5288709368; 118.6001852565 (Geeraning) | COO |
| Gibbs Road Nature Reserve | Ia | 9 | 10 August 2006 | 32°09′08″S 115°54′57″E / 32.1522178031°S 115.915786712°E / -32.1522178031; 115.915786712 (Gibbs Road) | SWA |
| Gibson Desert Nature Reserve | Ia | 1,842,864 | 22 April 1977 | 24°54′56″S 125°30′05″E / 24.915585662°S 125.5013275134°E / -24.915585662; 125.5013275134 (Gibson Desert) | GID |
| Gill Nature Reserve | Ia | 40 | 3 February 1998 | 34°31′43″S 117°24′40″E / 34.5286976955°S 117.4111571443°E / -34.5286976955; 117.4111571443 (Gill) | JAF |
| Gillingarra Nature Reserve | Ia | 105 | 20 July 1893 | 30°56′33″S 116°02′28″E / 30.9426302175°S 116.0410854294°E / -30.9426302175; 116.0410854294 (Gillingarra) | JAF |
| Gingilup Swamps Nature Reserve | Ia | 4,326 | 30 October 1970 | 34°19′55″S 115°28′16″E / 34.3318816675°S 115.4709878179°E / -34.3318816675; 115.4709878179 (Gingilup Swamps) | WAR |
| Gingin Stock Route Nature Reserve | Ia | 50 | 15 July 1977 | 31°19′46″S 115°37′07″E / 31.3294233341°S 115.618631048°E / -31.3294233341; 115.618631048 (Gingin Stock Route) | SWA |
| Glasse Island Nature Reserve | Ia | 4 | 30 March 1973 | 34°25′19″S 119°24′42″E / 34.4219989605°S 119.4116620522°E / -34.4219989605; 119.4116620522 (Glasse Island) | ESP |
| Gledhow Nature Reserve | Ia | 4 | 11 March 1898 | 35°00′37″S 117°50′03″E / 35.0103511085°S 117.8340319243°E / -35.0103511085; 117.8340319243 (Gledhow) | JAF |
| Glenluce Nature Reserve | Ia | 244 | 4 May 1962 | 31°47′55″S 117°40′32″E / 31.7986737876°S 117.67547072°E / -31.7986737876; 117.67547072 (Glenluce) | AVW |
| Gnandaroo Island Nature Reserve | Ia | 3 | 27 March 1975 | 21°57′24″S 114°31′19″E / 21.9566776345°S 114.5220020572°E / -21.9566776345; 114.5220020572 (Gnandaroo Island) | CAR |
| Gnarkaryelling Nature Reserve | Ia | 17 | 12 May 1905 | 33°16′03″S 117°33′46″E / 33.2674168884°S 117.5628093105°E / -33.2674168884; 117.5628093105 (Gnarkaryelling) | AVW |
| Goegrup Lake Nature Reserve | Ia | 320 | 20 July 1962 | 32°31′08″S 115°46′54″E / 32.5189445354°S 115.7816664725°E / -32.5189445354; 115.7816664725 (Goegrup Lake) | SWA |
| Goodenough Nature Reserve | Ia | 71 | 1 September 1899 | 32°29′21″S 117°06′48″E / 32.4890623407°S 117.1133509455°E / -32.4890623407; 117.1133509455 (Goodenough) | AVW |
| Goodlands Nature Reserve | Ia | 1,349 | 4 June 1965 | 29°59′19″S 117°22′47″E / 29.988707136°S 117.3797941063°E / -29.988707136; 117.3797941063 (Goodlands) | AVW |
| Gorge Rock Nature Reserve | Ia | 28 | 1 June 1917 | 32°27′31″S 118°00′25″E / 32.4586453095°S 118.0068324973°E / -32.4586453095; 118.0068324973 (Gorge Rock) | MAL |
| Granite Hill Nature Reserve | Ia | 127 | 3 June 1988 | 34°42′21″S 118°03′03″E / 34.7058332535°S 118.0509659251°E / -34.7058332535; 118.0509659251 (Granite Hill) | JAF |
| Great Victoria Desert Nature Reserve | Ia | 2,417,201 | 21 August 1970 | 29°39′12″S 128°10′34″E / 29.653410319°S 128.1759815078°E / -29.653410319; 128.1759815078 (Great Victoria Desert) | GVD, NUL |
| Greaves Road Nature Reserve | Ia | 251 | 5 September 1919 | 34°16′54″S 118°31′01″E / 34.281650259°S 118.517039827°E / -34.281650259; 118.517039827 (Greaves Road) | ESP |
| Green Island Nature Reserve | Ia | 2 | 6 September 1957 | 34°59′09″S 117°57′07″E / 34.9858047615°S 117.95198345°E / -34.9858047615; 117.95198345 (Green Island) | JAF |
| Greenbushes Nature Reserve | Ia | 399 | 8 December 2004 | 33°50′29″S 115°56′37″E / 33.8414762502°S 115.9436747395°E / -33.8414762502; 115.9436747395 (Greenbushes) | JAF |
| Griffiths Nature Reserve | Ia | 5,418 | 16 October 1970 | 33°20′19″S 121°02′10″E / 33.33859701°S 121.0361909926°E / -33.33859701; 121.0361909926 (Griffiths) | MAL |
| Gundaring Nature Reserve | Ia | 127 | 28 February 1908 | 31°51′06″S 117°37′31″E / 31.851753152°S 117.6251476722°E / -31.851753152; 117.6251476722 (Gundaring) | AVW |
| Gundaring Lake Nature Reserve | Ia | 316 | 24 February 1955 | 33°17′52″S 117°29′35″E / 33.297730729°S 117.4931859416°E / -33.297730729; 117.4931859416 (Gundaring Lake) | AVW |
| Gunyidi Nature Reserve | Ia | 121 | 19 September 1952 | 30°10′59″S 116°02′19″E / 30.1830765403°S 116.0386879295°E / -30.1830765403; 116.0386879295 (Gunyidi) | GES |
| Gwalia Nature Reserve | Ia | 968 | 28 July 2021 | 33°08′51″S 115°46′30″E / 33.1473979375°S 115.774971087°E / -33.1473979375; 115.774971087 (Gwalia) | SWA |
| Haag Nature Reserve | Ia | 9 | 16 January 1981 | 33°42′57″S 115°07′48″E / 33.7157689345°S 115.1300650945°E / -33.7157689345; 115.1300650945 (Haag) | SWA |
| Haddleton Nature Reserve | Ia | 1,161 | 30 March 1973 | 33°35′48″S 116°36′54″E / 33.5965407556°S 116.61496332°E / -33.5965407556; 116.61496332 (Haddleton) | JAF |
| Haddleton Springs Nature Reserve | Ia | 40 | 25 May 1928 | 33°37′17″S 116°35′01″E / 33.6213161731°S 116.5834769525°E / -33.6213161731; 116.5834769525 (Haddleton Springs) | JAF |
| Hamelin Island Nature Reserve | Ia | 9 | 1 November 1991 | 34°13′21″S 115°00′55″E / 34.2225076245°S 115.0153314021°E / -34.2225076245; 115.0153314021 (Hamelin Island) | WAR |
| Harris Nature Reserve | Ia | 3,605 | 28 June 1974 | 32°49′37″S 118°48′56″E / 32.8270759325°S 118.815546762°E / -32.8270759325; 118.815546762 (Harris) | MAL |
| Harrismith Nature Reserve | Ia | 40 | 12 June 1914 | 32°56′42″S 117°55′31″E / 32.945132466°S 117.9253194178°E / -32.945132466; 117.9253194178 (Harrismith) | AVW |
| Harry Waring Marsupial Reserve Nature Reserve | Ia | 231 | 26 July 1968 | 32°10′00″S 115°49′58″E / 32.166767466°S 115.83290189°E / -32.166767466; 115.83290189 (Harry Waring Marsupial Reserve) | SWA |
| Harvey Flats Nature Reserve | Ia | 79 | 23 April 1909 | 32°58′02″S 115°48′54″E / 32.9671276265°S 115.8150048511°E / -32.9671276265; 115.8150048511 (Harvey Flats) | SWA |
| Hayes Nature Reserve | Ia | 1,309 | 31 May 1968 | 33°17′45″S 120°04′32″E / 33.295917925°S 120.0756035819°E / -33.295917925; 120.0756035819 (Hayes) | ESP, MAL |
| Heathland Nature Reserve | Ia | 669 | 3 May 1963 | 33°06′36″S 118°41′15″E / 33.110096226°S 118.6873990916°E / -33.110096226; 118.6873990916 (Heathland) | MAL |
| Herndermuning Nature Reserve | Ia | 162 | 14 September 1956 | 30°17′31″S 117°46′21″E / 30.29182121°S 117.7723677945°E / -30.29182121; 117.7723677945 (Herndermuning) | AVW |
| Highbury Nature Reserve | Ia | 71 | 15 March 1963 | 33°03′26″S 117°14′39″E / 33.0573005867°S 117.2442443455°E / -33.0573005867; 117.2442443455 (Highbury) | AVW |
| Hill River Nature Reserve | Ia | 883 | 9 November 1979 | 30°18′07″S 115°11′08″E / 30.3018767643°S 115.1854521575°E / -30.3018767643; 115.1854521575 (Hill River) | GES, SWA |
| Hillman Nature Reserve | Ia | 248 | 28 March 1918 | 33°17′48″S 116°46′45″E / 33.2967238057°S 116.7791012395°E / -33.2967238057; 116.7791012395 (Hillman) | JAF |
| Hindmarsh Nature Reserve | Ia | 160 | 6 December 1912 | 31°18′37″S 117°08′05″E / 31.3103210476°S 117.1346974025°E / -31.3103210476; 117.1346974025 (Hindmarsh) | AVW |
| Hines Hill Nature Reserve | Ia | 203 | 24 July 1953 | 31°30′58″S 118°05′12″E / 31.5160993788°S 118.086671463°E / -31.5160993788; 118.086671463 (Hines Hill) | AVW |
| Hobart Road Nature Reserve | Ia | 6 | 18 March 1977 | 33°35′34″S 118°03′22″E / 33.5927785845°S 118.0562486973°E / -33.5927785845; 118.0562486973 (Hobart Road) | MAL |
| Holland Rocks Nature Reserve | Ia | 50 | 15 March 1968 | 33°21′25″S 118°44′47″E / 33.3568098895°S 118.7464495352°E / -33.3568098895; 118.7464495352 (Holland Rocks) | MAL |
| Hopkins Nature Reserve | Ia | 579 | 3 February 1978 | 32°43′48″S 118°16′34″E / 32.7300760425°S 118.2761781408°E / -32.7300760425; 118.2761781408 (Hopkins) | MAL |
| Horne Nature Reserve | Ia | 167 | 18 March 1938 | 32°27′59″S 117°06′42″E / 32.4664140995°S 117.1116874156°E / -32.4664140995; 117.1116874156 (Horne) | AVW |
| Hotham River Nature Reserve | Ia | 148 | 13 June 1902 | 32°36′41″S 117°05′44″E / 32.611282103°S 117.0956407979°E / -32.611282103; 117.0956407979 (Hotham River) | AVW |
| Howatharra Nature Reserve | Ia | 71 | 5 June 1987 | 28°32′39″S 114°39′37″E / 28.5442366445°S 114.6602920572°E / -28.5442366445; 114.6602920572 (Howatharra) | GES |
| Hurdle Creek Nature Reserve | Ia | 275 | 26 April 1929 | 33°06′38″S 117°43′19″E / 33.110521723°S 117.7220350486°E / -33.110521723; 117.7220350486 (Hurdle Creek) | AVW |
| Ibis Lake Nature Reserve | Ia | 27 | 17 March 1905 | 32°59′16″S 117°32′36″E / 32.9878848428°S 117.543265067°E / -32.9878848428; 117.543265067 (Ibis Lake) | AVW |
| Indarra Spring Nature Reserve | Ia | 2,916 | 20 September 1991 | 28°42′44″S 115°21′20″E / 28.7123150672°S 115.3555475405°E / -28.7123150672; 115.3555475405 (Indarra Spring) | GES |
| Inkpen Road Nature Reserve | Ia | 263 | 31 August 1999 | 31°49′33″S 116°25′51″E / 31.825743259°S 116.4307207172°E / -31.825743259; 116.4307207172 (Inkpen Road) | JAF |
| Investigator Island Nature Reserve | Ia | 41 | 11 May 1979 | 34°04′56″S 120°51′52″E / 34.0821370145°S 120.864577314°E / -34.0821370145; 120.864577314 (Investigator Island) | [1] |
| Jackson Nature Reserve | Ia | 910 | 18 February 1977 | 32°49′17″S 119°45′47″E / 32.8214049295°S 119.7629366019°E / -32.8214049295; 119.7629366019 (Jackson) | MAL |
| Jaloran Nature Reserve | Ia | 63 | 18 March 1932 | 33°08′17″S 117°28′26″E / 33.138140111°S 117.473948885°E / -33.138140111; 117.473948885 (Jaloran) | AVW |
| Jam Hill Nature Reserve | Ia | 183 | 20 February 1959 | 30°41′07″S 115°48′41″E / 30.6853230995°S 115.8114928387°E / -30.6853230995; 115.8114928387 (Jam Hill) | SWA |
| Jandabup Nature Reserve | Ia | 277 | 31 August 1900 | 31°44′37″S 115°50′38″E / 31.7434897059°S 115.843908726°E / -31.7434897059; 115.843908726 (Jandabup) | SWA |
| Jarrkunpungu Nature Reserve | Ia | 1,372 | 4 October 2016 | 19°57′17″S 119°53′38″E / 19.9547729245°S 119.8940197777°E / -19.9547729245; 119.8940197777 (Jarrkunpungu) | DAL |
| Jebarjup Nature Reserve | Ia | 1,016 | 12 January 1962 | 34°17′20″S 117°50′48″E / 34.288910684°S 117.846747053°E / -34.288910684; 117.846747053 (Jebarjup) | AVW, ESP |
| Jeffrey Lagoon Nature Reserve | Ia | 121 | 20 September 1895 | 33°16′42″S 121°41′14″E / 33.2783632335°S 121.6872464688°E / -33.2783632335; 121.6872464688 (Jeffrey Lagoon) | MAL |
| Jerdacuttup Lakes Nature Reserve | Ia | 7,584 | 9 October 1987 | 33°55′25″S 120°21′50″E / 33.9237484455°S 120.3638745101°E / -33.9237484455; 120.3638745101 (Jerdacuttup Lakes) | ESP |
| Jibberding Nature Reserve | Ia | 248 | 10 November 1905 | 29°59′50″S 116°49′26″E / 29.997309366°S 116.8237948217°E / -29.997309366; 116.8237948217 (Jibberding) | AVW |
| Jilbadji Nature Reserve | Ia | 208,866 | 22 October 1954 | 31°51′56″S 119°49′18″E / 31.8655995555°S 119.8215632088°E / -31.8655995555; 119.8215632088 (Jilbadji) | AVW, COO |
| Jingalup Nature Reserve | Ia | 427 | 15 July 1921 | 34°00′14″S 117°00′53″E / 34.0039344445°S 117.0147820099°E / -34.0039344445; 117.0147820099 (Jingalup) | JAF |
| Jingaring Nature Reserve | Ia | 36 | 20 October 1911 | 32°25′41″S 117°21′19″E / 32.42806948°S 117.3553271576°E / -32.42806948; 117.3553271576 (Jingaring) | AVW |
| Jinmarnkur Kulja Nature Reserve | Ia | 1,727 | 23 September 2016 | 19°08′37″S 121°29′09″E / 19.1434881762°S 121.485765953°E / -19.1434881762; 121.485765953 (Jinmarnkur Kulja) | DAL |
| Jitarning Nature Reserve | Ia | 43 | 26 September 1969 | 32°47′04″S 117°59′53″E / 32.7844052025°S 117.9981835544°E / -32.7844052025; 117.9981835544 (Jitarning) | AVW |
| Jocks Well Nature Reserve | Ia | 40 | 8 February 1929 | 30°12′08″S 116°15′41″E / 30.2023302005°S 116.2614949173°E / -30.2023302005; 116.2614949173 (Jocks Well) | GES |
| Johns Well Nature Reserve | Ia | 385 | 23 November 1956 | 33°30′57″S 117°39′34″E / 33.5158060475°S 117.659535869°E / -33.5158060475; 117.659535869 (Johns Well) | AVW |
| Jouerdine Nature Reserve | Ia | 1,117 | 16 January 1981 | 30°37′52″S 118°24′24″E / 30.6311430655°S 118.4065510251°E / -30.6311430655; 118.4065510251 (Jouerdine) | AVW |
| Jura Nature Reserve | Ia | 39 | 19 March 1965 | 31°48′29″S 118°11′25″E / 31.808084529°S 118.1902776896°E / -31.808084529; 118.1902776896 (Jura) | AVW |
| Kadathinni Nature Reserve | Ia | 27 | 8 November 1974 | 29°31′42″S 115°40′35″E / 29.5282795419°S 115.676433585°E / -29.5282795419; 115.676433585 (Kadathinni) | AVW |
| Kalgan Plains Nature Reserve | Ia | 52 | 4 March 1960 | 34°33′22″S 117°55′59″E / 34.5561870605°S 117.9331411757°E / -34.5561870605; 117.9331411757 (Kalgan Plains) | ESP |
| Kambalda Nature Reserve | Ia | 3,683 | 23 May 1975 | 31°09′30″S 121°34′38″E / 31.158454344°S 121.577114561°E / -31.158454344; 121.577114561 (Kambalda) | COO |
| Karamarra Nature Reserve | Ia | 44 | 7 June 1901 | 30°36′54″S 115°55′35″E / 30.6150658832°S 115.9263451295°E / -30.6150658832; 115.9263451295 (Karamarra) | SWA |
| Karlgarin Nature Reserve | Ia | 471 | 24 May 1907 | 32°29′55″S 118°32′55″E / 32.498551674°S 118.5484724245°E / -32.498551674; 118.5484724245 (Karlgarin) | MAL |
| Karloning Nature Reserve | Ia | 64 | 20 November 1953 | 30°38′25″S 118°10′23″E / 30.6402724955°S 118.1730871457°E / -30.6402724955; 118.1730871457 (Karloning) | AVW |
| Karnet Nature Reserve | Ia | 299 | 17 August 1973 | 32°23′45″S 116°00′41″E / 32.3958121005°S 116.0115135702°E / -32.3958121005; 116.0115135702 (Karnet) | JAF |
| Karroun Hill Nature Reserve | Ia | 309,678 | 12 August 1983 | 29°55′29″S 118°15′14″E / 29.9245946045°S 118.2538674565°E / -29.9245946045; 118.2538674565 (Karroun Hill) | AVW, COO, YAL |
| Kathleen Nature Reserve | Ia | 1,191 | 16 August 1929 | 33°01′06″S 119°39′16″E / 33.0184542415°S 119.654353101°E / -33.0184542415; 119.654353101 (Kathleen) | MAL |
| Kau Rock Nature Reserve | Ia | 15,814 | 2 August 1974 | 33°31′28″S 122°22′50″E / 33.5244487408°S 122.3804805575°E / -33.5244487408; 122.3804805575 (Kau Rock) | MAL |
| Keaginine Nature Reserve | Ia | 92 | 23 August 1912 | 31°48′48″S 116°21′41″E / 31.8134387646°S 116.361504167°E / -31.8134387646; 116.361504167 (Keaginine) | JAF |
| Kendall Road Nature Reserve | Ia | 56 | 1 December 1967 | 33°25′52″S 121°45′44″E / 33.4309853225°S 121.7620881765°E / -33.4309853225; 121.7620881765 (Kendall Road) | MAL |
| Kenwick Wetlands Nature Reserve | Ia | 111 | 28 June 2007 | 32°01′33″S 115°58′30″E / 32.0259364825°S 115.9750678535°E / -32.0259364825; 115.9750678535 (Kenwick Wetlands) | SWA |
| King Rock Nature Reserve | Ia | 52 | 16 September 1904 | 33°27′32″S 117°28′35″E / 33.458853806°S 117.4763647145°E / -33.458853806; 117.4763647145 (King Rock) | AVW |
| Kirwan Nature Reserve | Ia | 70 | 21 April 1978 | 30°35′37″S 117°10′05″E / 30.593576499°S 117.1680716545°E / -30.593576499; 117.1680716545 (Kirwan) | AVW |
| Kockatea Nature Reserve | Ia | 48 | 9 September 1938 | 28°41′22″S 115°31′23″E / 28.6894541535°S 115.5230101852°E / -28.6894541535; 115.5230101852 (Kockatea) | GES |
| Kodj Kodjin Nature Reserve | Ia | 204 | 15 September 1950 | 31°27′07″S 117°46′47″E / 31.4519698895°S 117.7798010159°E / -31.4519698895; 117.7798010159 (Kodj Kodjin) | AVW |
| Kodjinup Nature Reserve | Ia | 626 | 5 April 1963 | 34°23′02″S 116°39′40″E / 34.3839836745°S 116.6611852464°E / -34.3839836745; 116.6611852464 (Kodjinup) | JAF |
| Kokerbin Nature Reserve | Ia | 91 | 28 February 1908 | 31°53′12″S 117°42′18″E / 31.88661652°S 117.7048615816°E / -31.88661652; 117.7048615816 (Kokerbin) | AVW |
| Koks Island Nature Reserve | Ia | 3 | 5 March 1976 | 24°44′59″S 113°09′40″E / 24.749794326°S 113.1610800575°E / -24.749794326; 113.1610800575 (Koks Island) | YAL |
| Kondinin Lake Nature Reserve | Ia | 1,688 | 1 March 1946 | 32°29′12″S 118°12′29″E / 32.486786634°S 118.2080738195°E / -32.486786634; 118.2080738195 (Kondinin Lake) | MAL |
| Kondinin Salt Marsh Nature Reserve | Ia | 2,208 | 5 April 1963 | 32°35′03″S 118°23′08″E / 32.584106526°S 118.3855774399°E / -32.584106526; 118.3855774399 (Kondinin Salt Marsh) | MAL |
| Koodjee Nature Reserve | Ia | 127 | 4 September 1931 | 30°53′15″S 116°01′07″E / 30.8875227995°S 116.0184859488°E / -30.8875227995; 116.0184859488 (Koodjee) | JAF, SWA |
| Koolanooka Nature Reserve | Ia | 6 | 10 March 1916 | 29°16′39″S 116°05′41″E / 29.277552925°S 116.0947181014°E / -29.277552925; 116.0947181014 (Koolanooka) | AVW |
| Koolanooka Dam Nature Reserve | Ia | 458 | 6 August 1915 | 29°15′05″S 116°06′43″E / 29.251286612°S 116.112045503°E / -29.251286612; 116.112045503 (Koolanooka Dam) | AVW |
| Koolberin Nature Reserve | Ia | 17 | 17 August 1917 | 32°47′40″S 118°03′23″E / 32.794579734°S 118.0564808914°E / -32.794579734; 118.0564808914 (Koolberin) | MAL |
| Kooljerrenup Nature Reserve | Ia | 1,239 | 12 June 1953 | 32°44′51″S 115°43′36″E / 32.7474415917°S 115.726599311°E / -32.7474415917; 115.726599311 (Kooljerrenup) | SWA |
| Koornong Nature Reserve | Ia | 251 | 7 July 1972 | 33°39′27″S 119°47′14″E / 33.6574306315°S 119.7872251775°E / -33.6574306315; 119.7872251775 (Koornong) | ESP |
| Korbel Nature Reserve | Ia | 70 | 5 January 1990 | 31°39′20″S 118°09′23″E / 31.6556761035°S 118.1563893605°E / -31.6556761035; 118.1563893605 (Korbel) | AVW |
| Kordabup Nature Reserve | Ia | 302 | 8 December 2004 | 34°57′27″S 117°09′35″E / 34.9573911604°S 117.1597565985°E / -34.9573911604; 117.1597565985 (Kordabup) | WAR |
| Korrelocking Nature Reserve | Ia | 259 | 19 June 1884 | 31°10′35″S 117°27′23″E / 31.176486804°S 117.4563271945°E / -31.176486804; 117.4563271945 (Korrelocking) | AVW |
| Kuender Nature Reserve | Ia | 383 | 16 August 1968 | 32°55′38″S 118°32′00″E / 32.9273305645°S 118.5332497571°E / -32.9273305645; 118.5332497571 (Kuender) | MAL |
| Kujungurru Warrarn Nature Reserve | Ia | 2,555 | 28 September 2016 | 19°43′12″S 120°44′57″E / 19.7200425225°S 120.7492559626°E / -19.7200425225; 120.7492559626 (Kujungurru Warrarn) | DAL |
| Kulikup Nature Reserve | Ia | 62 | 2 March 1923 | 33°49′27″S 116°40′05″E / 33.824059857°S 116.6680234903°E / -33.824059857; 116.6680234903 (Kulikup) | JAF |
| Kulin Road Nature Reserve | Ia | 489 | 1 March 1912 | 32°36′01″S 118°05′58″E / 32.6002610646°S 118.0993950575°E / -32.6002610646; 118.0993950575 (Kulin Road) | MAL |
| Kulunilup Nature Reserve | Ia | 612 | 5 April 1963 | 34°20′05″S 116°47′22″E / 34.334606364°S 116.7895342596°E / -34.334606364; 116.7895342596 (Kulunilup) | JAF |
| Kulyaling Nature Reserve | Ia | 17 | 7 February 1986 | 32°27′25″S 117°02′58″E / 32.4568911084°S 117.0493321015°E / -32.4568911084; 117.0493321015 (Kulyaling) | AVW |
| Kundip Nature Reserve | Ia | 2,170 | 24 December 1971 | 33°43′36″S 120°13′34″E / 33.726796148°S 120.2260166488°E / -33.726796148; 120.2260166488 (Kundip) | ESP |
| Kurrawang Nature Reserve | Ia | 636 | 11 August 1978 | 30°50′01″S 121°20′44″E / 30.8334857155°S 121.3454477798°E / -30.8334857155; 121.3454477798 (Kurrawang) | COO |
| Kwolyin Nature Reserve | Ia | 344 | 27 August 1971 | 31°52′23″S 117°47′29″E / 31.8730028965°S 117.7914882245°E / -31.8730028965; 117.7914882245 (Kwolyin) | AVW |
| Kwolyinine Nature Reserve | Ia | 544 | 23 August 1912 | 31°46′48″S 116°24′49″E / 31.7800491225°S 116.4135462665°E / -31.7800491225; 116.4135462665 (Kwolyinine) | JAF |
| Kwornicup Lake Nature Reserve | Ia | 229 | 19 October 1973 | 34°33′07″S 117°25′40″E / 34.5518372464°S 117.427665178°E / -34.5518372464; 117.427665178 (Kwornicup Lake) | JAF |
| Lacepede Islands Nature Reserve | Ia | 180 | 13 July 1900 | 16°51′18″S 122°06′08″E / 16.8550501925°S 122.1022315612°E / -16.8550501925; 122.1022315612 (Lacepede Islands) | DAL |
| Lake Ace Nature Reserve | Ia | 2,392 | 18 February 1977 | 32°59′21″S 119°47′14″E / 32.9890773105°S 119.7871622802°E / -32.9890773105; 119.7871622802 (Lake Ace) | MAL |
| Lake Barnes Road Nature Reserve | Ia | 298 | 22 January 1912 | 34°43′56″S 117°38′37″E / 34.732247613°S 117.6435077554°E / -34.732247613; 117.6435077554 (Lake Barnes Road) | JAF |
| Lake Biddy Nature Reserve | Ia | 51 | 17 December 1920 | 33°01′01″S 118°56′56″E / 33.0169401799°S 118.948873675°E / -33.0169401799; 118.948873675 (Lake Biddy) | MAL |
| Lake Bryde Nature Reserve | Ia | 1,635 | 15 March 1968 | 33°21′57″S 118°54′35″E / 33.3657834615°S 118.9096197365°E / -33.3657834615; 118.9096197365 (Lake Bryde) | MAL |
| Lake Campion Nature Reserve | Ia | 10,840 | 6 September 1957 | 31°08′02″S 118°22′57″E / 31.1338751105°S 118.3823994277°E / -31.1338751105; 118.3823994277 (Lake Campion) | AVW |
| Lake Cronin Nature Reserve | Ia | 1,016 | 29 February 1980 | 32°23′18″S 119°45′52″E / 32.3884458665°S 119.7643214592°E / -32.3884458665; 119.7643214592 (Lake Cronin) | COO |
| Lake Eyrie Nature Reserve | Ia | 40 | 15 July 1898 | 34°46′29″S 117°38′23″E / 34.7746640006°S 117.639813982°E / -34.7746640006; 117.639813982 (Lake Eyrie) | JAF |
| Lake Gounter Nature Reserve | Ia | 3,327 | 20 July 1934 | 32°24′43″S 118°49′31″E / 32.411864653°S 118.8252493153°E / -32.411864653; 118.8252493153 (Lake Gounter) | MAL |
| Lake Hinds Nature Reserve | Ia | 1,235 | 18 October 1918 | 30°46′48″S 116°33′36″E / 30.7799479255°S 116.5599098705°E / -30.7799479255; 116.5599098705 (Lake Hinds) | AVW |
| Lake Hurlstone Nature Reserve | Ia | 5,002 | 8 October 1965 | 32°34′15″S 119°23′51″E / 32.57071464°S 119.3974759038°E / -32.57071464; 119.3974759038 (Lake Hurlstone) | MAL |
| Lake Janet Nature Reserve | Ia | 32 | 15 March 1968 | 33°20′59″S 118°47′50″E / 33.3498431316°S 118.797216723°E / -33.3498431316; 118.797216723 (Lake Janet) | MAL |
| Lake Joondalup Nature Reserve | Ia | 469 | 17 June 1937 | 31°44′09″S 115°47′01″E / 31.7357499385°S 115.7835892383°E / -31.7357499385; 115.7835892383 (Lake Joondalup) | SWA |
| Lake King Nature Reserve | Ia | 40,096 | 11 April 1986 | 33°10′35″S 119°34′51″E / 33.176517616°S 119.580836884°E / -33.176517616; 119.580836884 (Lake King) | ESP, MAL |
| Lake Liddelow Nature Reserve | Ia | 1,133 | 23 May 1969 | 32°27′17″S 119°17′03″E / 32.4546317033°S 119.2842096325°E / -32.4546317033; 119.2842096325 (Lake Liddelow) | MAL |
| Lake Logue Nature Reserve | Ia | 5,037 | 5 April 1968 | 29°50′01″S 115°09′06″E / 29.833735797°S 115.1517761903°E / -29.833735797; 115.1517761903 (Lake Logue) | GES |
| Lake Magenta Nature Reserve | Ia | 107,812 | 5 September 1958 | 33°29′54″S 119°01′38″E / 33.4984288735°S 119.0273233486°E / -33.4984288735; 119.0273233486 (Lake Magenta) | MAL |
| Lake McLarty Nature Reserve | Ia | 184 | 21 March 1986 | 32°42′14″S 115°42′55″E / 32.7038150646°S 115.715169089°E / -32.7038150646; 115.715169089 (Lake McLarty) | SWA |
| Lake Mealup Nature Reserve | Ia | 37 | 21 April 1899 | 32°40′55″S 115°42′47″E / 32.6820475278°S 115.713140545°E / -32.6820475278; 115.713140545 (Lake Mealup) | SWA |
| Lake Mears Nature Reserve | Ia | 255 | 15 October 1909 | 32°14′04″S 117°21′27″E / 32.2343249372°S 117.3575622175°E / -32.2343249372; 117.3575622175 (Lake Mears) | AVW |
| Lake Mortijinup Nature Reserve | Ia | 486 | 6 October 1978 | 33°48′21″S 121°39′09″E / 33.8059423365°S 121.6524874209°E / -33.8059423365; 121.6524874209 (Lake Mortijinup) | ESP |
| Lake Muir Nature Reserve | Ia | 11,427 | 16 March 1973 | 34°29′37″S 116°40′37″E / 34.4934997035°S 116.6768453425°E / -34.4934997035; 116.6768453425 (Lake Muir) | JAF |
| Lake Ninan Nature Reserve | Ia | 259 | 6 December 1963 | 30°57′10″S 116°38′32″E / 30.9528384966°S 116.6420994375°E / -30.9528384966; 116.6420994375 (Lake Ninan) | AVW |
| Lake Pleasant View Nature Reserve | Ia | 267 | 5 December 1913 | 34°49′35″S 118°10′46″E / 34.8263462655°S 118.1794213799°E / -34.8263462655; 118.1794213799 (Lake Pleasant View) | JAF |
| Lake Powell Nature Reserve | Ia | 192 | 2 December 1960 | 35°01′10″S 117°44′29″E / 35.0195627765°S 117.7415277083°E / -35.0195627765; 117.7415277083 (Lake Powell) | JAF |
| Lake Shaster Nature Reserve | Ia | 10,505 | 30 November 1973 | 33°52′27″S 120°41′21″E / 33.8742269635°S 120.6891753259°E / -33.8742269635; 120.6891753259 (Lake Shaster) | ESP |
| Lake Varley Nature Reserve | Ia | 2,197 | 4 March 1966 | 32°42′22″S 119°22′27″E / 32.7060252195°S 119.3741244665°E / -32.7060252195; 119.3741244665 (Lake Varley) | MAL |
| Lake Wannamal Nature Reserve | Ia | 361 | 13 October 1905 | 31°05′45″S 116°02′28″E / 31.0959307398°S 116.041070384°E / -31.0959307398; 116.041070384 (Lake Wannamal) | JAF, SWA |
| Lake Warden Nature Reserve | Ia | 703 | 23 July 2010 | 33°49′49″S 121°52′24″E / 33.8302111795°S 121.8733271674°E / -33.8302111795; 121.8733271674 (Lake Warden) | ESP |
| Lakeland Nature Reserve | Ia | 3,315 | 15 March 1968 | 33°15′44″S 118°43′32″E / 33.2621930917°S 118.725468354°E / -33.2621930917; 118.725468354 (Lakeland) | MAL |
| Lambkin Nature Reserve | Ia | 2 | 14 December 1973 | 32°22′03″S 115°58′35″E / 32.3674076382°S 115.9765231805°E / -32.3674076382; 115.9765231805 (Lambkin) | SWA |
| Lancelin and Edwards Islands Nature Reserve | Ia | 9 | 11 April 1958 | 31°00′25″S 115°18′58″E / 31.00695264°S 115.3159947807°E / -31.00695264; 115.3159947807 (Lancelin and Edwards Islands) | SWA |
| Landscape Hill Nature Reserve | Ia | 80 | 23 September 1988 | 32°31′39″S 117°24′33″E / 32.5274603035°S 117.4091239979°E / -32.5274603035; 117.4091239979 (Landscape Hill) | AVW |
| Latham Nature Reserve | Ia | 81 | 18 October 1912 | 29°46′44″S 116°32′15″E / 29.778976504°S 116.5374640855°E / -29.778976504; 116.5374640855 (Latham) | AVW |
| Lavender Nature Reserve | Ia | 282 | 6 September 1929 | 33°07′16″S 116°40′18″E / 33.121244193°S 116.6715326696°E / -33.121244193; 116.6715326696 (Lavender) | JAF |
| Leda Nature Reserve | Ia | 437 | 5 September 1975 | 32°16′34″S 115°48′07″E / 32.2760555905°S 115.8020298613°E / -32.2760555905; 115.8020298613 (Leda) | SWA |
| Lesueur Island Nature Reserve | Ia | 58 | 1 December 2000 | 13°49′10″S 127°16′22″E / 13.8195730595°S 127.2726678683°E / -13.8195730595; 127.2726678683 (Lesueur Island) | NOK |
| Little Rocky Island Nature Reserve | Ia | 5 | 1 April 1977 | 21°26′02″S 115°24′51″E / 21.433769772°S 115.414209866°E / -21.433769772; 115.414209866 (Little Rocky Island) | PIL |
| Locke Estate | Ia | 200 | 11 February 1992 | 33°39′55″S 115°14′08″E / 33.6653426545°S 115.235420456°E / -33.6653426545; 115.235420456 (Locke) | SWA |
| Locker Island Nature Reserve | Ia | 30 | 15 March 1968 | 21°42′57″S 114°46′03″E / 21.7159557025°S 114.76738635°E / -21.7159557025; 114.76738635 (Locker Island) | CAR |
| Lockhart Nature Reserve | Ia | 397 | 6 October 1967 | 33°15′28″S 119°01′51″E / 33.257734579°S 119.0309563106°E / -33.257734579; 119.0309563106 (Lockhart) | MAL |
| Long Creek Nature Reserve | Ia | 322 | 23 March 1973 | 33°35′12″S 119°46′07″E / 33.58672816°S 119.7685868629°E / -33.58672816; 119.7685868629 (Long Creek) | ESP |
| Long Pool Nature Reserve | Ia | 68 | 19 November 1885 | 30°34′22″S 116°10′39″E / 30.5729129435°S 116.1774857795°E / -30.5729129435; 116.1774857795 (Long Pool) | AVW |
| Low Rocks Nature Reserve | Ia | 4 | 23 January 1976 | 14°03′45″S 125°52′30″E / 14.0625884675°S 125.8749381693°E / -14.0625884675; 125.8749381693 (Low Rocks) | NOK |
| Lowendal Islands Nature Reserve | Ia | 179 | 5 March 1976 | 20°39′05″S 115°34′43″E / 20.6513683975°S 115.5784913911°E / -20.6513683975; 115.5784913911 (Lowendal Islands) | CAR |
| Mailalup Nature Reserve | Ia | 768 | 4 May 1962 | 34°21′28″S 118°28′51″E / 34.3577449734°S 118.4808963765°E / -34.3577449734; 118.4808963765 (Mailalup) | ESP |
| Mallee Nature Reserve | Ia | 259 | 3 March 1922 | 27°55′45″S 115°14′01″E / 27.9291877845°S 115.2336346246°E / -27.9291877845; 115.2336346246 (Mallee) | GES |
| Mallee Plain Nature Reserve | Ia | 316 | 26 April 1929 | 33°02′41″S 117°42′57″E / 33.0448439515°S 117.7159173225°E / -33.0448439515; 117.7159173225 (Mallee Plain) | AVW |
| Malyalling Nature Reserve | Ia | 48 | 12 May 1905 | 32°42′48″S 117°36′24″E / 32.7132521865°S 117.6066191677°E / -32.7132521865; 117.6066191677 (Malyalling) | AVW |
| Manaling Nature Reserve | Ia | 211 | 4 August 1967 | 30°24′17″S 115°57′27″E / 30.404702189°S 115.9575730122°E / -30.404702189; 115.9575730122 (Manaling) | SWA |
| Mangkili Claypan Nature Reserve | Ia | 3,636 | 22 April 1977 | 25°23′02″S 124°16′05″E / 25.38382438°S 124.2680298199°E / -25.38382438; 124.2680298199 (Mangkili Claypan) | GID |
| Manmanning Nature Reserve | Ia | 367 | 3 November 1950 | 30°54′08″S 117°05′29″E / 30.9022554034°S 117.0914958955°E / -30.9022554034; 117.0914958955 (Manmanning) | AVW |
| Manmanning Dam Nature Reserve | Ia | 378 | 21 November 1930 | 30°49′38″S 117°05′33″E / 30.8272139457°S 117.092601177°E / -30.8272139457; 117.092601177 (Manmanning Dam) | AVW |
| Manning Road Nature Reserve | Ia | 42 | 12 July 1912 | 32°58′49″S 117°16′46″E / 32.980192931°S 117.2795112505°E / -32.980192931; 117.2795112505 (Manning Road) | AVW |
| Maragoonda Nature Reserve | Ia | 13 | 24 November 1905 | 33°40′30″S 117°18′26″E / 33.6750533695°S 117.3073314735°E / -33.6750533695; 117.3073314735 (Maragoonda) | AVW, JAF |
| Marbelup Nature Reserve | Ia | 104 | 12 March 1958 | 34°59′24″S 117°43′45″E / 34.9898659445°S 117.7292345554°E / -34.9898659445; 117.7292345554 (Marbelup) | JAF |
| Marble Rocks Nature Reserve | Ia | 117 | 5 September 1930 | 32°30′57″S 119°24′23″E / 32.515840762°S 119.4064875492°E / -32.515840762; 119.4064875492 (Marble Rocks) | MAL |
| Marchagee Nature Reserve | Ia | 578 | 19 September 1952 | 29°57′38″S 116°04′38″E / 29.9604955111°S 116.077206828°E / -29.9604955111; 116.077206828 (Marchagee) | AVW, GES |
| Marindo Nature Reserve | Ia | 71 | 23 December 1932 | 30°25′55″S 117°45′57″E / 30.4320524525°S 117.7659361758°E / -30.4320524525; 117.7659361758 (Marindo) | AVW |
| Marrarup Nature Reserve | Ia | 121 | 18 February 1898 | 32°47′16″S 115°57′16″E / 32.787899177°S 115.9544899766°E / -32.787899177; 115.9544899766 (Marrarup) | JAF |
| Martinjinni Nature Reserve | Ia | 254 | 25 August 1916 | 30°18′12″S 116°27′33″E / 30.3033744125°S 116.4590602648°E / -30.3033744125; 116.4590602648 (Martinjinni) | GES |
| Martinup Nature Reserve | Ia | 91 | 27 September 1918 | 33°32′04″S 117°10′20″E / 33.5345492377°S 117.172337402°E / -33.5345492377; 117.172337402 (Martinup) | AVW |
| Maublarling Nature Reserve | Ia | 52 | 27 June 1969 | 32°56′25″S 118°18′35″E / 32.9402481415°S 118.3096206911°E / -32.9402481415; 118.3096206911 (Maublarling) | MAL |
| Maughan Nature Reserve | Ia | 816 | 24 February 1956 | 31°36′17″S 118°21′33″E / 31.60466099°S 118.3590563901°E / -31.60466099; 118.3590563901 (Maughan) | AVW |
| Mavis Jefferys Nature Reserve | Ia | 18 | 21 February 1997 | 31°35′29″S 116°26′39″E / 31.5914429113°S 116.4442739465°E / -31.5914429113; 116.4442739465 (Mavis Jefferys) | JAF |
| Maya Nature Reserve | Ia | 48 | 18 October 1912 | 29°49′28″S 116°31′49″E / 29.824523961°S 116.5304009623°E / -29.824523961; 116.5304009623 (Maya) | AVW |
| McDougall Nature Reserve | Ia | 336 | 20 July 1962 | 33°27′10″S 118°07′58″E / 33.4527328835°S 118.1327769431°E / -33.4527328835; 118.1327769431 (McDougall) | MAL |
| McGauran Nature Reserve | Ia | 846 | 24 August 1993 | 28°25′07″S 115°09′53″E / 28.4186488815°S 115.1647995066°E / -28.4186488815; 115.1647995066 (McGauran) | GES |
| McGlinn Nature Reserve | Ia | 292 | 26 September 1924 | 32°56′58″S 118°43′34″E / 32.949538562°S 118.726054581°E / -32.949538562; 118.726054581 (McGlinn) | MAL |
| McIntosh Road Nature Reserve | Ia | 28 | 21 April 1950 | 34°57′02″S 117°24′10″E / 34.9505764776°S 117.402776935°E / -34.9505764776; 117.402776935 (McIntosh Road) | WAR |
| McLarty Nature Reserve | Ia | 48 | 21 June 1957 | 32°41′38″S 115°41′59″E / 32.6937821105°S 115.6998539015°E / -32.6937821105; 115.6998539015 (McLarty) | SWA |
| McLean Road Nature Reserve | Ia | 12 | 20 October 1978 | 34°57′04″S 117°20′21″E / 34.951044027°S 117.339072984°E / -34.951044027; 117.339072984 (McLean Road) | WAR |
| Mealup Point Nature Reserve | Ia | 30 | 22 October 1897 | 32°40′45″S 115°41′14″E / 32.6792945477°S 115.687218412°E / -32.6792945477; 115.687218412 (Mealup Point) | SWA |
| Meelon Nature Reserve | Ia | 3 | 20 April 1956 | 32°41′21″S 115°56′11″E / 32.6891129865°S 115.9364362796°E / -32.6891129865; 115.9364362796 (Meelon) | SWA |
| Meenaar Nature Reserve | Ia | 94 | 26 September 1969 | 31°38′28″S 116°53′54″E / 31.641197264°S 116.8982459914°E / -31.641197264; 116.8982459914 (Meenaar) | AVW |
| Mehniup Nature Reserve | Ia | 285 | 7 March 1930 | 34°57′47″S 117°01′15″E / 34.9630907158°S 117.0207328265°E / -34.9630907158; 117.0207328265 (Mehniup) | WAR |
| Merewana Nature Reserve | Ia | 40 | 18 January 1895 | 30°18′53″S 116°14′34″E / 30.314761804°S 116.2427622425°E / -30.314761804; 116.2427622425 (Merewana) | GES |
| Merilup Nature Reserve | Ia | 874 | 18 June 2020 | 33°14′51″S 118°15′50″E / 33.2474240989°S 118.263939505°E / -33.2474240989; 118.263939505 (Merilup) | MAL |
| Merredin Nature Reserve | Ia | 91 | 28 March 1991 | 31°31′39″S 118°13′57″E / 31.527515014°S 118.2326334617°E / -31.527515014; 118.2326334617 (Merredin) | AVW |
| Mettabinup Nature Reserve | Ia | 164 | 1 May 1914 | 34°00′14″S 116°50′39″E / 34.0038066209°S 116.8441511705°E / -34.0038066209; 116.8441511705 (Mettabinup) | JAF |
| Mettler Lake Nature Reserve | Ia | 402 | 19 July 1963 | 34°34′16″S 118°35′50″E / 34.570984214°S 118.597211094°E / -34.570984214; 118.597211094 (Mettler Lake) | ESP |
| Michaelmas Island Nature Reserve | Ia | 92 | 17 October 1969 | 35°02′38″S 118°02′23″E / 35.043793779°S 118.0397640329°E / -35.043793779; 118.0397640329 (Michaelmas Island) | JAF |
| Mill Brook Nature Reserve | Ia | 1,484 | 3 October 1924 | 34°51′38″S 117°50′22″E / 34.860560957°S 117.8395418573°E / -34.860560957; 117.8395418573 (Mill Brook) | JAF |
| Milyu Nature Reserve | Ia | 4 | 31 December 1975 | 31°58′58″S 115°51′00″E / 31.9827110384°S 115.8500291705°E / -31.9827110384; 115.8500291705 (Milyu) | SWA |
| Mingenew Nature Reserve | Ia | 350 | 20 July 1893 | 29°10′58″S 115°25′05″E / 29.182643959°S 115.4181431723°E / -29.182643959; 115.4181431723 (Mingenew) | AVW |
| Mininup Nature Reserve | Ia | 154 | 13 April 1893 | 34°05′41″S 116°49′49″E / 34.0946044613°S 116.8303054485°E / -34.0946044613; 116.8303054485 (Mininup) | JAF |
| Minniging Nature Reserve | Ia | 52 | 12 August 1891 | 32°52′19″S 117°03′13″E / 32.87195833°S 117.0537348157°E / -32.87195833; 117.0537348157 (Minniging) | AVW |
| Minnivale Nature Reserve | Ia | 218 | 23 October 1970 | 31°08′35″S 117°11′05″E / 31.1430228568°S 117.184764708°E / -31.1430228568; 117.184764708 (Minnivale) | AVW |
| Minyulo Nature Reserve | Ia | 193 | 27 August 1965 | 30°38′47″S 115°34′34″E / 30.6464264984°S 115.5761819375°E / -30.6464264984; 115.5761819375 (Minyulo) | GES |
| Miripin Nature Reserve | Ia | 28 | 21 February 1958 | 33°32′27″S 117°11′52″E / 33.5407065°S 117.1977822158°E / -33.5407065; 117.1977822158 (Miripin) | AVW |
| Mistaken Island Nature Reserve | Ia | 12 | 13 October 1874 | 35°03′46″S 117°56′35″E / 35.0626865315°S 117.9430551673°E / -35.0626865315; 117.9430551673 (Mistaken Island) | WAR |
| Mockerdungulling Nature Reserve | Ia | 33 | 28 April 1892 | 32°33′34″S 117°15′54″E / 32.5593119785°S 117.2649316798°E / -32.5593119785; 117.2649316798 (Mockerdungulling) | AVW |
| Modong Nature Reserve | Ia | 156 | 30 March 1961 | 32°13′39″S 115°53′53″E / 32.227610318°S 115.8980899185°E / -32.227610318; 115.8980899185 (Modong) | SWA |
| Moganmoganing Nature Reserve | Ia | 53 | 14 June 1963 | 31°07′17″S 116°15′40″E / 31.1214973472°S 116.261093635°E / -31.1214973472; 116.261093635 (Moganmoganing) | JAF |
| Mogumber Nature Reserve | Ia | 231 | 16 March 1984 | 31°04′13″S 116°02′26″E / 31.0702136012°S 116.040512129°E / -31.0702136012; 116.040512129 (Mogumber) | JAF, SWA |
| Mogumber West Nature Reserve | Ia | 259 | 15 May 1896 | 31°00′54″S 116°00′10″E / 31.0149638705°S 116.0029166129°E / -31.0149638705; 116.0029166129 (Mogumber West) | JAF, SWA |
| Mokamie Nature Reserve | Ia | 481 | 16 January 1953 | 31°57′07″S 117°56′02″E / 31.9519076368°S 117.933878209°E / -31.9519076368; 117.933878209 (Mokamie) | AVW |
| Mokine Nature Reserve | Ia | 289 | 11 February 1972 | 31°46′58″S 116°35′01″E / 31.7828997297°S 116.583651515°E / -31.7828997297; 116.583651515 (Mokine) | AVW, JAF |
| Mollerin Nature Reserve | Ia | 6,637 | 8 November 1912 | 30°29′47″S 117°34′52″E / 30.4964986345°S 117.5811146966°E / -30.4964986345; 117.5811146966 (Mollerin) | AVW |
| Mongelup Nature Reserve | Ia | 39 | 26 August 1904 | 34°09′49″S 117°01′05″E / 34.163594913°S 117.0179215867°E / -34.163594913; 117.0179215867 (Mongelup) | JAF |
| Moochamulla Nature Reserve | Ia | 36 | 29 January 1915 | 30°58′49″S 115°48′18″E / 30.98022482°S 115.8051173759°E / -30.98022482; 115.8051173759 (Moochamulla) | SWA |
| Moojebing Nature Reserve | Ia | 44 | 17 August 1973 | 33°36′26″S 117°30′01″E / 33.607100836°S 117.5002038612°E / -33.607100836; 117.5002038612 (Moojebing) | AVW |
| Moomagul Nature Reserve | Ia | 180 | 9 October 1970 | 32°34′53″S 116°51′25″E / 32.581478914°S 116.8570636719°E / -32.581478914; 116.8570636719 (Moomagul) | AVW, JAF |
| Moondyne Nature Reserve | Ia | 1,991 | 7 August 1970 | 31°34′31″S 116°12′18″E / 31.575148169°S 116.2049094969°E / -31.575148169; 116.2049094969 (Moondyne) | JAF |
| Moonijin Nature Reserve | Ia | 57 | 30 September 1904 | 30°54′57″S 117°09′26″E / 30.9157871935°S 117.1572658138°E / -30.9157871935; 117.1572658138 (Moonijin) | AVW |
| Mooradung Nature Reserve | Ia | 632 | 7 March 1974 | 32°53′50″S 116°33′57″E / 32.8971562375°S 116.5658009023°E / -32.8971562375; 116.5658009023 (Mooradung) | JAF |
| Mooraning Nature Reserve | Ia | 44 | 26 March 1909 | 31°50′51″S 117°26′57″E / 31.8474039899°S 117.4492148985°E / -31.8474039899; 117.4492148985 (Mooraning) | AVW |
| Moore River Nature Reserve | Ia | 4,722 | 13 September 1991 | 31°11′38″S 115°40′16″E / 31.1939817682°S 115.671143776°E / -31.1939817682; 115.671143776 (Moore River) | SWA |
| Moornaming Nature Reserve | Ia | 78 | 2 December 1983 | 33°34′01″S 118°04′20″E / 33.5670396835°S 118.0723589899°E / -33.5670396835; 118.0723589899 (Moornaming) | MAL |
| Moorumbine Nature Reserve | Ia | 19 | 15 September 1899 | 32°30′46″S 117°11′27″E / 32.5127421945°S 117.1907955598°E / -32.5127421945; 117.1907955598 (Moorumbine) | AVW |
| Morangarel Nature Reserve | Ia | 5 | 23 September 1983 | 33°17′59″S 115°42′26″E / 33.2996239395°S 115.7071007921°E / -33.2996239395; 115.7071007921 (Morangarel) | SWA |
| Morangup Nature Reserve | Ia | 932 | 16 November 1984 | 31°39′40″S 116°19′34″E / 31.6610719815°S 116.326055964°E / -31.6610719815; 116.326055964 (Morangup) | JAF |
| Mordetta Nature Reserve | Ia | 374 | 3 December 1965 | 32°51′32″S 118°32′38″E / 32.8587592055°S 118.5439029355°E / -32.8587592055; 118.5439029355 (Mordetta) | MAL |
| Mortlock Nature Reserve | Ia | 41 | 29 April 1898 | 31°41′13″S 116°54′39″E / 31.686951497°S 116.9108291873°E / -31.686951497; 116.9108291873 (Mortlock) | AVW |
| Morton Nature Reserve | Ia | 114 | 26 May 1972 | 32°29′58″S 118°01′37″E / 32.4994862274°S 118.026894212°E / -32.4994862274; 118.026894212 (Morton) | MAL |
| Moulien Nature Reserve | Ia | 153 | 16 September 1966 | 31°50′02″S 117°32′21″E / 31.8338633145°S 117.5392523414°E / -31.8338633145; 117.5392523414 (Moulien) | AVW |
| Mount Burdett Nature Reserve | Ia | 605 | 18 February 1966 | 33°27′53″S 122°07′55″E / 33.464756753°S 122.131836718°E / -33.464756753; 122.131836718 (Mount Burdett) | MAL |
| Mount Byroomanning Nature Reserve | Ia | 181 | 23 August 1974 | 31°22′02″S 116°07′16″E / 31.3672600219°S 116.121033433°E / -31.3672600219; 116.121033433 (Mount Byroomanning) | JAF |
| Mount Caroline Nature Reserve | Ia | 352 | 28 February 1908 | 31°47′31″S 117°38′05″E / 31.7920726845°S 117.6347375663°E / -31.7920726845; 117.6347375663 (Mount Caroline) | AVW |
| Mount Hampton Nature Reserve | Ia | 2,480 | 6 December 1974 | 31°44′46″S 119°03′20″E / 31.746110277°S 119.0555178178°E / -31.746110277; 119.0555178178 (Mount Hampton) | AVW |
| Mount Manning Range Nature Reserve | Ia | 36,566 | 18 February 2021 | 30°11′54″S 119°53′57″E / 30.198432141°S 119.8991430341°E / -30.198432141; 119.8991430341 (Mount Manning Range) | COO |
| Mount Manypeaks Nature Reserve | Ia | 1,330 | 27 April 1979 | 34°54′17″S 118°15′57″E / 34.9048513865°S 118.2657702387°E / -34.9048513865; 118.2657702387 (Mount Manypeaks) | ESP, JAF |
| Mount Mason Nature Reserve | Ia | 194 | 18 August 1967 | 34°58′02″S 118°01′17″E / 34.9672421735°S 118.0214447637°E / -34.9672421735; 118.0214447637 (Mount Mason) | JAF |
| Mount Ney Nature Reserve | Ia | 610 | 2 August 1974 | 33°23′44″S 122°27′17″E / 33.3954798425°S 122.4547409548°E / -33.3954798425; 122.4547409548 (Mount Ney) | MAL |
| Mount Nunn Nature Reserve | Ia | 88 | 1 June 1917 | 29°15′18″S 115°52′06″E / 29.2550549831°S 115.868454816°E / -29.2550549831; 115.868454816 (Mount Nunn) | AVW |
| Mount Pleasant Nature Reserve | Ia | 57 | 29 March 1956 | 33°12′36″S 117°44′05″E / 33.2098719058°S 117.7348320025°E / -33.2098719058; 117.7348320025 (Mount Pleasant) | AVW |
| Mount Ridley Nature Reserve | Ia | 1,417 | 25 February 1966 | 33°27′07″S 122°02′03″E / 33.4519226218°S 122.034058779°E / -33.4519226218; 122.034058779 (Mount Ridley) | MAL |
| Mount Shadforth Nature Reserve | Ia | 84 | 27 July 1923 | 34°58′30″S 117°17′00″E / 34.974988791°S 117.2832576895°E / -34.974988791; 117.2832576895 (Mount Shadforth) | WAR |
| Mount Stirling Nature Reserve | Ia | 225 | 28 February 1908 | 31°50′00″S 117°37′10″E / 31.833263087°S 117.61947753°E / -31.833263087; 117.61947753 (Mount Stirling) | AVW |
| Mournucking Nature Reserve | Ia | 697 | 17 January 1958 | 31°43′25″S 117°42′23″E / 31.7237121972°S 117.706436346°E / -31.7237121972; 117.706436346 (Mournucking) | AVW |
| Muiron Islands Nature Reserve | Ia | 988 | 2 February 1973 | 21°41′07″S 114°19′24″E / 21.6852223405°S 114.3232948214°E / -21.6852223405; 114.3232948214 (Muiron Islands) | CAR |
| Mullet Lake Nature Reserve | Ia | 1,885 | 2 October 1953 | 33°48′57″S 122°00′00″E / 33.8159368815°S 122.0000722445°E / -33.8159368815; 122.0000722445 (Mullet Lake) | ESP |
| Mungaroona Range Nature Reserve | Ia | 105,842 | 30 June 1972 | 21°51′07″S 118°19′44″E / 21.8519434625°S 118.3289841625°E / -21.8519434625; 118.3289841625 (Mungaroona Range) | PIL |
| Mungarri Nature Reserve | Ia | 438 | 10 February 1922 | 30°20′38″S 117°45′15″E / 30.3437793833°S 117.7542426125°E / -30.3437793833; 117.7542426125 (Mungarri) | AVW |
| Mungerungcutting Nature Reserve | Ia | 21 | 2 March 1893 | 32°45′36″S 117°25′14″E / 32.7601168505°S 117.4206403392°E / -32.7601168505; 117.4206403392 (Mungerungcutting) | AVW |
| Munglinup Nature Reserve | Ia | 150 | 17 August 1962 | 33°44′12″S 120°53′44″E / 33.7366512055°S 120.8956520775°E / -33.7366512055; 120.8956520775 (Munglinup) | ESP |
| Muntz Nature Reserve | Ia | 3,618 | 29 June 1973 | 33°34′18″S 122°50′30″E / 33.571709835°S 122.8417871309°E / -33.571709835; 122.8417871309 (Muntz) | ESP, MAL |
| Murapin Nature Reserve | Ia | 74 | 4 July 1919 | 33°32′17″S 117°11′12″E / 33.5381696376°S 117.1867032275°E / -33.5381696376; 117.1867032275 (Murapin) | AVW |
| Murnanying Nature Reserve | Ia | 22 | 26 March 1970 | 32°25′33″S 117°14′51″E / 32.4257228929°S 117.247496365°E / -32.4257228929; 117.247496365 (Murnanying) | AVW |
| Nabaroo Nature Reserve | Ia | 8 | 8 August 1969 | 31°04′53″S 115°31′46″E / 31.081405258°S 115.5295091898°E / -31.081405258; 115.5295091898 (Nabaroo) | SWA |
| Nallian Nature Reserve | Ia | 97 | 17 September 1897 | 33°13′59″S 117°25′52″E / 33.2330789323°S 117.4310101325°E / -33.2330789323; 117.4310101325 (Nallian) | AVW |
| Namban Nature Reserve | Ia | 292 | 5 October 1951 | 30°21′48″S 115°58′52″E / 30.3632255145°S 115.980976518°E / -30.3632255145; 115.980976518 (Namban) | GES, SWA |
| Namelcatchem Nature Reserve | Ia | 259 | 19 June 1884 | 31°10′54″S 117°11′30″E / 31.1817307825°S 117.191546258°E / -31.1817307825; 117.191546258 (Namelcatchem) | AVW |
| Namming Nature Reserve | Ia | 5,432 | 12 May 1967 | 30°56′22″S 115°34′37″E / 30.93944014°S 115.5768327812°E / -30.93944014; 115.5768327812 (Namming) | SWA |
| Nanamoolan Nature Reserve | Ia | 14 | 18 April 1975 | 31°38′54″S 116°29′17″E / 31.6484191059°S 116.4881246615°E / -31.6484191059; 116.4881246615 (Nanamoolan) | JAF |
| Nangeen Hill Nature Reserve | Ia | 178 | 26 January 1951 | 31°50′17″S 117°41′05″E / 31.83800197°S 117.6847001275°E / -31.83800197; 117.6847001275 (Nangeen Hill) | AVW |
| Nangeenan Nature Reserve | Ia | 61 | 31 August 1956 | 31°30′43″S 118°09′49″E / 31.5118649363°S 118.163664792°E / -31.5118649363; 118.163664792 (Nangeenan) | AVW |
| Napier Nature Reserve | Ia | 219 | 14 November 1924 | 34°45′17″S 117°58′26″E / 34.754803729°S 117.973919384°E / -34.754803729; 117.973919384 (Napier) | JAF |
| Napping Nature Reserve | Ia | 61 | 28 September 1934 | 32°37′50″S 116°57′48″E / 32.6305864275°S 116.9633096413°E / -32.6305864275; 116.9633096413 (Napping) | AVW |
| Narlingup Nature Reserve | Ia | 145 | 27 March 1903 | 33°51′27″S 116°53′30″E / 33.857438073°S 116.8916835605°E / -33.857438073; 116.8916835605 (Narlingup) | JAF |
| Neale Junction Nature Reserve | Ia | 723,073 | 1 July 1977 | 28°19′57″S 126°00′05″E / 28.332425534°S 126.0013865487°E / -28.332425534; 126.0013865487 (Neale Junction) | GVD |
| Neaves Road Nature Reserve | Ia | 9 | 11 September 2003 | 31°39′07″S 115°57′07″E / 31.6519911775°S 115.9519837486°E / -31.6519911775; 115.9519837486 (Neaves Road) | SWA |
| Needham Nature Reserve | Ia | 7 | 20 March 1908 | 31°48′28″S 116°18′43″E / 31.8078652913°S 116.311949648°E / -31.8078652913; 116.311949648 (Needham) | JAF |
| Needilup Nature Reserve | Ia | 622 | 14 August 1914 | 33°49′45″S 118°48′32″E / 33.8292018249°S 118.8087639005°E / -33.8292018249; 118.8087639005 (Needilup) | MAL |
| Neendojer Rock Nature Reserve | Ia | 2,249 | 27 July 1977 | 31°52′23″S 119°08′30″E / 31.8731540592°S 119.1417727535°E / -31.8731540592; 119.1417727535 (Neendojer Rock) | AVW |
| Neerabup Nature Reserve | Ia | 132 | 2 November 1956 | 31°38′01″S 115°43′45″E / 31.6335990705°S 115.7291402425°E / -31.6335990705; 115.7291402425 (Neerabup) | SWA |
| Nembudding Nature Reserve | Ia | 38 | 19 November 1976 | 31°11′29″S 117°33′47″E / 31.1915243105°S 117.5631389196°E / -31.1915243105; 117.5631389196 (Nembudding) | AVW |
| Nembudding South Nature Reserve | Ia | 11 | 2 July 1915 | 31°13′54″S 117°34′57″E / 31.2316105553°S 117.582445374°E / -31.2316105553; 117.582445374 (Nembudding South) | AVW |
| Neredup Nature Reserve | Ia | 1,709 | 2 August 1974 | 33°33′19″S 122°54′15″E / 33.555270113°S 122.9042314365°E / -33.555270113; 122.9042314365 (Neredup) | MAL |
| Ngopitchup Nature Reserve | Ia | 40 | 6 April 1900 | 33°56′30″S 117°21′15″E / 33.9415956613°S 117.354186385°E / -33.9415956613; 117.354186385 (Ngopitchup) | JAF |
| Niblick Nature Reserve | Ia | 839 | 2 December 1983 | 33°27′24″S 122°59′11″E / 33.4567126245°S 122.9862998531°E / -33.4567126245; 122.9862998531 (Niblick) | MAL |
| Nilgen Nature Reserve | Ia | 5,516 | 23 February 1973 | 30°56′57″S 115°19′51″E / 30.9491802995°S 115.3307075495°E / -30.9491802995; 115.3307075495 (Nilgen) | SWA |
| Nilligarri Nature Reserve | Ia | 7 | 23 April 1909 | 28°30′01″S 114°37′02″E / 28.500361988°S 114.6172103218°E / -28.500361988; 114.6172103218 (Nilligarri) | GES |
| Nine Mile Lake Nature Reserve | Ia | 113 | 19 July 1918 | 32°44′21″S 115°46′41″E / 32.7391133293°S 115.778115591°E / -32.7391133293; 115.778115591 (Nine Mile Lake) | SWA |
| Nollajup Nature Reserve | Ia | 663 | 8 December 2004 | 33°52′57″S 116°20′12″E / 33.8823839405°S 116.3365495043°E / -33.8823839405; 116.3365495043 (Nollajup) | JAF |
| Nonalling Nature Reserve | Ia | 506 | 20 April 1956 | 32°32′26″S 117°37′35″E / 32.5404868475°S 117.6262976721°E / -32.5404868475; 117.6262976721 (Nonalling) | AVW |
| Noobijup Nature Reserve | Ia | 183 | 5 April 1963 | 34°24′15″S 116°47′17″E / 34.404256976°S 116.787957643°E / -34.404256976; 116.787957643 (Noobijup) | JAF |
| Noombling Nature Reserve | Ia | 71 | 22 December 1961 | 32°31′36″S 117°00′05″E / 32.526704748°S 117.0012689976°E / -32.526704748; 117.0012689976 (Noombling) | AVW |
| Noonebin Nature Reserve | Ia | 4 | 10 April 1908 | 32°34′27″S 117°14′28″E / 32.574204606°S 117.241049869°E / -32.574204606; 117.241049869 (Noonebin) | AVW |
| Noonying Nature Reserve | Ia | 49 | 19 October 1906 | 31°39′26″S 117°27′02″E / 31.6573530675°S 117.4506547785°E / -31.6573530675; 117.4506547785 (Noonying) | AVW |
| Noorajin Soak Nature Reserve | Ia | 202 | 8 June 1906 | 30°45′38″S 117°14′49″E / 30.7606204025°S 117.2470128985°E / -30.7606204025; 117.2470128985 (Noorajin Soak) | AVW |
| Norpa Nature Reserve | Ia | 203 | 8 August 1930 | 31°34′51″S 118°24′49″E / 31.5807730356°S 118.413507972°E / -31.5807730356; 118.413507972 (Norpa) | AVW |
| North Baandee Nature Reserve | Ia | 147 | 24 December 1926 | 31°22′02″S 117°56′36″E / 31.367332734°S 117.9434627281°E / -31.367332734; 117.9434627281 (North Baandee) | AVW |
| North Beacon Nature Reserve | Ia | 105 | 11 May 1945 | 30°24′36″S 117°53′12″E / 30.4101249855°S 117.8865918796°E / -30.4101249855; 117.8865918796 (North Beacon) | AVW |
| North Bonnie Rock Nature Reserve | Ia | 194 | 6 September 1968 | 30°29′11″S 118°20′09″E / 30.4862574195°S 118.3358344728°E / -30.4862574195; 118.3358344728 (North Bonnie Rock) | AVW |
| North Bungulla Nature Reserve | Ia | 93 | 27 January 1922 | 31°31′34″S 117°35′29″E / 31.5260697903°S 117.591274783°E / -31.5260697903; 117.591274783 (North Bungulla) | AVW |
| North Dandalup Nature Reserve | Ia | 182 | 10 May 1991 | 32°28′28″S 116°00′13″E / 32.4745598695°S 116.003606248°E / -32.4745598695; 116.003606248 (North Dandalup) | JAF |
| North Jitarning Nature Reserve | Ia | 45 | 18 February 1966 | 32°45′56″S 118°01′34″E / 32.7655016645°S 118.0259766428°E / -32.7655016645; 118.0259766428 (North Jitarning) | MAL |
| North Karlgarin Nature Reserve | Ia | 5,822 | 7 February 1930 | 32°19′27″S 118°31′15″E / 32.3240425669°S 118.5208700355°E / -32.3240425669; 118.5208700355 (North Karlgarin) | MAL |
| North Sandy Island Nature Reserve | Ia | 20 | 1 December 2000 | 21°06′13″S 115°39′13″E / 21.1036795994°S 115.6535620815°E / -21.1036795994; 115.6535620815 (North Sandy Island) | PIL |
| North Sister Nature Reserve | Ia | 1,008 | 27 July 1962 | 34°47′36″S 118°10′41″E / 34.7933067525°S 118.1781539119°E / -34.7933067525; 118.1781539119 (North Sister) | JAF |
| North Tammin Nature Reserve | Ia | 30 | 9 March 1900 | 31°32′29″S 117°28′26″E / 31.5414954804°S 117.4740224345°E / -31.5414954804; 117.4740224345 (North Tammin) | AVW |
| North Tarin Rock Nature Reserve | Ia | 2,142 | 8 August 1969 | 32°59′21″S 118°15′04″E / 32.9891951775°S 118.2511572981°E / -32.9891951775; 118.2511572981 (North Tarin Rock) | MAL |
| North Turtle Island Nature Reserve | Ia | 51 | 1 April 1977 | 19°53′20″S 118°53′52″E / 19.8888461749°S 118.8977818035°E / -19.8888461749; 118.8977818035 (North Turtle Island) | PIL |
| North Wagin Nature Reserve | Ia | 62 | 24 July 1970 | 33°17′22″S 117°19′35″E / 33.2895360528°S 117.326431637°E / -33.2895360528; 117.326431637 (North Wagin) | AVW |
| North Wallambin Nature Reserve | Ia | 303 | 15 March 1963 | 30°54′45″S 117°37′47″E / 30.9125447735°S 117.6295910554°E / -30.9125447735; 117.6295910554 (North Wallambin) | AVW |
| North Woyerling Nature Reserve | Ia | 24 | 26 April 1929 | 32°28′27″S 117°23′40″E / 32.4742718818°S 117.394348294°E / -32.4742718818; 117.394348294 (North Woyerling) | AVW |
| North Yilliminning Nature Reserve | Ia | 114 | 15 June 1934 | 32°50′49″S 117°22′08″E / 32.8469879223°S 117.3689980305°E / -32.8469879223; 117.3689980305 (North Yilliminning) | AVW |
| Nugadong Nature Reserve | Ia | 10 | 27 September 1968 | 30°12′17″S 116°39′47″E / 30.2046920478°S 116.662948546°E / -30.2046920478; 116.662948546 (Nugadong) | AVW |
| Nukarni Nature Reserve | Ia | 95 | 28 April 1967 | 31°17′38″S 118°12′22″E / 31.2939051807°S 118.2062236475°E / -31.2939051807; 118.2062236475 (Nukarni) | AVW |
| Nullilla Nature Reserve | Ia | 5 | 10 January 2001 | 31°24′16″S 115°54′46″E / 31.4044965031°S 115.912792209°E / -31.4044965031; 115.912792209 (Nullilla) | SWA |
| Nuytsland Nature Reserve | Ia | 599,158 | 25 June 1965 | 32°50′21″S 124°44′38″E / 32.8391922595°S 124.7439186455°E / -32.8391922595; 124.7439186455 (Nuytsland) | COO, ESP, HAM, MAL |
| Oakabella Nature Reserve | Ia | 33 | 27 October 1939 | 28°28′40″S 114°37′54″E / 28.4778184819°S 114.6315367305°E / -28.4778184819; 114.6315367305 (Oakabella) | GES |
| Oakajee Nature Reserve | Ia | 124 | 29 July 1879 | 28°34′25″S 114°39′07″E / 28.5734726955°S 114.6519625012°E / -28.5734726955; 114.6519625012 (Oakajee) | GES |
| Ockley Nature Reserve | Ia | 145 | 14 September 1934 | 32°50′52″S 117°23′30″E / 32.847716817°S 117.3917369612°E / -32.847716817; 117.3917369612 (Ockley) | AVW |
| Ogilvie Nature Reserve | Ia | 76 | 1 April 1910 | 28°10′47″S 114°38′36″E / 28.1798532453°S 114.643338594°E / -28.1798532453; 114.643338594 (Ogilvie) | GES |
| Old Store Nature Reserve | Ia | 62 | 4 November 1927 | 30°23′42″S 117°09′37″E / 30.394966692°S 117.1603947174°E / -30.394966692; 117.1603947174 (Old Store) | AVW |
| One Mile Rocks Nature Reserve | Ia | 865 | 11 July 1969 | 33°12′28″S 119°48′46″E / 33.207714723°S 119.8127625344°E / -33.207714723; 119.8127625344 (One Mile Rocks) | MAL |
| One Tree Point Nature Reserve | Ia | 483 | 19 August 1966 | 24°51′25″S 113°38′17″E / 24.856826925°S 113.6379984347°E / -24.856826925; 113.6379984347 (One Tree Point) | CAR |
| Ongerup Lagoon Nature Reserve | Ia | 51 | 24 September 1891 | 34°39′58″S 117°34′04″E / 34.6661001301°S 117.5678455565°E / -34.6661001301; 117.5678455565 (Ongerup Lagoon) | JAF |
| Orchid Nature Reserve | Ia | 56 | 16 March 1893 | 34°21′35″S 117°32′10″E / 34.359831239°S 117.5362022077°E / -34.359831239; 117.5362022077 (Orchid) | JAF |
| Ord River Nature Reserve | Ia | 79,842 | 4 May 1973 | 15°16′31″S 128°17′30″E / 15.275195137°S 128.291714166°E / -15.275195137; 128.291714166 (Ord River) | NOK, VIB |
| Overheu Nature Reserve | Ia | 19 | 12 February 1960 | 32°22′23″S 117°34′58″E / 32.3731249105°S 117.5826895354°E / -32.3731249105; 117.5826895354 (Overheu) | AVW |
| Overshot Hill Nature Reserve | Ia | 431 | 21 May 1965 | 33°31′50″S 120°00′41″E / 33.5304295765°S 120.0115046184°E / -33.5304295765; 120.0115046184 (Overshot Hill) | ESP |
| Owingup Nature Reserve | Ia | 2,459 | 16 June 1989 | 34°59′38″S 117°03′54″E / 34.9939117855°S 117.0650447357°E / -34.9939117855; 117.0650447357 (Owingup) | WAR |
| Pagett Nature Reserve | Ia | 1,400 | 8 December 2004 | 34°12′19″S 115°22′10″E / 34.2053951425°S 115.3694114038°E / -34.2053951425; 115.3694114038 (Pagett) | JAF, WAR |
| Pallarup Nature Reserve | Ia | 4,185 | 4 July 1969 | 33°13′49″S 119°45′03″E / 33.2303313985°S 119.7508970404°E / -33.2303313985; 119.7508970404 (Pallarup) | ESP, MAL |
| Pallinup Nature Reserve | Ia | 425 | 4 August 1967 | 34°24′40″S 118°42′31″E / 34.411141061°S 118.7084930908°E / -34.411141061; 118.7084930908 (Pallinup) | ESP |
| Pantapin Nature Reserve | Ia | 0.46 | 27 July 1923 | 31°57′08″S 117°39′16″E / 31.9521194102°S 117.6545205005°E / -31.9521194102; 117.6545205005 (Pantapin) | AVW |
| Paperbark Nature Reserve | Ia | 120 | 8 July 1910 | 32°24′38″S 118°05′22″E / 32.4105057555°S 118.0895292116°E / -32.4105057555; 118.0895292116 (Paperbark) | MAL |
| Pardelup Nature Reserve | Ia | 607 | 1 December 1950 | 34°39′52″S 117°25′18″E / 34.6645033865°S 117.4215922375°E / -34.6645033865; 117.4215922375 (Pardelup) | JAF |
| Pardelup Road Nature Reserve | Ia | 42 | 24 September 1948 | 34°39′33″S 117°23′40″E / 34.6592054474°S 117.3943577165°E / -34.6592054474; 117.3943577165 (Pardelup Road) | JAF |
| Parkerville Nature Reserve | Ia | 4 | 3 May 1912 | 31°51′55″S 116°07′16″E / 31.8652525099°S 116.121099896°E / -31.8652525099; 116.121099896 (Parkerville) | JAF |
| Parkeyerring Nature Reserve | Ia | 991 | 16 August 1957 | 33°22′40″S 117°20′03″E / 33.3777890361°S 117.334060069°E / -33.3777890361; 117.334060069 (Parkeyerring) | AVW |
| Parry Lagoons Nature Reserve | Ia | 35,914 | 21 August 1992 | 15°40′48″S 128°18′05″E / 15.6799833518°S 128.3014057965°E / -15.6799833518; 128.3014057965 (Parry Lagoons) | VIB |
| Pederah Nature Reserve | Ia | 403 | 27 February 1970 | 32°38′26″S 118°40′00″E / 32.6405043296°S 118.666705308°E / -32.6405043296; 118.666705308 (Pederah) | MAL |
| Pelican Island Nature Reserve | Ia | 8 | 20 December 1968 | 14°46′11″S 128°46′27″E / 14.7697395218°S 128.7741572155°E / -14.7697395218; 128.7741572155 (Pelican Island) | VIB |
| Peringillup Nature Reserve | Ia | 218 | 12 October 1979 | 33°56′27″S 117°39′01″E / 33.940743741°S 117.6503227481°E / -33.940743741; 117.6503227481 (Peringillup) | AVW |
| Petercarring Nature Reserve | Ia | 100 | 26 April 1929 | 32°30′31″S 117°15′05″E / 32.5087257264°S 117.2514075635°E / -32.5087257264; 117.2514075635 (Petercarring) | AVW |
| Phillips Brook Nature Reserve | Ia | 49 | 2 October 1883 | 34°53′02″S 117°46′06″E / 34.8838313255°S 117.7684245342°E / -34.8838313255; 117.7684245342 (Phillips Brook) | JAF |
| Piara Nature Reserve | Ia | 40 | 24 April 1980 | 32°08′22″S 115°55′20″E / 32.1393152827°S 115.92210842°E / -32.1393152827; 115.92210842 (Piara) | SWA |
| Pikaring Nature Reserve | Ia | 106 | 1 June 1893 | 32°05′05″S 117°43′18″E / 32.0845932685°S 117.7216033988°E / -32.0845932685; 117.7216033988 (Pikaring) | AVW |
| Pikaring West Nature Reserve | Ia | 61 | 15 September 1950 | 32°05′11″S 117°41′58″E / 32.086512739°S 117.6994284919°E / -32.086512739; 117.6994284919 (Pikaring West) | AVW |
| Pindicup Nature Reserve | Ia | 281 | 5 April 1963 | 34°24′43″S 116°43′19″E / 34.4120377031°S 116.7219931125°E / -34.4120377031; 116.7219931125 (Pindicup) | JAF |
| Pingaring Nature Reserve | Ia | 68 | 13 August 1954 | 32°44′48″S 118°38′58″E / 32.746695078°S 118.6493336804°E / -32.746695078; 118.6493336804 (Pingaring) | MAL |
| Pingeculling Nature Reserve | Ia | 243 | 29 February 1980 | 32°24′09″S 117°06′43″E / 32.402467646°S 117.111907966°E / -32.402467646; 117.111907966 (Pingeculling) | AVW |
| Pingelly Nature Reserve | Ia | 5 | 7 June 1968 | 32°32′31″S 117°04′31″E / 32.5419300005°S 117.0751534114°E / -32.5419300005; 117.0751534114 (Pingelly) | AVW |
| Pinjarrega Nature Reserve | Ia | 18,221 | 19 December 1958 | 30°03′30″S 115°54′19″E / 30.058374282°S 115.9051433215°E / -30.058374282; 115.9051433215 (Pinjarrega) | GES |
| Pintharuka Nature Reserve | Ia | 62 | 26 October 1979 | 29°06′05″S 115°59′28″E / 29.101338452°S 115.991094004°E / -29.101338452; 115.991094004 (Pintharuka) | AVW |
| Pintharuka Well Nature Reserve | Ia | 67 | 26 May 1911 | 29°05′30″S 115°57′46″E / 29.0915727665°S 115.9627928419°E / -29.0915727665; 115.9627928419 (Pintharuka Well) | AVW |
| Pinticup Nature Reserve | Ia | 75 | 5 April 1963 | 34°27′54″S 116°48′32″E / 34.465060269°S 116.8090240769°E / -34.465060269; 116.8090240769 (Pinticup) | JAF |
| Plain Hills Nature Reserve | Ia | 217 | 28 March 1980 | 32°52′44″S 118°05′55″E / 32.8789588275°S 118.098715325°E / -32.8789588275; 118.098715325 (Plain Hills) | MAL |
| Plumridge Lakes Nature Reserve | Ia | 308,990 | 22 April 1977 | 29°31′26″S 125°02′35″E / 29.5239164725°S 125.0430733101°E / -29.5239164725; 125.0430733101 (Plumridge Lakes) | GVD, NUL |
| Point Spring Nature Reserve | Ia | 303 | 1 April 1977 | 15°24′12″S 128°53′18″E / 15.4033543546°S 128.888247435°E / -15.4033543546; 128.888247435 (Point Spring) | VIB |
| Poison Gully Nature Reserve | Ia | 87 | 21 September 1928 | 31°27′53″S 116°23′46″E / 31.4647830316°S 116.396203961°E / -31.4647830316; 116.396203961 (Poison Gully) | JAF |
| Pootenup Nature Reserve | Ia | 47 | 27 May 1983 | 34°14′06″S 117°38′39″E / 34.2350102325°S 117.6442926848°E / -34.2350102325; 117.6442926848 (Pootenup) | AVW |
| Port Kennedy Scientific Park Nature Reserve | Ia | 693 | 12 March 1996 | 32°23′01″S 115°44′35″E / 32.38358789°S 115.7429860702°E / -32.38358789; 115.7429860702 (Port Kennedy Scientific Park) | SWA |
| Powlalup Nature Reserve | Ia | 67 | 9 October 1959 | 33°51′35″S 115°54′50″E / 33.8597937439°S 115.9140272935°E / -33.8597937439; 115.9140272935 (Powlalup) | JAF |
| Protheroe Nature Reserve | Ia | 68 | 18 December 1964 | 28°30′31″S 114°44′34″E / 28.5087316515°S 114.7427017536°E / -28.5087316515; 114.7427017536 (Protheroe) | GES |
| Quagering Nature Reserve | Ia | 33 | 20 June 1958 | 34°51′58″S 116°02′20″E / 34.8660997°S 116.0390009863°E / -34.8660997; 116.0390009863 (Quagering) | WAR |
| Quairading Spring Nature Reserve | Ia | 29 | 8 May 1908 | 32°02′49″S 117°24′27″E / 32.0470139995°S 117.4074055817°E / -32.0470139995; 117.4074055817 (Quairading Spring) | AVW |
| Quarram Nature Reserve | Ia | 3,825 | 6 February 1976 | 35°00′31″S 117°00′12″E / 35.0086282575°S 117.0033975188°E / -35.0086282575; 117.0033975188 (Quarram) | WAR |
| Queen Victoria Spring Nature Reserve | Ia | 272,598 | 21 August 1970 | 30°23′36″S 123°31′09″E / 30.39321398°S 123.5191732442°E / -30.39321398; 123.5191732442 (Queen Victoria Spring) | COO, GVD, MUR |
| Quindinup Nature Reserve | Ia | 2,653 | 15 January 1960 | 34°24′55″S 116°51′12″E / 34.4153011505°S 116.8533998722°E / -34.4153011505; 116.8533998722 (Quindinup) | JAF |
| Quins Hill Nature Reserve | Ia | 9 | 24 February 1995 | 30°59′09″S 115°47′01″E / 30.9857522915°S 115.7836215907°E / -30.9857522915; 115.7836215907 (Quins Hill) | SWA |
| Quongunnerunding Nature Reserve | Ia | 274 | 24 February 1989 | 33°00′19″S 117°27′42″E / 33.005323394°S 117.4616695594°E / -33.005323394; 117.4616695594 (Quongunnerunding) | AVW |
| Randell Road Nature Reserve | Ia | 445 | 11 January 1963 | 34°27′57″S 117°12′04″E / 34.465725208°S 117.2010360212°E / -34.465725208; 117.2010360212 (Randell Road) | JAF |
| Recherche Archipelago Nature Reserve | Ia | 7,145 | 21 May 1948 | 34°06′06″S 123°11′16″E / 34.101740315°S 123.1877941827°E / -34.101740315; 123.1877941827 (Recherche Archipelago) | ESP |
| Red Hill Nature Reserve | Ia | 253 | 26 June 1970 | 33°47′02″S 116°44′31″E / 33.7838468715°S 116.7420015257°E / -33.7838468715; 116.7420015257 (Red Hill) | JAF |
| Red Lake Nature Reserve | Ia | 54 | 3 September 1920 | 32°11′57″S 118°05′28″E / 32.1992898215°S 118.0909988774°E / -32.1992898215; 118.0909988774 (Red Lake) | AVW |
| Red Lake Townsite Nature Reserve | Ia | 76 | 14 March 1969 | 33°08′46″S 121°42′06″E / 33.1460361134°S 121.701569986°E / -33.1460361134; 121.701569986 (Red Lake Townsite) | MAL |
| Redmond Road Nature Reserve | Ia | 52 | 25 August 1972 | 34°56′55″S 117°20′03″E / 34.948552702°S 117.3341919648°E / -34.948552702; 117.3341919648 (Redmond Road) | WAR |
| Reen Road Nature Reserve | Ia | 97 | 8 November 2019 | 31°43′36″S 116°09′32″E / 31.7265783691°S 116.158860983°E / -31.7265783691; 116.158860983 (Reen Road) | JAF |
| Rica Erickson Nature Reserve | Ia | 124 | 4 June 1965 | 31°08′52″S 116°18′07″E / 31.1477079092°S 116.301881297°E / -31.1477079092; 116.301881297 (Rica Erickson) | JAF |
| Ridley North Nature Reserve | Ia | 393 | 30 September 1966 | 33°13′18″S 121°51′15″E / 33.2216138045°S 121.8542754482°E / -33.2216138045; 121.8542754482 (Ridley North) | MAL |
| Ridley South Nature Reserve | Ia | 1,106 | 8 October 1965 | 33°15′58″S 121°48′25″E / 33.2662284005°S 121.806864885°E / -33.2662284005; 121.806864885 (Ridley South) | MAL |
| Riverdale Nature Reserve | Ia | 38 | 8 April 1910 | 32°59′25″S 115°47′07″E / 32.990273448°S 115.7851580768°E / -32.990273448; 115.7851580768 (Riverdale) | SWA |
| Roach Nature Reserve | Ia | 258 | 22 August 1969 | 31°58′30″S 118°20′05″E / 31.9749363192°S 118.334611594°E / -31.9749363192; 118.334611594 (Roach) | AVW |
| Rock Hole Dam Nature Reserve | Ia | 257 | 29 September 1892 | 34°17′14″S 117°17′33″E / 34.287327492°S 117.292523711°E / -34.287327492; 117.292523711 (Rock Hole Dam) | JAF |
| Rock View Nature Reserve | Ia | 1,733 | 31 January 1969 | 32°54′41″S 119°01′43″E / 32.9114660675°S 119.0286016399°E / -32.9114660675; 119.0286016399 (Rock View) | MAL |
| Roe Nature Reserve | Ia | 1,246 | 7 February 1930 | 32°19′30″S 118°42′13″E / 32.325085307°S 118.7036651745°E / -32.325085307; 118.7036651745 (Roe) | MAL |
| Rogers Nature Reserve | Ia | 341 | 9 August 1985 | 30°50′56″S 116°39′42″E / 30.8489925618°S 116.661643831°E / -30.8489925618; 116.661643831 (Rogers) | AVW |
| Rose Road Nature Reserve | Ia | 50 | 6 August 1976 | 32°48′19″S 118°19′23″E / 32.805331055°S 118.3230703163°E / -32.805331055; 118.3230703163 (Rose Road) | MAL |
| Rosedale Nature Reserve | Ia | 134 | 29 January 1932 | 32°49′47″S 117°09′32″E / 32.8297730043°S 117.158997575°E / -32.8297730043; 117.158997575 (Rosedale) | AVW |
| Round Island Nature Reserve | Ia | 7 | 15 June 1993 | 21°38′45″S 114°39′15″E / 21.6458635165°S 114.6542544776°E / -21.6458635165; 114.6542544776 (Round Island) | CAR |
| Ruabon Townsite Nature Reserve | Ia | 33 | 2 May 1975 | 33°38′41″S 115°30′32″E / 33.644652085°S 115.5088668241°E / -33.644652085; 115.5088668241 (Ruabon Townsite) | SWA |
| Rudyard Beach Nature Reserve | Ia | 38 | 18 August 1950 | 34°58′53″S 117°25′25″E / 34.981462917°S 117.4236361255°E / -34.981462917; 117.4236361255 (Rudyard Beach) | WAR |
| Rugged Hills Nature Reserve | Ia | 254 | 27 September 1935 | 31°30′42″S 116°23′34″E / 31.511655958°S 116.3927750087°E / -31.511655958; 116.3927750087 (Rugged Hills) | JAF |
| Sabina Nature Reserve | Ia | 102 | 11 February 1972 | 33°38′47″S 115°23′58″E / 33.6463586535°S 115.399486811°E / -33.6463586535; 115.399486811 (Sabina) | SWA |
| Salt Lake Nature Reserve | Ia | 151 | 16 December 1960 | 34°18′11″S 117°48′05″E / 34.303000342°S 117.8014113165°E / -34.303000342; 117.8014113165 (Salt Lake) | AVW |
| Sand Spring Well Nature Reserve | Ia | 19 | 16 April 1915 | 31°10′23″S 115°44′33″E / 31.1731579723°S 115.7425630775°E / -31.1731579723; 115.7425630775 (Sand Spring Well) | SWA |
| Sandford Rocks Nature Reserve | Ia | 807 | 9 May 1889 | 31°13′51″S 118°44′58″E / 31.230741963°S 118.7495684452°E / -31.230741963; 118.7495684452 (Sandford Rocks) | AVW |
| Sawyers Nature Reserve | Ia | 16 | 7 September 1923 | 30°20′17″S 117°02′31″E / 30.338109951°S 117.0420315025°E / -30.338109951; 117.0420315025 (Sawyers) | AVW |
| Scotsdale Road Nature Reserve | Ia | 23 | 2 November 1951 | 34°56′16″S 117°21′07″E / 34.937773758°S 117.351844828°E / -34.937773758; 117.351844828 (Scotsdale Road) | WAR |
| Scriveners Nature Reserve | Ia | 903 | 25 February 1921 | 32°24′44″S 118°42′58″E / 32.412137321°S 118.7161340675°E / -32.412137321; 118.7161340675 (Scriveners) | MAL |
| Seagroatt Nature Reserve | Ia | 1,149 | 8 August 1958 | 32°07′39″S 118°09′39″E / 32.1273779262°S 118.16070729°E / -32.1273779262; 118.16070729 (Seagroatt) | AVW |
| Seal Island (WA25645) Nature Reserve | Ia | 4 | 27 May 1960 | 34°22′48″S 115°09′25″E / 34.37997924°S 115.157027543°E / -34.37997924; 115.157027543 (Seal Island (WA25645)) | WAR |
| Seal Island (WA32199) Nature Reserve | Ia | 3 | 10 August 1973 | 35°04′32″S 117°58′29″E / 35.0754207255°S 117.9745838572°E / -35.0754207255; 117.9745838572 (Seal Island (WA32199)) | WAR |
| Serrurier Island Nature Reserve | Ia | 351 | 23 January 1976 | 21°36′26″S 114°40′50″E / 21.6071176609°S 114.6806133475°E / -21.6071176609; 114.6806133475 (Serrurier Island) | CAR |
| Sevenmile Well Nature Reserve | Ia | 52 | 25 January 1901 | 31°03′45″S 116°12′08″E / 31.062513876°S 116.2021616211°E / -31.062513876; 116.2021616211 (Sevenmile Well) | JAF |
| Sewell Nature Reserve | Ia | 73 | 30 September 1904 | 32°33′05″S 117°46′48″E / 32.551442043°S 117.7800267516°E / -32.551442043; 117.7800267516 (Sewell) | AVW |
| Shackleton Nature Reserve | Ia | 447 | 3 August 1956 | 31°54′11″S 117°49′49″E / 31.9030044835°S 117.830287416°E / -31.9030044835; 117.830287416 (Shackleton) | AVW |
| Shark Lake Nature Reserve | Ia | 11 | 21 January 1972 | 33°46′02″S 121°51′37″E / 33.767117295°S 121.860265887°E / -33.767117295; 121.860265887 (Shark Lake) | ESP |
| Shelter Island Nature Reserve | Ia | 10 | 30 March 1973 | 35°03′03″S 117°41′34″E / 35.0508693014°S 117.6928869115°E / -35.0508693014; 117.6928869115 (Shelter Island) | WAR |
| Silver Wattle Hill Nature Reserve | Ia | 1,660 | 15 March 1968 | 33°10′25″S 118°49′20″E / 33.1735319387°S 118.8221570515°E / -33.1735319387; 118.8221570515 (Silver Wattle Hill) | MAL |
| Six Mile Road Nature Reserve | Ia | 16 | 2 November 1962 | 33°52′14″S 116°28′23″E / 33.8705375533°S 116.47294248°E / -33.8705375533; 116.47294248 (Six Mile Road) | JAF |
| Ski Lake Nature Reserve | Ia | 93 | 26 June 1992 | 32°02′52″S 118°31′32″E / 32.0478000022°S 118.525438811°E / -32.0478000022; 118.525438811 (Ski Lake) | AVW |
| Sleeman Creek Nature Reserve | Ia | 416 | 3 October 1924 | 34°50′10″S 117°38′36″E / 34.836004754°S 117.6433473541°E / -34.836004754; 117.6433473541 (Sleeman Creek) | JAF |
| Sloss Nature Reserve | Ia | 366 | 4 August 1911 | 31°58′57″S 118°58′58″E / 31.9824031115°S 118.98278784°E / -31.9824031115; 118.98278784 (Sloss) | AVW |
| Smith Brook Nature Reserve | Ia | 96 | 12 April 1912 | 34°21′05″S 116°10′22″E / 34.3513034875°S 116.1727484995°E / -34.3513034875; 116.1727484995 (Smith Brook) | JAF, WAR |
| Snake Gully Nature Reserve | Ia | 300 | 24 August 1906 | 30°12′48″S 116°57′53″E / 30.2132038045°S 116.9646740441°E / -30.2132038045; 116.9646740441 (Snake Gully) | AVW |
| Sorensens Nature Reserve | Ia | 108 | 1 September 1915 | 32°07′45″S 117°55′10″E / 32.1291838965°S 117.9194100924°E / -32.1291838965; 117.9194100924 (Sorensens) | AVW |
| South Buniche Nature Reserve | Ia | 1,298 | 3 May 1963 | 33°05′40″S 118°47′24″E / 33.0944070525°S 118.7899765387°E / -33.0944070525; 118.7899765387 (South Buniche) | MAL |
| South Eneabba Nature Reserve | Ia | 7,914 | 18 February 1966 | 29°53′33″S 115°15′33″E / 29.8925027312°S 115.259111848°E / -29.8925027312; 115.259111848 (South Eneabba) | GES |
| South Jingalup Nature Reserve | Ia | 551 | 15 July 1921 | 34°01′53″S 116°59′51″E / 34.0315032785°S 116.9974595483°E / -34.0315032785; 116.9974595483 (South Jingalup) | JAF |
| South Kuender Nature Reserve | Ia | 356 | 3 December 1965 | 32°59′24″S 118°32′46″E / 32.9900416435°S 118.5461225415°E / -32.9900416435; 118.5461225415 (South Kuender) | MAL |
| South Kulin Nature Reserve | Ia | 13 | 26 August 1977 | 32°45′29″S 118°03′39″E / 32.757975457°S 118.0609422685°E / -32.757975457; 118.0609422685 (South Kulin) | MAL |
| South Kumminin Nature Reserve | Ia | 95 | 30 December 1983 | 32°11′48″S 118°20′16″E / 32.1966372894°S 118.337887458°E / -32.1966372894; 118.337887458 (South Kumminin) | AVW, MAL |
| South Mimegarra Nature Reserve | Ia | 346 | 16 October 1970 | 30°58′54″S 115°30′32″E / 30.981586053°S 115.508952786°E / -30.981586053; 115.508952786 (South Mimegarra) | SWA |
| South Sister Nature Reserve | Ia | 338 | 21 February 1964 | 34°48′39″S 118°09′02″E / 34.8107300138°S 118.1504369575°E / -34.8107300138; 118.1504369575 (South Sister) | JAF |
| South Stirling Nature Reserve | Ia | 1,715 | 15 March 1963 | 34°35′57″S 118°13′12″E / 34.599274075°S 118.220034395°E / -34.599274075; 118.220034395 (South Stirling) | ESP |
| South Wilgoyne Nature Reserve | Ia | 118 | 11 December 1970 | 30°48′32″S 118°28′28″E / 30.8089051724°S 118.474314478°E / -30.8089051724; 118.474314478 (South Wilgoyne) | AVW |
| Southern Beekeepers Nature Reserve | Ia | 10,863 | 11 May 1979 | 30°23′25″S 115°07′05″E / 30.3902440931°S 115.1181254655°E / -30.3902440931; 115.1181254655 (Southern Beekeepers) | SWA |
| Sparks Road Nature Reserve | Ia | 20 | 27 January 1911 | 32°41′31″S 117°55′37″E / 32.6919823055°S 117.9270336447°E / -32.6919823055; 117.9270336447 (Sparks Road) | AVW |
| Speddingup East Nature Reserve | Ia | 69 | 24 May 1968 | 33°30′44″S 121°45′57″E / 33.5122648577°S 121.765967595°E / -33.5122648577; 121.765967595 (Speddingup East) | ESP |
| Springdale Nature Reserve | Ia | 25 | 8 July 1966 | 33°48′41″S 120°57′02″E / 33.811335688°S 120.9504832859°E / -33.811335688; 120.9504832859 (Springdale) | ESP |
| St Alouarn Island Nature Reserve | Ia | 8 | 27 May 1960 | 34°24′15″S 115°11′44″E / 34.404177444°S 115.195451027°E / -34.404177444; 115.195451027 (St Alouarn Island) | WAR |
| St. Ronans Nature Reserve | Ia | 118 | 23 October 1970 | 31°52′46″S 116°35′35″E / 31.879409692°S 116.5931169597°E / -31.879409692; 116.5931169597 (St. Ronans) | JAF |
| Stinton Cascades Nature Reserve | Ia | 133 | 28 October 1927 | 32°06′10″S 116°06′36″E / 32.1027433835°S 116.1098777979°E / -32.1027433835; 116.1098777979 (Stinton Cascades) | JAF |
| Stockdill Road Nature Reserve | Ia | 56 | 16 May 1986 | 34°15′12″S 115°03′53″E / 34.2533627005°S 115.0647025233°E / -34.2533627005; 115.0647025233 (Stockdill Road) | WAR |
| Strange Road Nature Reserve | Ia | 553 | 11 May 1979 | 32°25′19″S 116°37′17″E / 32.4218635665°S 116.6214110625°E / -32.4218635665; 116.6214110625 (Strange Road) | JAF |
| Strathmore Hill Nature Reserve | Ia | 171 | 5 May 1989 | 33°36′28″S 117°21′36″E / 33.6078461397°S 117.3598885515°E / -33.6078461397; 117.3598885515 (Strathmore Hill) | AVW |
| Stretton Road Nature Reserve | Ia | 60 | 21 June 1907 | 32°32′15″S 118°09′10″E / 32.5376219705°S 118.1528860234°E / -32.5376219705; 118.1528860234 (Stretton Road) | MAL |
| Sugar Loaf Rock Nature Reserve | Ia | 1 | 29 September 1972 | 33°33′33″S 115°00′19″E / 33.5592869622°S 115.0051641235°E / -33.5592869622; 115.0051641235 (Sugar Loaf Rock) | JAF |
| Swan Island Nature Reserve | Ia | 29 | 17 September 1976 | 16°21′05″S 123°02′44″E / 16.351280593°S 123.0454383296°E / -16.351280593; 123.0454383296 (Swan Island) | DAL |
| Swan Lagoon Nature Reserve | Ia | 347 | 18 December 1903 | 33°16′23″S 121°38′57″E / 33.2729472555°S 121.6490798455°E / -33.2729472555; 121.6490798455 (Swan Lagoon) | MAL |
| Sweetman Nature Reserve | Ia | 63 | 8 November 1974 | 29°30′10″S 115°39′35″E / 29.5027002715°S 115.6597511125°E / -29.5027002715; 115.6597511125 (Sweetman) | AVW |
| Taarblin Lake Nature Reserve | Ia | 1,013 | 24 February 1905 | 32°57′37″S 117°33′11″E / 32.9601662774°S 117.553107699°E / -32.9601662774; 117.553107699 (Taarblin Lake) | AVW |
| Takenup Road Nature Reserve | Ia | 10 | 14 December 1962 | 34°44′28″S 117°59′57″E / 34.741006295°S 117.9990949329°E / -34.741006295; 117.9990949329 (Takenup Road) | JAF |
| Talbot Road Nature Reserve | Ia | 87 | 16 September 2019 | 31°51′55″S 116°02′57″E / 31.865387382°S 116.0491020329°E / -31.865387382; 116.0491020329 (Talbot Road) | SWA |
| Tammin Railway Dam Nature Reserve | Ia | 256 | 1 August 1952 | 31°40′01″S 117°32′53″E / 31.667049122°S 117.5481652714°E / -31.667049122; 117.5481652714 (Tammin Railway Dam) | AVW |
| Tank Hill Nature Reserve | Ia | 702 | 24 July 1970 | 31°27′48″S 118°24′21″E / 31.4633958668°S 118.4058213315°E / -31.4633958668; 118.4058213315 (Tank Hill) | AVW |
| Tanner Island Nature Reserve | Ia | 1 | 1 December 2000 | 16°05′38″S 123°31′46″E / 16.093970184°S 123.5294070814°E / -16.093970184; 123.5294070814 (Tanner Island) | NOK |
| Tapper Road Nature Reserve | Ia | 117 | 14 November 1975 | 32°36′36″S 119°32′04″E / 32.60991534°S 119.5344569842°E / -32.60991534; 119.5344569842 (Tapper Road) | MAL |
| Tarin Rock Nature Reserve | Ia | 2,011 | 29 July 1960 | 33°05′56″S 118°10′07″E / 33.098893245°S 118.1687092741°E / -33.098893245; 118.1687092741 (Tarin Rock) | MAL |
| Tennessee North Nature Reserve | Ia | 16 | 24 September 1915 | 35°02′18″S 117°33′34″E / 35.0383153037°S 117.559414031°E / -35.0383153037; 117.559414031 (Tennessee North) | WAR |
| Tent Island Nature Reserve | Ia | 2,015 | 15 June 1993 | 22°01′21″S 114°31′23″E / 22.0224872868°S 114.5230165125°E / -22.0224872868; 114.5230165125 (Tent Island) | CAR |
| Tenterden Nature Reserve | Ia | 81 | 12 February 1971 | 34°21′39″S 117°33′50″E / 34.360969195°S 117.5637704451°E / -34.360969195; 117.5637704451 (Tenterden) | JAF |
| The Forty Four Mile Nature Reserve | Ia | 549 | 21 March 1930 | 28°40′01″S 115°13′16″E / 28.666894386°S 115.221083347°E / -28.666894386; 115.221083347 (The Forty Four Mile) | GES |
| The Tubbs Nature Reserve | Ia | 13 | 6 August 1976 | 28°11′11″S 114°51′26″E / 28.186359199°S 114.857356897°E / -28.186359199; 114.857356897 (The Tubbs) | GES |
| Thomsons Lake Nature Reserve | Ia | 551 | 8 August 1955 | 32°09′02″S 115°49′47″E / 32.1505479605°S 115.8297834291°E / -32.1505479605; 115.8297834291 (Thomsons Lake) | SWA |
| Three Swamps Nature Reserve | Ia | 357 | 12 January 1962 | 34°13′07″S 117°56′40″E / 34.2186669912°S 117.9445505305°E / -34.2186669912; 117.9445505305 (Three Swamps) | MAL |
| Throssell Nature Reserve | Ia | 18 | 20 September 1912 | 31°37′14″S 116°51′27″E / 31.6206631144°S 116.857470099°E / -31.6206631144; 116.857470099 (Throssell) | AVW |
| Timaru Nature Reserve | Ia | 75 | 27 November 2001 | 31°27′34″S 115°54′51″E / 31.4594226535°S 115.9141013719°E / -31.4594226535; 115.9141013719 (Timaru) | SWA |
| Tinkelelup Nature Reserve | Ia | 576 | 2 March 1962 | 34°40′27″S 118°27′02″E / 34.6741251841°S 118.450578188°E / -34.6741251841; 118.450578188 (Tinkelelup) | ESP |
| Tone-Perup Nature Reserve | Ia | 55,935 | 8 December 2004 | 34°13′38″S 116°35′42″E / 34.2273241145°S 116.5951015576°E / -34.2273241145; 116.5951015576 (Tone-Perup) | JAF |
| Toolibin Nature Reserve | Ia | 497 | 12 October 1956 | 32°55′01″S 117°36′33″E / 32.9170128156°S 117.609040011°E / -32.9170128156; 117.609040011 (Toolibin) | AVW |
| Toolonga Nature Reserve | Ia | 404,558 | 9 September 1988 | 26°59′58″S 114°57′51″E / 26.9993537336°S 114.9640701685°E / -26.9993537336; 114.9640701685 (Toolonga) | CAR, MUR, YAL |
| Toompup Nature Reserve | Ia | 209 | 28 October 1966 | 34°00′33″S 118°25′49″E / 34.0091868275°S 118.4303674257°E / -34.0091868275; 118.4303674257 (Toompup) | MAL |
| Tootanellup Nature Reserve | Ia | 944 | 24 November 1944 | 34°29′38″S 117°07′15″E / 34.493768192°S 117.1208737274°E / -34.493768192; 117.1208737274 (Tootanellup) | JAF |
| Towerrining Nature Reserve | Ia | 162 | 21 March 1958 | 33°34′52″S 116°47′10″E / 33.581169325°S 116.786033032°E / -33.581169325; 116.786033032 (Towerrining) | JAF |
| Trigwell Nature Reserve | Ia | 244 | 19 February 1954 | 33°37′40″S 116°34′17″E / 33.6276674599°S 116.5714871045°E / -33.6276674599; 116.5714871045 (Trigwell) | JAF |
| Truslove North Nature Reserve | Ia | 194 | 5 October 1917 | 33°20′24″S 121°42′42″E / 33.3398830846°S 121.711776846°E / -33.3398830846; 121.711776846 (Truslove North) | MAL |
| Truslove Townsite Nature Reserve | Ia | 6,066 | 4 February 1966 | 33°23′10″S 121°49′08″E / 33.386132948°S 121.8187998051°E / -33.386132948; 121.8187998051 (Truslove Townsite) | MAL |
| Tutanning Nature Reserve | Ia | 2,420 | 12 February 1960 | 32°33′38″S 117°20′51″E / 32.5605406835°S 117.3476318632°E / -32.5605406835; 117.3476318632 (Tutanning) | AVW |
| Twin Swamps Nature Reserve | IV | 155 | 30 September 1966 | 31°43′17″S 116°00′57″E / 31.721280879°S 116.0159248557°E / -31.721280879; 116.0159248557 (Twin Swamps) | SWA |
| Two Peoples Bay Nature Reserve | IV | 4,745 | 22 April 1966 | 34°59′14″S 118°09′53″E / 34.987154449°S 118.164595626°E / -34.987154449; 118.164595626 (Two Peoples Bay) | JAF |
| Twongkup Nature Reserve | Ia | 81 | 20 October 1892 | 34°19′29″S 117°26′39″E / 34.3247642936°S 117.4440559725°E / -34.3247642936; 117.4440559725 (Twongkup) | AVW, JAF |
| Twyata Nature Reserve | Ia | 152 | 11 September 1964 | 30°21′40″S 115°29′01″E / 30.3611702521°S 115.4836651145°E / -30.3611702521; 115.4836651145 (Twyata) | GES |
| Udumung Nature Reserve | Ia | 202 | 31 March 1905 | 31°10′54″S 116°10′27″E / 31.1815384483°S 116.1742691755°E / -31.1815384483; 116.1742691755 (Udumung) | JAF |
| Ulva Nature Reserve | Ia | 59 | 25 May 1958 | 31°35′37″S 118°11′10″E / 31.593567975°S 118.1860317993°E / -31.593567975; 118.1860317993 (Ulva) | AVW |
| Unicup Nature Reserve | Ia | 3,296 | 2 December 1960 | 34°21′16″S 116°43′24″E / 34.3545737729°S 116.7233364645°E / -34.3545737729; 116.7233364645 (Unicup) | JAF |
| Urawa Nature Reserve | Ia | 8,765 | 11 July 1975 | 28°13′57″S 115°36′11″E / 28.2325697909°S 115.603141661°E / -28.2325697909; 115.603141661 (Urawa) | AVW, YAL |
| Utcha Well Nature Reserve | Ia | 312 | 25 December 1883 | 28°04′27″S 114°11′36″E / 28.0742264478°S 114.1932941045°E / -28.0742264478; 114.1932941045 (Utcha Well) | GES |
| Vagg Nature Reserve | Ia | 108 | 26 April 1929 | 33°07′50″S 117°36′48″E / 33.1306008285°S 117.6132207564°E / -33.1306008285; 117.6132207564 (Vagg) | AVW |
| Victor Island Nature Reserve | Ia | 19 | 15 June 1993 | 21°55′20″S 114°25′55″E / 21.9221778074°S 114.43191775°E / -21.9221778074; 114.43191775 (Victor Island) | CAR |
| Victoria Rock Nature Reserve | Ia | 259 | 2 January 1903 | 31°17′48″S 120°55′35″E / 31.2966671655°S 120.9263776464°E / -31.2966671655; 120.9263776464 (Victoria Rock) | COO |
| Wagin Lake Nature Reserve | Ia | 116 | 24 August 1911 | 33°19′46″S 117°20′53″E / 33.32955854°S 117.3480082805°E / -33.32955854; 117.3480082805 (Wagin Lake) | AVW |
| Wahkinup Nature Reserve | Ia | 81 | 28 April 1905 | 33°54′09″S 116°45′29″E / 33.9026333809°S 116.75815809°E / -33.9026333809; 116.75815809 (Wahkinup) | JAF |
| Walburra Nature Reserve | Ia | 22 | 27 September 1929 | 33°47′30″S 115°07′08″E / 33.7916165407°S 115.118979733°E / -33.7916165407; 115.118979733 (Walburra) | JAF |
| Walbyring Nature Reserve | Ia | 144 | 1 November 1912 | 32°56′01″S 117°35′25″E / 32.933690167°S 117.5903852596°E / -32.933690167; 117.5903852596 (Walbyring) | AVW |
| Walcancobbing Nature Reserve | Ia | 592 | 14 July 1978 | 31°14′31″S 117°54′01″E / 31.2420449596°S 117.900189568°E / -31.2420449596; 117.900189568 (Walcancobbing) | AVW |
| Walk Walkin Nature Reserve | Ia | 241 | 22 November 1957 | 30°48′33″S 117°19′10″E / 30.8092472306°S 117.3195547435°E / -30.8092472306; 117.3195547435 (Walk Walkin) | AVW |
| Wallaby Hills Nature Reserve | Ia | 59 | 21 March 1986 | 31°50′58″S 116°59′08″E / 31.8494072601°S 116.9855390285°E / -31.8494072601; 116.9855390285 (Wallaby Hills) | AVW |
| Wallambin Nature Reserve | Ia | 122 | 2 July 1937 | 31°01′12″S 117°29′54″E / 31.0201152934°S 117.4983437615°E / -31.0201152934; 117.4983437615 (Wallambin) | AVW |
| Walyahmoning Nature Reserve | Ia | 20,925 | 16 March 1979 | 30°36′57″S 118°45′17″E / 30.6158071485°S 118.7548167451°E / -30.6158071485; 118.7548167451 (Walyahmoning) | COO |
| Walyormouring Nature Reserve | Ia | 294 | 14 March 1919 | 31°08′53″S 116°52′24″E / 31.1480131209°S 116.8732627185°E / -31.1480131209; 116.8732627185 (Walyormouring) | AVW |
| Wamballup Nature Reserve | Ia | 474 | 6 August 1909 | 34°30′54″S 117°27′05″E / 34.5149424665°S 117.4514184424°E / -34.5149424665; 117.4514184424 (Wamballup) | JAF |
| Wambyn Nature Reserve | Ia | 215 | 6 April 1939 | 31°54′02″S 116°38′15″E / 31.9006850765°S 116.6375766784°E / -31.9006850765; 116.6375766784 (Wambyn) | AVW, JAF |
| Wamenusking Nature Reserve | Ia | 47 | 24 March 1916 | 32°07′33″S 117°30′49″E / 32.1257830965°S 117.5135353176°E / -32.1257830965; 117.5135353176 (Wamenusking) | AVW |
| Wanagarren Nature Reserve | Ia | 11,081 | 8 December 1972 | 30°46′00″S 115°13′18″E / 30.7665685665°S 115.2217017085°E / -30.7665685665; 115.2217017085 (Wanagarren) | SWA |
| Wandana Nature Reserve | Ia | 53,453 | 7 December 1979 | 28°09′48″S 115°13′17″E / 28.1632739775°S 115.221381639°E / -28.1632739775; 115.221381639 (Wandana) | GES, YAL |
| Wandi Nature Reserve | Ia | 31 | 6 July 1979 | 32°12′09″S 115°52′15″E / 32.2025192°S 115.8709123088°E / -32.2025192; 115.8709123088 (Wandi) | SWA |
| Wandjagill Nature Reserve | Ia | 764 | 17 March 1961 | 32°04′25″S 118°09′04″E / 32.0735831148°S 118.151057411°E / -32.0735831148; 118.151057411 (Wandjagill) | AVW |
| Wandoora Nature Reserve | Ia | 22 | 10 November 1916 | 34°11′24″S 116°54′51″E / 34.1899803353°S 116.914248097°E / -34.1899803353; 116.914248097 (Wandoora) | JAF |
| Wangeling Gully Nature Reserve | Ia | 85 | 27 October 1905 | 33°13′14″S 117°05′39″E / 33.220618834°S 117.0942867219°E / -33.220618834; 117.0942867219 (Wangeling Gully) | AVW |
| Wanjarri Nature Reserve | Ia | 52,490 | 18 June 1971 | 27°22′28″S 120°43′18″E / 27.3744385715°S 120.7216416039°E / -27.3744385715; 120.7216416039 (Wanjarri) | MUR |
| Wansbrough Nature Reserve | Ia | 126 | 14 July 1978 | 34°08′53″S 117°39′58″E / 34.1480022937°S 117.666013416°E / -34.1480022937; 117.666013416 (Wansbrough) | AVW |
| Wardering Lake Nature Reserve | Ia | 43 | 4 July 1919 | 33°31′49″S 117°14′54″E / 33.5301757925°S 117.2483751094°E / -33.5301757925; 117.2483751094 (Wardering Lake) | AVW |
| Warramuggan Nature Reserve | Ia | 249 | 2 July 1915 | 30°58′03″S 117°27′04″E / 30.967411441°S 117.45124228°E / -30.967411441; 117.45124228 (Warramuggan) | AVW |
| Warranine Nature Reserve | Ia | 35 | 8 November 1985 | 31°44′39″S 116°32′16″E / 31.744291178°S 116.537754128°E / -31.744291178; 116.537754128 (Warranine) | JAF |
| Warrawah Nature Reserve | Ia | 77 | 4 June 1954 | 28°45′12″S 115°34′43″E / 28.7534033415°S 115.5787482311°E / -28.7534033415; 115.5787482311 (Warrawah) | AVW, GES |
| Warrenup Nature Reserve | Ia | 251 | 17 December 1891 | 34°20′32″S 117°15′24″E / 34.3420923945°S 117.2565381401°E / -34.3420923945; 117.2565381401 (Warrenup) | JAF |
| Watkins Road Nature Reserve | Ia | 54 | 25 November 1949 | 32°18′02″S 116°00′08″E / 32.300546472°S 116.0021839469°E / -32.300546472; 116.0021839469 (Watkins Road) | SWA |
| Wattening Nature Reserve | Ia | 50 | 28 September 1893 | 31°19′01″S 116°33′51″E / 31.317053662°S 116.5642059246°E / -31.317053662; 116.5642059246 (Wattening) | AVW |
| Weam Nature Reserve | Ia | 226 | 13 September 1968 | 32°22′33″S 117°06′26″E / 32.375833079°S 117.1072374469°E / -32.375833079; 117.1072374469 (Weam) | AVW |
| Wedge Island Nature Reserve | Ia | 4 | 9 August 1968 | 30°49′41″S 115°11′18″E / 30.8281456885°S 115.1882813684°E / -30.8281456885; 115.1882813684 (Wedge Island) | SWA |
| Wedgengully Nature Reserve | Ia | 22 | 28 November 1876 | 32°27′52″S 117°56′54″E / 32.4643759215°S 117.9484272488°E / -32.4643759215; 117.9484272488 (Wedgengully) | AVW |
| Weelhamby Lake Nature Reserve | Ia | 460 | 16 May 1969 | 29°17′23″S 116°25′02″E / 29.2897796722°S 116.4171035275°E / -29.2897796722; 116.4171035275 (Weelhamby Lake) | AVW |
| Weira Nature Reserve | Ia | 86 | 30 July 1993 | 30°58′34″S 118°22′40″E / 30.9761217295°S 118.3778777595°E / -30.9761217295; 118.3778777595 (Weira) | AVW |
| Weirmonger Nature Reserve | Ia | 8 | 26 August 1927 | 28°24′04″S 115°05′32″E / 28.4011658433°S 115.0922120697°E / -28.4011658433; 115.0922120697 (Weirmonger) | GES |
| Weld Island Nature Reserve | Ia | 23 | 15 June 1993 | 21°23′07″S 115°32′39″E / 21.38519495°S 115.5441679185°E / -21.38519495; 115.5441679185 (Weld Island) | PIL |
| Wellard Nature Reserve | Ia | 10 | 6 July 1894 | 33°03′07″S 115°48′59″E / 33.052055239°S 115.8163071755°E / -33.052055239; 115.8163071755 (Wellard) | SWA |
| Welsh Nature Reserve | Ia | 1,717 | 17 April 1970 | 31°57′49″S 119°07′16″E / 31.9636322722°S 119.121161007°E / -31.9636322722; 119.121161007 (Welsh) | AVW |
| West Mount Mason Nature Reserve | Ia | 9 | 18 August 1967 | 34°57′58″S 118°00′17″E / 34.9662015371°S 118.0048486825°E / -34.9662015371; 118.0048486825 (West Mount Mason) | JAF |
| West Perenjori Nature Reserve | Ia | 347 | 31 May 1963 | 29°28′10″S 116°12′11″E / 29.4695015516°S 116.2030860825°E / -29.4695015516; 116.2030860825 (West Perenjori) | AVW |
| Westmere Nature Reserve | Ia | 16 | 30 November 1981 | 32°54′44″S 116°46′57″E / 32.9121003083°S 116.782561814°E / -32.9121003083; 116.782561814 (Westmere) | JAF |
| Whalebone Island Nature Reserve | Ia | 2 | 15 June 1993 | 22°11′41″S 114°22′46″E / 22.194761065°S 114.3795482477°E / -22.194761065; 114.3795482477 (Whalebone Island) | [2] |
| Whin Bin Rock Nature Reserve | Ia | 34 | 4 June 1965 | 33°04′53″S 117°26′21″E / 33.081400858°S 117.4392967862°E / -33.081400858; 117.4392967862 (Whin Bin Rock) | AVW |
| Whistler Nature Reserve | Ia | 18 | 14 March 1975 | 34°23′31″S 116°05′42″E / 34.3920668111°S 116.0950747145°E / -34.3920668111; 116.0950747145 (Whistler) | WAR |
| White Gums Nature Reserve | Ia | 160 | 17 May 1963 | 29°45′48″S 115°23′56″E / 29.7632796505°S 115.3989680838°E / -29.7632796505; 115.3989680838 (White Gums) | GES |
| White Lake Nature Reserve | Ia | 174 | 14 March 1980 | 34°46′09″S 118°09′43″E / 34.7691916893°S 118.161814607°E / -34.7691916893; 118.161814607 (White Lake) | JAF |
| Whitmore, Roberts, Doole Islands and Sandalwood Landing Nature Reserve | Ia | 546 | 15 June 1993 | 22°28′17″S 114°09′37″E / 22.471401037°S 114.16024378°E / -22.471401037; 114.16024378 (Whitmore, Roberts, Doole Islands and Sandalwood Landing) | CAR |
| Wialkutting Nature Reserve | Ia | 65 | 21 June 1912 | 32°05′29″S 117°49′02″E / 32.0914739845°S 117.8173189503°E / -32.0914739845; 117.8173189503 (Wialkutting) | AVW |
| Wild Horse Swamp Nature Reserve | Ia | 294 | 23 September 1890 | 33°40′45″S 116°43′22″E / 33.679238595°S 116.7226597198°E / -33.679238595; 116.7226597198 (Wild Horse Swamp) | JAF |
| Wilga Nature Reserve | Ia | 32 | 3 May 1968 | 33°41′55″S 116°14′12″E / 33.698620401°S 116.236599807°E / -33.698620401; 116.236599807 (Wilga) | JAF |
| Wilgarrup Nature Reserve | Ia | 85 | 8 October 1909 | 34°07′28″S 116°10′10″E / 34.1245606656°S 116.169578002°E / -34.1245606656; 116.169578002 (Wilgarrup) | JAF |
| Williams Nature Reserve | Ia | 206 | 20 March 1936 | 33°01′25″S 116°51′14″E / 33.0235921678°S 116.8540159745°E / -33.0235921678; 116.8540159745 (Williams) | JAF |
| Willoughby Nature Reserve | Ia | 693 | 9 October 1964 | 33°35′39″S 118°27′45″E / 33.594116734°S 118.4625738697°E / -33.594116734; 118.4625738697 (Willoughby) | MAL |
| Wills Nature Reserve | Ia | 36 | 26 August 1983 | 32°22′10″S 116°44′21″E / 32.3693539369°S 116.7391676335°E / -32.3693539369; 116.7391676335 (Wills) | JAF |
| Wilroy Nature Reserve | Ia | 331 | 9 February 1962 | 28°38′11″S 115°38′26″E / 28.6363935135°S 115.6404760256°E / -28.6363935135; 115.6404760256 (Wilroy) | AVW |
| Wilson Nature Reserve | Ia | 1,099 | 12 August 1983 | 29°32′17″S 115°26′28″E / 29.5380657805°S 115.4410078645°E / -29.5380657805; 115.4410078645 (Wilson) | GES |
| Wingedine Nature Reserve | Ia | 254 | 10 March 1967 | 33°35′41″S 117°14′05″E / 33.5947333827°S 117.2347919525°E / -33.5947333827; 117.2347919525 (Wingedine) | AVW |
| Wockallarry Nature Reserve | Ia | 208 | 24 December 1968 | 31°27′29″S 119°16′32″E / 31.4579841545°S 119.2754172454°E / -31.4579841545; 119.2754172454 (Wockallarry) | AVW, COO |
| Wogerlin Nature Reserve | Ia | 94 | 14 May 1976 | 32°10′18″S 117°50′35″E / 32.171680642°S 117.8431664515°E / -32.171680642; 117.8431664515 (Wogerlin) | AVW |
| Wokatherra Nature Reserve | Ia | 112 | 8 November 1985 | 28°39′03″S 114°39′24″E / 28.6508050028°S 114.6567325945°E / -28.6508050028; 114.6567325945 (Wokatherra) | GES |
| Wongamine Nature Reserve | Ia | 299 | 31 October 1975 | 31°29′30″S 116°35′11″E / 31.4916604005°S 116.586494421°E / -31.4916604005; 116.586494421 (Wongamine) | AVW |
| Wongan Hills Nature Reserve | Ia | 417 | 15 August 1975 | 30°48′24″S 116°38′12″E / 30.8066599156°S 116.6367743445°E / -30.8066599156; 116.6367743445 (Wongan Hills) | AVW |
| Wongonderrah Nature Reserve | Ia | 439 | 9 March 1962 | 30°33′56″S 115°21′25″E / 30.565680281°S 115.3570460861°E / -30.565680281; 115.3570460861 (Wongonderrah) | SWA |
| Wongoondy Nature Reserve | Ia | 306 | 1 December 1933 | 28°54′34″S 115°25′55″E / 28.909576666°S 115.4319351494°E / -28.909576666; 115.4319351494 (Wongoondy) | AVW, GES |
| Woodanilling Nature Reserve | Ia | 134 | 8 September 1911 | 33°34′00″S 117°28′32″E / 33.5666231135°S 117.4756484054°E / -33.5666231135; 117.4756484054 (Woodanilling) | AVW |
| Woody Island Nature Reserve | Ia | 195 | 2 May 1986 | 33°57′45″S 122°00′58″E / 33.9625473515°S 122.0159934301°E / -33.9625473515; 122.0159934301 (Woody Island) | ESP |
| Woody Lake Nature Reserve | Ia | 945 | 6 March 1914 | 33°48′45″S 121°54′33″E / 33.8125211115°S 121.9091811356°E / -33.8125211115; 121.9091811356 (Woody Lake) | ESP |
| Woondowing Nature Reserve | Ia | 1,532 | 23 August 1912 | 31°44′29″S 116°24′59″E / 31.741280436°S 116.4163919274°E / -31.741280436; 116.4163919274 (Woondowing) | JAF |
| Woorgabup Nature Reserve | Ia | 49 | 12 November 1954 | 33°33′49″S 117°54′53″E / 33.563547249°S 117.9146781688°E / -33.563547249; 117.9146781688 (Woorgabup) | AVW |
| Woottating Nature Reserve | Ia | 234 | 22 May 1970 | 31°52′17″S 116°26′45″E / 31.871501633°S 116.4458939296°E / -31.871501633; 116.4458939296 (Woottating) | JAF |
| Wotto Nature Reserve | Ia | 3,671 | 23 May 1969 | 29°43′29″S 115°26′56″E / 29.7246400625°S 115.4488652131°E / -29.7246400625; 115.4488652131 (Wotto) | GES |
| Woyerling Nature Reserve | Ia | 15 | 26 May 1905 | 32°31′15″S 117°24′15″E / 32.5207059845°S 117.4040287891°E / -32.5207059845; 117.4040287891 (Woyerling) | AVW |
| Wulyaling Nature Reserve | Ia | 40 | 1 June 1893 | 32°05′18″S 117°58′13″E / 32.0882950805°S 117.9701813479°E / -32.0882950805; 117.9701813479 (Wulyaling) | AVW |
| Wundowlin Nature Reserve | Ia | 729 | 4 July 1941 | 30°52′03″S 118°04′41″E / 30.8674981245°S 118.0781826284°E / -30.8674981245; 118.0781826284 (Wundowlin) | AVW |
| Wyalkatchem Nature Reserve | Ia | 256 | 8 January 1954 | 31°09′47″S 117°24′29″E / 31.162939882°S 117.4079222254°E / -31.162939882; 117.4079222254 (Wyalkatchem) | AVW |
| Wyening Nature Reserve | Ia | 81 | 9 February 1951 | 31°10′23″S 116°32′17″E / 31.1731686716°S 116.537926965°E / -31.1731686716; 116.537926965 (Wyening) | AVW |
| Wyola Nature Reserve | Ia | 36 | 25 October 1957 | 31°38′20″S 117°21′58″E / 31.638990646°S 117.3660277824°E / -31.638990646; 117.3660277824 (Wyola) | AVW |
| Wyvern Road Nature Reserve | Ia | 7 | 29 December 1967 | 33°22′54″S 116°07′39″E / 33.3817383928°S 116.1274945265°E / -33.3817383928; 116.1274945265 (Wyvern Road) | JAF |
| Xantippe Nature Reserve | Ia | 189 | 27 June 1930 | 30°16′06″S 117°01′49″E / 30.268280707°S 117.0303380478°E / -30.268280707; 117.0303380478 (Xantippe) | AVW |
| Y Island Nature Reserve | Ia | 35 | 15 June 1993 | 21°57′11″S 114°25′13″E / 21.9531756535°S 114.4203502823°E / -21.9531756535; 114.4203502823 (Y Island) | CAR |
| Yackrikine Nature Reserve | Ia | 105 | 17 May 1963 | 33°03′43″S 117°31′04″E / 33.061866887°S 117.5176470401°E / -33.061866887; 117.5176470401 (Yackrikine) | AVW |
| Yallatup Nature Reserve | Ia | 40 | 12 August 1983 | 33°25′45″S 116°23′19″E / 33.4291540053°S 116.3885367415°E / -33.4291540053; 116.3885367415 (Yallatup) | JAF |
| Yandinilling Nature Reserve | Ia | 65 | 23 June 1916 | 32°04′21″S 117°04′51″E / 32.0725897855°S 117.0808590085°E / -32.0725897855; 117.0808590085 (Yandinilling) | AVW |
| Yanneymooning Nature Reserve | Ia | 532 | 1 June 1956 | 30°42′32″S 118°33′33″E / 30.7088663925°S 118.5592060015°E / -30.7088663925; 118.5592060015 (Yanneymooning) | AVW, COO |
| Yardanogo Nature Reserve | Ia | 6,591 | 17 August 1979 | 29°22′20″S 115°04′42″E / 29.3723360567°S 115.0784066425°E / -29.3723360567; 115.0784066425 (Yardanogo) | GES |
| Yarding Nature Reserve | Ia | 232 | 10 January 1964 | 31°55′31″S 117°59′05″E / 31.9253210581°S 117.9846741295°E / -31.9253210581; 117.9846741295 (Yarding) | AVW |
| Yarling Nature Reserve | Ia | 103 | 2 May 1952 | 32°49′15″S 117°27′13″E / 32.820833103°S 117.4537006838°E / -32.820833103; 117.4537006838 (Yarling) | AVW |
| Yarloop Nature Reserve | Ia | 9 | 7 January 2004 | 32°57′19″S 115°54′43″E / 32.9553121299°S 115.912082564°E / -32.9553121299; 115.912082564 (Yarloop) | SWA |
| Yarnup Nature Reserve | Ia | 62 | 17 January 1969 | 34°22′30″S 116°51′59″E / 34.3749019155°S 116.8663180885°E / -34.3749019155; 116.8663180885 (Yarnup) | JAF |
| Yarra Yarra Lakes Nature Reserve | Ia | 1,400 | 7 September 1962 | 29°35′19″S 115°46′26″E / 29.5885875814°S 115.773767464°E / -29.5885875814; 115.773767464 (Yarra Yarra Lakes) | AVW |
| Yeal Nature Reserve | Ia | 11,299 | 18 December 1992 | 31°27′53″S 115°49′25″E / 31.4647456559°S 115.823614271°E / -31.4647456559; 115.823614271 (Yeal) | SWA |
| Yelbeni Nature Reserve | Ia | 82 | 8 May 1914 | 31°09′53″S 117°39′46″E / 31.1647262765°S 117.6627588803°E / -31.1647262765; 117.6627588803 (Yelbeni) | AVW |
| Yellowdine Nature Reserve | Ia | 32,870 | 14 January 1992 | 31°11′35″S 119°38′58″E / 31.193015524°S 119.6495751435°E / -31.193015524; 119.6495751435 (Yellowdine) | COO |
| Yenyening Lakes Nature Reserve | Ia | 3,098 | 3 June 1966 | 32°13′59″S 117°17′23″E / 32.2329431001°S 117.289671484°E / -32.2329431001; 117.289671484 (Yenyening Lakes) | AVW |
| Yeo Lake Nature Reserve | Ia | 321,946 | 14 September 1979 | 28°01′07″S 124°19′51″E / 28.0185851245°S 124.3308926251°E / -28.0185851245; 124.3308926251 (Yeo Lake) | GVD |
| Yetterup Nature Reserve | Ia | 115 | 26 August 1904 | 34°11′13″S 116°59′49″E / 34.186953795°S 116.9968613455°E / -34.186953795; 116.9968613455 (Yetterup) | JAF |
| Yilgerin Nature Reserve | Ia | 49 | 11 November 1977 | 32°00′43″S 118°09′14″E / 32.011925116°S 118.1539362755°E / -32.011925116; 118.1539362755 (Yilgerin) | AVW |
| Yilliminning Nature Reserve | Ia | 40 | 24 December 1986 | 32°54′19″S 117°22′23″E / 32.9052425405°S 117.3731065403°E / -32.9052425405; 117.3731065403 (Yilliminning) | AVW |
| Yorkrakine Rock Nature Reserve | Ia | 157 | 8 August 1952 | 31°25′18″S 117°30′51″E / 31.421620797°S 117.5142928442°E / -31.421620797; 117.5142928442 (Yorkrakine Rock) | AVW |
| Yornaning Nature Reserve | Ia | 69 | 15 June 1934 | 32°44′47″S 117°10′33″E / 32.746434924°S 117.1757334057°E / -32.746434924; 117.1757334057 (Yornaning) | AVW |
| Yurine Swamp Nature Reserve | Ia | 30 | 31 March 1905 | 31°14′11″S 115°47′26″E / 31.2364321855°S 115.7905871857°E / -31.2364321855; 115.7905871857 (Yurine Swamp) | SWA |
| Zuytdorp Nature Reserve | Ia | 65,141 | 15 July 1977 | 26°59′10″S 114°10′29″E / 26.9861944124°S 114.1747961745°E / -26.9861944124; 114.1747961745 (Zuytdorp) | GES, YAL |