The list of ship launches in 1984 includes a chronological list of all ships launched in 1984.
| Date | Country | Builder | Location | Ship | Class / type | Notes |
| 5 January | Belgium | Boelwerf | Temse | Belgica | Research vessel | For Management Unit of North Sea Mathematical Models |
| 9 January | Finland | Wärtsilä Perno Shipyard | Turku | Kandalaksha | SA-15 type cargo ship | |
| 28 January | United Kingdom | Harland & Wolff | Belfast | British Steel | Bulk carrier | For British Steel Corporation.[1] |
| 1 February | Japan | | | Hamashio | Yūshio-class submarine | For Japanese Navy |
| 8 February | United Kingdom | Appledore Shipbuilders Ltd. | Appledore | Charles Darwin | Research vessel | For Natural Environment Research Council.[2] |
| 18 February | United States | Bath Iron Works | Bath, Maine | Hawes | Oliver Hazard Perry-class frigate | For United States Navy. |
| 18 February | Finland | Wärtsilä Helsinki Shipyard | Helsinki | Royal Princess | Cruise ship | For Princess Cruises |
| 21 February | East Germany | VEB Peene-Werft | Wolgast | Altmark | Ohre-class barracks ship | For Volksmarine. |
| 24 February | Denmark | Frederikshavn Værft | Frederikshavn | Mercandian Duke | Type FV 1500 RoRo-ship | For K/S Merc-Scandia XXXVII[3] |
| 17 March | France | | | Primauguet | Georges Leygues-class frigate | For French Navy |
| 17 March | United Kingdom | | | Tireless | Trafalgar-class submarine | For Royal Navy. |
| 18 March | France | | | TSS Fairsky | | For Sitmar Cruises |
| 23 March | Finland | Valmet Vuosaari shipyard | Helsinki | Anadyry | SA-15 type cargo ship | |
| 30 March | Argentina | Astilleros y Fábricas Navales del Estado | Ensenada, Buenos Aires Province | Parker | Espora-class corvette | For Argentine Navy. |
| 30 March | Finland | Wärtsilä Perno shipyard | Turku | Nikel | SA-15 type cargo ship | |
| 14 April | United States | Ingalls Shipbuilding | Pascagoula, Mississippi | Vincennes | Ticonderoga-class cruiser | For United States Navy. |
| 30 April | East Germany | VEB Peene-Werft | Wolgast | Harz Wische | Ohre-class barracks ship | For Volksmarine. |
| 12 May | United States | Bath Iron Works | Bath, Maine | Elrod | Oliver Hazard Perry-class frigate | For United States Navy. |
| 16 May | United Kingdom | Brooke Marine | Lowestoft | Nasr al Bahr | Landing Craft | For Royal Omani Navy.[4] |
| 19 May | United States | Electric Boat | Groton, Connecticut | Alabama | Ohio-class submarine | For United States Navy. |
| 22 June | Denmark | Frederikshavn Værft | Frederikshavn | Mercandian Gigant | Type FV 2100 RoRo-ship | For Per Henriksen[5] |
| 23 June | United States | Todd Pacific Shipyards | San Pedro, California | Ford | Oliver Hazard Perry-class frigate | For United States Navy. |
| 23 June | United States | Ingalls Shipbuilding | Pascagoula, Mississippi | Valley Forge | Ticonderoga-class cruiser | For United States Navy. |
| 29 June | United States | Lockheed Shipbuilding | Seattle, Washington | Germantown | Whidbey Island-class dock landing ship | For United States Navy. |
| 30 June | Soviet Union | Werft 340 | Zelenodolsk | SKR-149 | Koni-class frigate | For Soviet Navy. |
| 10 July | Japan | | | Yamayuki | Hatsuyuki-class destroyer | For Japanese Navy. |
| 4 August | United States | Electric Boat | Groton, Connecticut | Providence | Los Angeles-class submarine | For United States Navy. |
| 24 August | East Germany | VEB Peene-Werft | Wolgast | Havelland | Ohre-class barracks ship | For Volksmarine. |
| 31 August | United States | Bath Iron Works | Bath, Maine | Simpson | Oliver Hazard Perry-class frigate | For United States Navy. |
| 31 August | West Germany | Detlef Hegemann Rolandwerft | Bremen | Margareta | General cargo ship | For Thekla Schepers KG, Haren |
| 22&September | West Germany | C. Lühring | Brake | Bottsand | Bottsand-class oil recovery ship | For German Navy |
| 23 September | United Kingdom | Harland & Wolff | Belfast | English Star | Refrigerated cargo ship | For Blue Star Line.[6] |
| 23 September | United Kingdom | Harland & Wolff | Belfast | Scottish Star | Refrigerated cargo ship | For Blue Star Line.[7] |
| date | United Kingdom | Appledore Shipbuilders Ltd. | Appledore | Jokulfell | Refrigerated cargo ship | For Eimskipafelag Islands H/f.[8] |
| 27 September | Finland | Wärtsilä Helsinki Shipyard | Helsinki | Svea | Cruiseferry | For Johnson Line (Silja Line traffic) |
| 28 September | Finland | Wärtsilä Perno shipyard | Turku | Mariella | Cruiseferry | For SF Line |
| 28 September | Denmark | Frederikshavn Værft | Frederikshavn | Mercandian Globe | Type FV 2100 RoRo-ship | For Per Henriksen[9] |
| 8 October | Peru | SIMA | Callao | Mariátegui | Carvajal-class frigate | For Peruvian Navy |
| 13 October | United States | Newport News Shipbuilding | Newport News, Virginia | Chicago | Los Angeles-class submarine | For United States Navy. |
| 25 October | Japan | | | Matsuyuki | Hatsuyuki-class destroyer | For Japanese Navy |
| 27 October | United Kingdom | Yarrow Shipbuilders | Glasgow | London | Type 22 frigate | For Royal Navy. |
| 27 October | United States | Newport News Shipbuilding | Newport News, Virginia | Theodore Roosevelt | Nimitz-class aircraft carrier | For United States Navy. |
| 28 October | Poland | Stocznia im Lenina | Gdańsk | Stena Polonica | Ferry | For Stena Line[10] |
| 9 November | Japan | Mitsubishi Heavy Industries | | Hatakaze | Hatakaze-class destroyer | For Japanese Navy |
| 11 November | Spain | Bazan | Ferrol | Santa María | Santa María-class frigate | For Spanish Navy |
| 14 November | Argentina | Astilleros y Fábricas Navales del Estado | Ensenada, Buenos Aires Province | Gómez Roca | Espora-class corvette | For Argentine Navy. |
| 21 November | Denmark | Nakskov Skibsværft | Nakskov | Peder Paars | Ferry | For DSB Färjedivision |
| 25 November | Argentina | Astilleros y Fábricas Navales del Estado | Ensenada, Buenos Aires Province | Robinson | Espora-class corvette | For Argentine Navy. |
| 8 December | United States | Electric Boat | Groton, Connecticut | Pittsburgh | Los Angeles-class submarine | For United States Navy. |
| 8 December | United States | Bath Iron Works | Bath, Maine | Samuel B. Roberts | Oliver Hazard Perry-class frigate | For United States Navy. |
| 13 December | West Germany | Howaldtswerke-Deutsche Werft | Kiel | Shishumar | Type 209 submarine | For Indian Navy |
| Unknown date | United Kingdom | David Abels Boatbuilders Ltd. | Bristol | Benalan | Tug | For private owner.[11] |
| Unknown date | United Kingdom | David Abels Boatbuilders Ltd. | Bristol | Island Rose | Passenger launch | For private owner.[12] |
| Unknown date | United Kingdom | Arkwright | Corby | Melody K | Riverboat | For private owner.[13] |
| Unknown date | United Kingdom | David Abels Boatbuilders Ltd. | Bristol | Puffin | Workboat | For Commissioners of Irish Lights.[14] |
| Unknown date | United Kingdom | David Abels Boatbuilders Ltd. | Bristol | Uskmoor | Buoy tender | For Newport Harbour Commissioners.[15] |
References