# List of ship launches in 1991

The list of ship launches in 1991 includes a chronological list of all ships launched in 1991.
| | Country | Builder | Location | Ship | Class / type | Notes |
| 5 January | Finland | Rauma-Repola | Rauma | Society Adventurer | cruise ship | For Discoverer Reederei |
| 17 January | Japan | Kawasaki Heavy Industries | Kobe | Hayashio | Harushio-class submarine | |
| 23 January | Yugoslavia | Brodosplit | Split | Frans Suell | Cruiseferry | For Sea-Link Shipping for Euroway traffic |
| 2 February | United States | Avondale Shipyard | Avondale, Louisiana | Big Horn | Henry J. Kaiser-class replenishment oiler | |
| 14 February | United States | Halter Marine, Inc. | Moss Point, Mississippi | Littlehales | Survey vessel | Now Thomas Jefferson |
| 16 February | United Kingdom | Vickers Shipbuilding | Barrow-in-Furness | Triumph | Trafalgar-class submarine | |
| 23 February | United States | Ingalls Shipbuilding | Pascagoula, Mississippi | Essex | Wasp-class amphibious assault ship | |
| 2 March | United Kingdom | Yarrow Shipbuilders | Glasgow | Iron Duke | Type 23 frigate | |
| 16 March | France | Chantiers de l'Atlantique | Saint-Nazaire | Prairial | Floréal-class frigate | |
| 23 March | United States | Newport News Shipbuilding | Newport News, Virginia | Boise | Los Angeles-class submarine | |
| 5 April | Denmark | Ørskov Staalskibsværft | Frederikshavn | Sarfaq Ittuk | Cruise ferry | For Arctic Umiaq Line |
| 6 April | Canada | Vancouver Shipyards Co. Ltd. | North Vancouver | Queen of Caopilano | Intermediate-class ferry | |
| 12 April | United Kingdom | Appledore Shipbuilders Ltd. | Appledore | Seniority | Coaster | For Scottish Navigation Co. Ltd. |
| 16 April | Germany | Husumer Schiffswerft | Husum | Hilligenlei | ferry | For Wyker Dampfschiffs-Reederei Föhr-Amrum GmbH |
| 16 May | Canada | MIL-Davie Shipbuilding | Lauzon, Quebec | Ville de Québec | Halifax-class frigate | |
| 18 May | United States | Electric Boat | Groton, Connecticut | Annapolis | Los Angeles-class submarine | |
| May | Germany | Schichau Seebeckwerft | Bremerhaven | Seabourn Legend | Cruise ship | For Seabourn Cruise Line |
| 8 June | United States | Ingalls Shipbuilding | Pascagoula, Mississippi | Barry | Arleigh Burke-class destroyer | |
| 25 June | Germany | Blohm + Voss | Hamburg | Hydra | Hydra-class frigate | |
| 13 July | United States | Bath Iron Works | Bath, Maine | Lake Erie | Ticonderoga-class cruiser | |
| 25 July | Finland | Finnyards | Rauma | Sally Albatross | Cruise ship | Constructed utilising parts from the first Sally Albatross that burnt in 1990 |
| August | Soviet Union | Sredne-Newski | Leningrad | Grosa | missile corvettes | |
| 1 August | Japan | Kanda Zosencho K.K. | Kawajiri, Japan | Kosei Maru | Roll-on/roll-off ferry | |
| 10 August | United States | Electric Boat | Groton, Connecticut | Maryland | Ohio-class submarine | |
| 11 August | France | Chantiers de l'Atlantique | Saint-Nazaire | Nivôse | Floréal-class frigate | |
| 20 August | Germany | Blohm + Voss | Hamburg | ECO | luxury yacht | |
| 22 August | Denmark | Ørskov Staalskibsværft | Frederikshavn | Saqqit Ittuk | cruise ship | For Umiaq Line |
| 23 August | United States | Newport News Shipbuilding | Newport News, Virginia | Montpelier | Los Angeles-class submarine | |
| August | China | Hudong Shipyard | Shanghai | Harbin | Type 052 destroyer | |
| 7 September | United States | Ingalls Shipbuilding | Pascagoula, Mississippi | Vicksburg | Ticonderoga-class cruiser | |
| 23 September | United Kingdom | Appledore Shipbuilders Ltd. | Appledore | Tarquin Glen | LNG tanker | For Liquid Gas Shipping Ltd. |
| 26 September | Japan | Mitsubishi Heavy Industries | Nagasaki | Kongō | Kongō-class destroyer | |
| 28 September | United States | National Steel & Shipbuilding | San Diego, California | Rainier | Supply-class fast combat support ship | |
| 5 October | United States | Avondale Shipyard | Avondale, Louisiana | Guadalupe | Henry J. Kaiser-class replenishment oiler | |
| 26 October | United States | Bath Iron Works | Bath, Maine | John Paul Jones | Arleigh Burke-class destroyer | |
| 27 October | Taiwan | China Shipbuilding | Kaohsiung | Cheng Kung | Cheng Kung-class frigate | |
| 9 November | Denmark | Ørskov Staalskibsværft | Frederikshavn | Sarpik Ittuk | cruise ship | For Umiaq Line |
| 15 November | Finland | Kvaerner Masa-Yards | Turku | Royal Majesty | Cruise ship | For Majesty Cruise Line |
| 22 November | Germany | HDW | Kiel | Corte-Real | Vasco da Gama-class frigate | |
| 23 November | United Kingdom | Yarrow Shipbuilders | Glasgow | Monmouth | Type 23 frigate | |
| 6 December | Japan | Sumitomo Heavy Industries | Tokyo | Tone | Abukuma-class destroyer escort | |
| Unknown date | United Kingdom | David Abels Boatbuilders Ltd. | Bristol | Avon Monarch | Passenger launch | For private owner. |
| Unknown date | Ireland | Arklow Marine Services Inc. | Arklow | Island Discovery | Ferry | For Paul Concannon & Brian Day. |
| Unknown date | United Kingdom | Harland & Wolff | Belfast | Knock Allen | Suezmax tanker | For Fred Olsen & Co. |
| Unknown date | United Kingdom | David Abels Boatbuilders Ltd. | Bristol | Sea Vigil | Survey ship | For Environment Agency. |
| Unknown date | United Kingdom | David Abels Boatbuilders Ltd. | Bristol | Vectis | Buoy tender | For Trinity House. |
| Unknown date | United Kingdom | David Abels Boatbuilders Ltd. | Bristol | Yvonne T | Launch | For Wightlink Ltd. |