The list of ship launches in 1951 includes a chronological list of all ships launched in 1951.
| Country | Builder | Location | Ship | Class / type | Notes | |
|---|---|---|---|---|---|---|
| 24 January | Zelenodolsk Gorky Plant | Zelenedolsk, Russia | BO-339 | Kronshtadt-class submarine chaser | [1] | |
| 27 January | Fore River Shipyard | Quincy, Massachusetts | Northampton | Unique command cruiser | ||
| 16 February | Zelenodolsk Gorky Plant | Zelenedolsk, Russia | BO-340 | Kronshtadt-class submarine chaser | [1] | |
| 2 March | Electric Boat | Groton, Connecticut | K-1 | Barracuda-class submarine | First in class | |
| 3 March | Zelenodolsk Gorky Plant | Zelenedolsk, Russia | BO-341 | Kronshtadt-class submarine chaser | [1] | |
| 8 March | John Brown and Company | Clydebank, Scotland | Norfolk Ferry | Train ferry | For British Transport Commission | |
| 13 March | Zelenodolsk Gorky Plant | Zelenedolsk, Russia | BO-342 | Kronshtadt-class submarine chaser | [1] | |
| 21 March | Zelenodolsk Gorky Plant | Zelenedolsk, Russia | BO-343 | Kronshtadt-class submarine chaser | [1] | |
| 29 March | Zelenodolsk Gorky Plant | Zelenedolsk, Russia | BO-344 | Kronshtadt-class submarine chaser | [1] | |
| 31 March | Zelenodolsk Gorky Plant | Zelenedolsk, Russia | BO-345 | Kronshtadt-class submarine chaser | [1] | |
| 6 April | Zelenodolsk Gorky Plant | Zelenedolsk, Russia | BO-346 | Kronshtadt-class submarine chaser | [1] | |
| 9 April | John I. Thornycroft & Company | Southampton, England | Duchess | Daring-class destroyer | ||
| 2 May | Mare Island Naval Shipyard | Vallejo, California | K-2 | Barracuda-class submarine | ||
| 25 May | Zelenodolsk Gorky Plant | Zelenedolsk, Russia | BO-347 | Kronshtadt-class submarine chaser | [1] | |
| 27 May | Zelenodolsk Gorky Plant | Zelenedolsk, Russia | BO-348 | Kronshtadt-class submarine chaser | [1] | |
| 7 June | Zelenodolsk Gorky Plant | Zelenedolsk, Russia | BO-349 | Kronshtadt-class submarine chaser | [1] | |
| 14 June | Electric Boat | Groton, Connecticut | Trigger | Tang-class submarine | ||
| 16 June | Ansaldo Shipyards | Genoa | Andrea Doria | Ocean liner | For Italian Line | |
| 19 June | Portsmouth Naval Shipyard | Kittery, Maine | Tang | Tang-class submarine | First in class | |
| 21 June | Harland and Wolff | Belfast, Northern Ireland | Kenya Castle | Ocean liner | For Union-Castle Line | |
| 21 June | Mare Island Naval Shipyard | Vallejo, California | K-3 | Barracuda-class submarine | ||
| 23 June | Zelenodolsk Gorky Plant | Zelenedolsk, Russia | BO-350 | Kronshtadt-class submarine chaser | [1] | |
| 11 July | Zelenodolsk Gorky Plant | Zelenedolsk, Russia | BO-351 | Kronshtadt-class submarine chaser | [1] | |
| 27 July | Zelenodolsk Gorky Plant | Zelenedolsk, Russia | BO-353 | Kronshtadt-class submarine chaser | [1] | |
| 28 July | Zelenodolsk Gorky Plant | Zelenedolsk, Russia | BO-352 | Kronshtadt-class submarine chaser | [1] | |
| 6 August | Zelenodolsk Gorky Plant | Zelenedolsk, Russia | BO-354 | Kronshtadt-class submarine chaser | [1] | |
| 19 August | Zelenodolsk Gorky Plant | Zelenedolsk, Russia | BO-356 | Kronshtadt-class submarine chaser | [1] | |
| 21 August | Electric Boat | Groton, Connecticut | Trout | Tang-class submarine | ||
| 1 September | Zelenodolsk Gorky Plant | Zelenedolsk, Russia | BO-357 | Kronshtadt-class submarine chaser | [1] | |
| 10 September | Zelenodolsk Gorky Plant | Zelenedolsk, Russia | BO-358 | Kronshtadt-class submarine chaser | [1] | |
| 15 September | Zelenodolsk Gorky Plant | Zelenedolsk, Russia | BO-359 | Kronshtadt-class submarine chaser | [1] | |
| 22 September | Zelenodolsk Gorky Plant | Zelenedolsk, Russia | BO-360 | Kronshtadt-class submarine chaser | [1] | |
| 25 September | Zelenodolsk Gorky Plant | Zelenedolsk, Russia | BO-361 | Kronshtadt-class submarine chaser | [1] | |
| 30 September | Zelenodolsk Gorky Plant | Zelenedolsk, Russia | BO-362 | Kronshtadt-class submarine chaser | [1] | |
| 4 October | Zelenodolsk Gorky Plant | Zelenedolsk, Russia | BO-363 | Kronshtadt-class submarine chaser | [1] | |
| 10 October | Zelenodolsk Gorky Plant | Zelenedolsk, Russia | BO-364 | Kronshtadt-class submarine chaser | [1] | |
| 16 October | Zelenodolsk Gorky Plant | Zelenedolsk, Russia | BO-365 | Kronshtadt-class submarine chaser | [1] | |
| 16 October | Portsmouth Naval Shipyard | Kittery, Maine | Wahoo | Tang-class submarine | ||
| 11 November | Zelenodolsk Gorky Plant | Zelenedolsk, Russia | BO-366 | Kronshtadt-class submarine chaser | [1] | |
| 30 November | Canadian Vickers | Montreal, Quebec | St. Laurent | St. Laurent-class destroyer | First in class | |
| 3 December | Electric Boat | Groton, Connecticut | Harder | Tang-class submarine | ||
| 17 December | Zelenodolsk Gorky Plant | Zelenedolsk, Russia | BO-367 | Kronshtadt-class submarine chaser | [1] | |
| 17 December | Zelenodolsk Gorky Plant | Zelenedolsk, Russia | BO-368 | Kronshtadt-class submarine chaser | [1] | |
| 30 December | Zelenodolsk Gorky Plant | Zelenedolsk, Russia | BO-369 | Kronshtadt-class submarine chaser | [1] | |
| 31 December | Zelenodolsk Gorky Plant | Zelenedolsk, Russia | BO-370 | Kronshtadt-class submarine chaser | [1] | |
| Unknown date | Helsingør Skibs og Maskinbyggeri | Helsingør | Saint Germain | Train ferry | For SNCF |
See also
| Ship events in 1951 | |||||||||||
| Ship launches: | 1946 | 1947 | 1948 | 1949 | 1950 | 1951 | 1952 | 1953 | 1954 | 1955 | 1956 |
| Ship commissionings: | 1946 | 1947 | 1948 | 1949 | 1950 | 1951 | 1952 | 1953 | 1954 | 1955 | 1956 |
| Ship decommissionings: | 1946 | 1947 | 1948 | 1949 | 1950 | 1951 | 1952 | 1953 | 1954 | 1955 | 1956 |
| Shipwrecks: | 1946 | 1947 | 1948 | 1949 | 1950 | 1951 | 1952 | 1953 | 1954 | 1955 | 1956 |