# List of ship launches in 1970

The list of ship launches in 1970 includes a chronological list of ships launched in 1970. In cases where no official launching ceremony was held, the date built or completed may be used instead.
| Date | Country | Builder | Location | Ship | Class and type | Notes |
| 8 January | United Kingdom | Appledore Shipbuilders Ltd. | Appledore | Coleraine | Firefighting Tug | For R. & J. H. Rea Ltd.. |
| 8 January | United States | Newport News Shipbuilding | Newport News, Virginia | Mount Whitney | Blue Ridge-class command ship | For United States Navy. |
| 10 January | United States | Electric Boat | Groton, Connecticut | Bluefish | Sturgeon-class submarine | For United States Navy. |
| 13 January | Japan | | | Chikugo | Chikugo-class destroyer escort | For Japanese Navy. |
| 17 January | United States | Avondale Shipyard | Avondale, Louisiana | Ouellet | Knox-class frigate | For United States Navy. |
| 22 January | United Kingdom | Harland & Wolff | Belfast | La Pampa | Bulk carrier | For Buries Marks Ltd. |
| 24 January | United States | Todd Shipyards | San Pedro, California | Fanning | Knox-class frigate | For United States Navy. |
| 7 February | United States | National Steel and Shipbuilding Company | San Diego, California | Saginaw | Newport-class tank landing ship | For United States Navy. |
| February | Denmark | Svendborgs Skibsværft A/S | Svendborg | Kärnan | Ferry | For DSB Färjedivision. |
| February | France | | Seine-Maritime | Mangro | Daphné-class submarine | For Pakistani Navy. |
| February | United Kingdom | Keith, Nelson & Co. | Bembridge | Murayjib | Dhafeer-class patrol craft | For United Arab Emirates Navy. |
| 6 March | West Germany | Mutzelfeldwerft | Cuxhaven | Fair Lady | Ferry | For Reederei Cassen Eils. |
| 7 March | United States | Avondale Shipyard | Avondale, Louisiana | Joseph Hewes | Knox-class frigate | For United States Navy. |
| 7 March | United Kingdom | | | Courageous | Churchill-class submarine | For Royal Navy. |
| 11 March | Japan | | | Uzushio | Uzushio-class submarine | For Japanese Navy. |
| 22 March | Yugoslavia | Brodogradiliste Titovo | Split | Marella | Ferry | For SF Line / Viking Line. |
| 28 March | Soviet Union | Yantar | Kaliningrad | Bditelnyy | Project 1135 large anti-submarine ship | For Soviet Navy. |
| 28 March | United States | National Steel and Shipbuilding Company | San Diego, California | San Bernardino | Newport-class tank landing ship | For United States Navy. |
| March | West Germany | Gebrüder Kötter Schiffswerft | Haren | Stadt Heiligenhafen | Ferry | For Seebäderdienst Heiligenhafen. |
| 7 April | United Kingdom | Brooke Marine Ltd. | Lowestoft | Al Said | Patrol boat | For Royal Omani Navy. |
| 22 April | United States | National Steel and Shipbuilding Company | San Diego, California | Boulder | Newport-class tank landing ship | For United States Navy. |
| 22 April | United Kingdom | Appledore Shipbuilders Ltd. | Appledore | Cordene | Tanker | For William Cory & Son Ltd. |
| 23 April | United States | Fore River Shipyard | Quincy, Massachusetts | Savannah | Wichita-class replenishment oiler | For United States Navy. |
| 1 May | United States | Electric Boat | Groton, Connecticut | Billfish | Sturgeon-class submarine | For United States Navy. |
| 2 May | United States | Avondale Shipyard | Avondale, Louisiana | Bowen | Knox-class frigate | For United States Navy. |
| 6 May | United Kingdom | Harland & Wolff | Belfast | Bulk Eagle | Bulk carrier | For Kriship Shipping Co. |
| 6 May | United Kingdom | Yarrow Shipbuilders | Scotstoun | Canterbury | Leander-class frigate | For Royal New Zealand Navy. |
| 6 May | United Kingdom | J. Bolson & Son Ltd. | Poole | Chichester City | Dredger | For John Heaver Ltd. |
| 6 May | West Germany | Meyer Werft | Papenburg | Viking 1 | Ferry | For Rederi Ab Sally / Viking Line |
| 7 May | France | DCAN | Lorient | Aconit | Unique frigate | For French Navy. |
| 9 May | West Germany | | | Sea Venture | Cruise ship | For Flagship Cruises. |
| 11 May | United Kingdom | Harland & Wolff | Belfast | Esso Ulidia | Tanker | For Esso Petroleum Co. |
| 20 May | United States | Lockheed Shipbuilding and Construction Company | Seattle, Washington | Ponce | Austin-class amphibious transport dock | For United States Navy. |
| 22 May | United Kingdom | Appledore Shipbuilders Ltd. | Appledore | Pen Stour | Dredger | For Amey Marine Ltd. |
| 23 May | United States | Mare Island Naval Shipyard | Vallejo, California | Drum | Sturgeon-class submarine | For United States Navy. |
| 2 June | United Kingdom | Harland & Wolff | Belfast | Sydney Bridge | Bulk carrier | For Bowring Shipping Ltd. |
| 12 June | Japan | IHI Corporation | Tokyo | Mutsu | Nuclear-powered cargo ship | |
| 12 June | West Germany | Husumer Schiffswerft | Husum | Insel Amrum | Ferry | For Wyker Dampfschiffs-Reederei Amrum GmbH. |
| 20 June | United States | Fore River Shipyard | Quincy, Massachusetts | Dixon | L. Y. Spear-class submarine tender | For United States Navy. |
| 20 June | United States | Avondale Shipyard | Avondale, Louisiana | Paul | Knox-class frigate | For United States Navy. |
| June | China | Hudong–Zhonghua Shipbuilding | Shanghai | Jinan | Type 051 destroyer | For Chinese Navy. |
| 4 July | United Kingdom | Appledore Shipbuilders Ltd. | Appledore | Cordale | Tanker | For William Cory & Son Ltd. |
| 9 July | Finland | Wärtsilä Helsinki Shipyard | Helsinki | Nordic Prince | Song of Norway-class cruise ship | For Royal Caribbean Cruise Lines. |
| 11 July | United States | Fore River Shipyard | Quincy, Massachusetts | Pensacola | Anchorage-class dock landing ship | For United States Navy. |
| 14 July | Finland | | | Zeya | Cable layer | For Sudoimport. |
| 21 July | France | Dubigeon-Normandie SA | Nantes | Joanna Van de Merwe | Daphné-class submarine | For South African Navy. |
| 24 July | United States | Avondale Shipyard | Avondale, Louisiana | Brewton | Knox-class frigate | For United States Navy. |
| 1 August | United States | Lockheed Shipbuilding and Construction Company | Seattle, Washington | Reasoner | Knox-class frigate | For United States Navy. |
| 15 | United States | National Steel and Shipbuilding Company | San Diego, California | Racine | Newport-class tank landing ship | For United States Navy. |
| 15 August | West Germany | Rickmers Werft | Bremerhaven | Travetal | | For J. A. Reinecke. |
| 29 August | United States | Avondale Shipyard | Avondale, Louisiana | Aylwin | Knox-class frigate | For United States Navy. |
| 15 September | West Germany | Howaldtswerke-Deutsche Werft | Kiel | Glavkos | Type 209 submarine | For Greek Navy |
| 16 September | Japan | | | Ayase | Chikugo-class destroyer escort | For Japanese Navy. |
| 3 October | United Kingdom | Appledore Shipbuilders Ltd. | Appledore | Esso Tenby | Tanker | For Esso Petroleum Co. Ltd.. |
| 5 October | United Kingdom | Brooke Marine Ltd. | Lowestoft | Ranger Cadmus | Fishing trawler | For Ranger Fishing Co. Ltd. |
| 8 October | Soviet Union | Severnaya Verf | Leningrad | Marshal Voroshilov | Project 1134A Berkut A large anti-submarine ship | For Soviet Navy. |
| 15 October | United Kingdom | Yarrow Shipbuilders | Scotstoun | Apollo | Leander-class frigate | For Royal Navy. |
| 7 November | United States | National Steel and Shipbuilding Company | San Diego, California | Spartanburg County | Newport-class tank landing ship | For United States Navy. |
| 9 November | United States | Ingalls Shipbuilding | Pascagoula, Mississippi | Flint | Kilauea-class ammunition ship | For United States Navy. |
| 20 November | Denmark | Aalborg Shipyard | Aalborg | Prinsessan Desirée | Ferry | For Sessan Linjen. |
| 21 November | United States | Avondale Shipyard | Avondale, Louisiana | Elmer Montgomery | Knox-class frigate | For United States Navy. |
| 22 November | Soviet Union | Severnaya Verf | Leningrad | Admiral Makarov | Project 1134A Berkut A large anti-submarine ship | For Soviet Navy. |
| 27 November | Canada | Davie Shipbuilding | Lauzon | Athabaskan | Iroquois-class destroyer | For Royal Canadian Navy. |
| 27 November | West Germany | Howaldtswerke-Deutsche Werft | Kiel | Columbus New Zealand | Columbus New Zealand-class container ship | For Hamburg Süd. |
| 28 November | Canada | Marine Industries | Sorel-Tracy | Iroquois | Iroquois-class destroyer | For Royal Canadian Navy. |
| 30 November | Japan | Hayashikane Shipbuilding | Nagasaki | Toko Maru | Fisheries research vessel | For Ministry of Agriculture & Forestry - Fisheries Agency. |
| 11 December | United Kingdom | Harland & Wolff | Belfast | Rudby | Bulk carrier | For Ropner Shipping. |
| 12 December | West Germany | Rickmers Werft | Bremerhaven | Fuldatal | | For J. A. Reinecke. |
| 19 December | United States | National Steel and Shipbuilding Company | San Diego, California | Fairfax County | Newport-class tank landing ship | For United States Navy. |
| 19 December | United States | Lockheed Shipbuilding and Construction Company | Seattle, Washington | Stein | Knox-class frigate | For United States Navy. |
| 30 December | United Kingdom | Appledore Shipbuilders Ltd. | Appledore | Esso Penzance | Tanker | For Esso Petroleum Co. Ltd.. |
| 30 December | United Kingdom | Upper Clyde Shipbuilders | Scotstoun | Sig Ragne | Cargo ship | For Liverpool Liners. |
| 31 December | West Germany | | | Mikhail Lermontov | Ivan Franko-class passenger ship | For Baltic Shipping Company. |
| December | China | Huludao Shipyard | Huludao | Changzheng 1 | Type 091 nuclear-powered attack submarine | For Chinese Navy. |
| Unknown date | United Kingdom | J. Bolson & Son Ltd. | Poole | A.S.R.1 | Air-sea rescue launch | For Government of Saudi Arabia. |
| Unknown date | United Kingdom | J. Bolson & Son Ltd. | Poole | A.S.R.2 | Air-sea rescue launch | For Government of Saudi Arabia. |
| Unknown date | United Kingdom | British Waterways Board | Goole | Freight Pioneer | Tug | For British Waterways Board. |
| Unknown date | Poland | Stocznia Polnocna | Gdańsk | Liman | Moma-class intelligence ship | For Soviet Navy. |
| Unknown date | Netherlands | | Heusden | Pontra Maris | Cable-laying barge | For Stemat Marine Services. |