The following lists the number one albums on the Australian Albums Chart during the 1970s. The source for this decade is the Kent Music Report.
1970
| Date | Artist | Album | Weeks at number one |
| 5 January | The Beatles | Abbey Road | 18 weeks |
| 12 January |
| 19 January |
| 26 January |
| 2 February |
| 9 February |
| 16 February |
| 23 February |
| 2 March | Led Zeppelin | Led Zeppelin II | 5 weeks |
| 9 March |
| 16 March |
| 23 March |
| 30 March |
| 6 April | Simon and Garfunkel | Bridge over Troubled Water | 15 weeks |
| 13 April |
| 20 April |
| 27 April |
| 4 May |
| 9 May |
| 18 May | The Beatles | Hey Jude | 2 weeks |
| 25 May |
| 1 June | Simon and Garfunkel | Bridge over Troubled Water | 15 weeks |
| 8 June |
| 15 June | The Beatles | Let It Be | 4 weeks |
| 22 June |
| 29 June |
| 6 July |
| 13 July | Crosby, Stills, Nash & Young | Déjà Vu | 2 weeks |
| 20 July |
| 27 July | Simon and Garfunkel | Bridge over Troubled Water | 15 weeks |
| 3 August |
| 10 August |
| 17 August |
| 24 August |
| 31 August |
| 7 September |
| 14 September | Creedence Clearwater Revival | Cosmo's Factory | 19 weeks |
| 21 September |
| 28 September |
| 5 October |
| 12 October |
| 19 October |
| 26 October |
| 2 November |
| 9 November |
| 16 November |
| 23 November |
| 30 November |
| 7 December |
| 14 December |
| 21 December |
| 28 December |
1971
1972
| Date | Artist | Album | Weeks at number one |
| 3 January | Cat Stevens | Teaser and the Firecat | 15 weeks |
| 10 January | John Lennon | Imagine | 2 weeks |
| 17 January |
| 24 January | Cat Stevens | Teaser and the Firecat | 15 weeks |
| 31 January |
| 7 February |
| 14 February |
| 21 February |
| 28 February |
| 6 March |
| 13 March |
| 19 March |
| 27 March |
| 3 April | Don McLean | American Pie | 11 weeks |
| 10 April |
| 17 April |
| 24 April |
| 1 May |
| 8 May |
| 15 May |
| 22 May |
| 29 May |
| 5 June |
| 12 June |
| 19 June | Neil Young | Harvest | 1 week |
| 26 June | Deep Purple | Machine Head | 2 weeks |
| 3 July |
| 10 July | Jethro Tull | Thick as a Brick | 11 weeks |
| 17 July |
| 24 July |
| 31 July |
| 7 August |
| 14 August |
| 21 August |
| 28 August |
| 4 September |
| 11 September |
| 18 September |
| 25 September | Slade | Slade Alive! | 12 weeks |
| 2 October |
| 9 October |
| 16 October |
| 23 October | Cat Stevens | Catch Bull at Four | 7 weeks |
| 30 October |
| 6 November |
| 13 November |
| 20 November |
| 27 November |
| 4 December |
| 11 December | Slade | Slade Alive! | 12 weeks |
| 18 December |
| 25 December |
1973
1974
| Date | Artist | Album | Weeks at number one |
| 7 January | Neil Diamond | Hot August Night | 29 weeks |
| 14 January |
| 21 January |
| 28 January | Jonathan Livingston Seagull | 4 weeks |
| 4 February |
| 11 February |
| 18 February |
| 25 February | Hot August Night | 29 weeks |
| 4 March |
| 11 March |
| 18 March | Elton John | Goodbye Yellow Brick Road | 3 weeks |
| 25 March |
| 1 April |
| 8 April | Paul McCartney and Wings | Band on the Run | 7 weeks |
| 15 April |
| 22 April |
| 29 April |
| 6 May |
| 13 May |
| 20 May | Mike Oldfield | Tubular Bells | 4 weeks |
| 27 May |
| 3 June |
| 10 June |
| 17 June | Motion Picture Soundtrack | The Sting | 7 weeks |
| 24 June |
| 1 July |
| 8 July |
| 15 July |
| 22 July |
| 29 July | Paul McCartney and Wings | Band on the Run | 7 weeks |
| 5 August | Motion Picture Soundtrack | The Sting | 7 weeks |
| 12 August | Elton John | Caribou | 10 weeks |
| 19 August |
| 26 August |
| 2 September |
| 9 September |
| 16 September |
| 23 September |
| 30 September |
| 7 October |
| 14 October |
| 21 October | Suzi Quatro | Quatro | 6 weeks |
| 28 October |
| 4 November |
| 11 November |
| 18 November |
| 25 November |
| 2 December | Neil Diamond | Serenade | 7 weeks |
| 9 December |
| 16 December |
| 23 December |
| 30 December |
1975
1976
| Date | Artist | Album | Weeks at number one |
| 5 January | ABBA | ABBA | 11 weeks |
| 12 January |
| 19 January |
| 26 January |
| 2 February |
| 9 February |
| 16 February |
| 23 February | Bob Dylan | Desire | 3 weeks |
| 1 March |
| 8 March |
| 15 March | Queen | A Night at the Opera | 2 weeks |
| 22 March |
| 29 March | ABBA | The Best of ABBA | 16 weeks |
| 5 April |
| 12 April |
| 19 April |
| 26 April |
| 3 May |
| 10 May |
| 17 May |
| 24 May |
| 31 May |
| 7 June |
| 14 June |
| 21 June |
| 28 June |
| 5 July |
| 12 July |
| 19 July | Sherbet | Howzat | 2 weeks |
| 26 July | Neil Diamond | Beautiful Noise | 4 weeks |
| 2 August |
| 9 August | Sherbet | Howzat | 2 weeks |
| 16 August | Neil Diamond | Beautiful Noise | 4 weeks |
| 23 August |
| 30 August | Rod Stewart | A Night on the Town | 10 weeks |
| 6 September |
| 13 September |
| 20 September |
| 27 September |
| 4 October |
| 11 October |
| 18 October |
| 25 October |
| 1 November |
| 8 November | Bryan Ferry | Let's Stick Together | 2 weeks |
| 15 November |
| 22 November | ABBA | Arrival | 8 weeks |
| 29 November |
| 6 December |
| 13 December |
| 20 December |
| 27 December |
1977
| Date | Artist | Album | Weeks at number one |
| 3 January | ABBA | Arrival | 8 weeks |
| 10 January |
| 17 January | Eagles | Hotel California | 12 weeks |
| 23 January |
| 31 January |
| 7 February |
| 14 February |
| 21 February |
| 28 February |
| 7 March |
| 14 March |
| 21 March |
| 28 March |
| 4 April |
| 11 April | Fleetwood Mac | Rumours | 8 weeks |
| 18 April | Electric Light Orchestra | A New World Record | 9 weeks |
| 25 April |
| 2 May |
| 9 May |
| 16 May |
| 23 May |
| 30 May |
| 6 June |
| 13 June |
| 20 June | Boz Scaggs | Silk Degrees | 18 weeks |
| 27 June |
| 4 July |
| 11 July |
| 18 July |
| 25 July |
| 1 August |
| 8 August |
| 15 August |
| 22 August |
| 29 August |
| 5 September |
| 12 September |
| 19 September |
| 26 September |
| 3 October |
| 10 October |
| 17 October |
| 24 October | Fleetwood Mac | Rumours | 8 weeks |
| 31 October |
| 7 November |
| 14 November |
| 21 November |
| 28 November | Rod Stewart | Foot Loose & Fancy Free | 9 weeks |
| 5 December |
| 12 December |
| 19 December |
| 26 December |
1978
| Date | Artist | Album | Weeks at number one |
| 2 January | Rod Stewart | Foot Loose & Fancy Free | 9 weeks |
| 9 January |
| 16 January |
| 23 January |
| 30 January | Fleetwood Mac | Rumours | 8 weeks |
| 6 February |
| 13 February | Linda Ronstadt | Simple Dreams | 5 weeks |
| 20 February |
| 27 February |
| 6 March |
| 13 March |
| 20 March | Motion Picture Soundtrack | Saturday Night Fever | 14 weeks |
| 27 March |
| 3 April |
| 10 April |
| 17 April |
| 24 April |
| 1 May |
| 8 May |
| 15 May |
| 22 May |
| 29 May |
| 5 June |
| 12 June |
| 19 June |
| 26 June | Meat Loaf | Bat Out of Hell | 7 weeks |
| 3 July |
| 10 July |
| 17 July |
| 24 July |
| 31 July |
| 7 August |
| 14 August | Motion Picture Soundtrack | Grease | 13 weeks1 |
| 21 August |
| 28 August |
| 4 September |
| 11 September |
| 18 September |
| 25 September |
| 2 October | Jeff Wayne | War of the Worlds | 7 weeks |
| 9 October |
| 16 October |
| 23 October |
| 30 October |
| 6 November |
| 13 November |
| 20 November | Motion Picture Soundtrack | Grease | 13 weeks1 |
| 27 November |
| 4 December | Dire Straits | Dire Straits | 3 weeks |
| 11 December |
| 18 December |
| 25 December | Billy Joel | 52nd Street | 5 weeks |
1979
See also
References
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Albums |
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| Number-one albums | |
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End-of-year/decade charts (Top 25 albums) | |
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Genre charts (Number-ones) | |
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Other charts (Number-ones) | |
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Singles |
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| Number-one singles | |
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End-of-year/decade charts (Top 25 singles) | |
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Genre charts (Number-ones) | |
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Other charts (Number-ones) | |
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