| Date  |  Country  |  Builder  |  Location  |  Ship  |  Class / type  |  Notes  | 
  | 9 January  |    United Kingdom  |  Blyth Dry Docks & Shipbuilding Co. Ltd  |  Blyth, Northumberland  |  Cuzco  |  Cargo ship  |  For Pacific Steam Navigation Co. Ltd.[1]  | 
  | 12 January  |    United Kingdom  |  Harland & Wolff  |  Belfast  |  Dalfonn  |  Tanker  |  For Sigval Bergsen.[2]  | 
  | 24 January  |    Soviet Union  |  Zelenodolsk Gorky Plant  |  Zelenedolsk  |  BO-339  |  Kronshtadt-class submarine chaser  |  [3]  | 
  | 24 January  |    Spain  |  Sociedad Española de Construcción Naval  |  Ferrol  |  Audaz  |  Audaz-class destroyer  |  For Spanish Navy  | 
  | 27 January  |    United States  |  Fore River Shipyard  |  Quincy, Massachusetts  |  Northampton  |  Unique command cruiser  |    | 
  | 8 February  |    United Kingdom  |  Harland & Wolff  |  Belfast  |  Orkdal  |  Tanker  |  For Moltzaua & Christensen.[5]  | 
  | 16 February  |    Soviet Union  |  Zelenodolsk Gorky Plant  |  Zelenedolsk  |  BO-340  |  Kronshtadt-class submarine chaser  |  [3]  | 
  | 2 March  |    United States  |  Electric Boat  |  Groton, Connecticut  |  K-1  |  Barracuda-class submarine  |  First in class  | 
  | 3 March  |    Soviet Union  |  Zelenodolsk Gorky Plant  |  Zelenedolsk  |  BO-341  |  Kronshtadt-class submarine chaser  |  [3]  | 
  | 8 March  |    United Kingdom  |  John Brown and Company  |  Clydebank, Scotland  |  Norfolk Ferry  |  Train ferry  |  For British Transport Commission  | 
  | 12 March  |    United Kingdom  |  Harland & Wolff  |  Belfast  |  Simba  |  Tug  |  For East African Railways.[6]  | 
  | 13 March  |    Soviet Union  |  Zelenodolsk Gorky Plant  |  Zelenedolsk  |  BO-342  |  Kronshtadt-class submarine chaser  |  [3]  | 
  | 21 March  |    Soviet Union  |  Zelenodolsk Gorky Plant  |  Zelenedolsk  |  BO-343  |  Kronshtadt-class submarine chaser  |  [3]  | 
  | 28 March  |    United Kingdom  |  Alexander Stephen and Sons  |  Glasgow, Scotland  |  Aureol  |  Ocean Liner  |  For Elder Dempster Lines  | 
  | 29 March  |    Soviet Union  |  Zelenodolsk Gorky Plant  |  Zelenedolsk  |  BO-344  |  Kronshtadt-class submarine chaser  |  [3]  | 
  | 31 March  |    Soviet Union  |  Zelenodolsk Gorky Plant  |  Zelenedolsk  |  BO-345  |  Kronshtadt-class submarine chaser  |  [3]  | 
  | March  |    United States  |  Alabama Drydock and Shipbuilding Company  |  Mobile, Alabama  |  OBL Expeditor  |  Towboat  |  For Ohio Barge Line Inc.[7]  | 
  | March  |    United States  |  Alabama Drydock and Shipbuilding Company  |  Mobile, Alabama  |  P.O. 2001  |  Tank barge  |  For Pure Oil Company.[7]  | 
  | 5 April  |    United Kingdom  |  Harland & Wolff  |  Belfast  |  Rhodesia Castle  |  Passenger ship  |  For Union-Castle Line.[8]  | 
  | 6 April  |    Soviet Union  |  Zelenodolsk Gorky Plant  |  Zelenedolsk  |  BO-346  |  Kronshtadt-class submarine chaser  |  [3]  | 
  | 9 April  |    United Kingdom  |  John I. Thornycroft & Company  |  Southampton, England  |  Duchess  |  Daring-class destroyer  |    | 
  | April  |    United States  |  Alabama Drydock and Shipbuilding Company  |  Mobile, Alabama  |  P.O. 2002  |  Tank barge  |  For Pure Oil Company.[7]  | 
  | 2 May  |    United States  |  Mare Island Naval Shipyard  |  Vallejo, California  |  K-2  |  Barracuda-class submarine  |    | 
  | 3 May  |    United Kingdom  |  Harland & Wolff  |  Belfast  |  Setter 7  |  Whaler  |  For United Whalers.[9]  | 
  | 5 May  |    United Kingdom  |  Harland & Wolff  |  Belfast  |  Bollsta  |  Tanker  |  For Fred. Olsen & Co.[10]  | 
  | 22 May  |    United Kingdom  |  Harland & Wolff  |  Belfast  |  Tank King  |  Tanker  |  For Sigurd Herlofsen A/S.[11]  | 
  | 23 May  |    United Kingdom  |  Harland & Wolff  |  Belfast  |  Nyati  |  Tug  |  For East African Railways.[12]  | 
  | 25 May  |    Soviet Union  |  Zelenodolsk Gorky Plant  |  Zelenedolsk  |  BO-347  |  Kronshtadt-class submarine chaser  |  [3]  | 
  | 27 May  |    Soviet Union  |  Zelenodolsk Gorky Plant  |  Zelenedolsk  |  BO-348  |  Kronshtadt-class submarine chaser  |  [3]  | 
  | May  |    United States  |  Alabama Drydock and Shipbuilding Company  |  Mobile, Alabama  |  P.O. 2003  |  Tank barge  |  For Pure Oil Company.[7]  | 
  | May  |    United States  |  Alabama Drydock and Shipbuilding Company  |  Mobile, Alabama  |  P.O. 2004  |  Tank barge  |  For Pure Oil Company.[7]  | 
  | 7 June  |    Soviet Union  |  Zelenodolsk Gorky Plant  |  Zelenedolsk  |  BO-349  |  Kronshtadt-class submarine chaser  |  [3]  | 
  | 7 June  |    United Kingdom  |  Harland & Wolff  |  Belfast  |  Setter 8  |  Whaler  |  For United Whalers.[13]  | 
  | 14 June  |    United States  |  Electric Boat  |  Groton, Connecticut  |  Trigger  |  Tang-class submarine  |    | 
  | 16 June  |    Italy  |  Ansaldo Shipyards  |  Genoa  |  Andrea Doria  |  Ocean liner  |  For Italian Line  | 
  | 19 June  |    United Kingdom  |  Harland & Wolff  |  Belfast  |  Port Nelson  |  Cargo ship  |  For Port Line.[14]  | 
  | 19 June  |    United States  |  Portsmouth Naval Shipyard  |  Kittery, Maine  |  Tang  |  Tang-class submarine  |  First in class  | 
  | 21 June  |    United Kingdom  |  Harland and Wolff  |  Belfast, Northern Ireland  |  Kenya Castle  |  Ocean liner  |  For Union-Castle Line  | 
  | 21 June  |    United States  |  Mare Island Naval Shipyard  |  Vallejo, California  |  K-3  |  Barracuda-class submarine  |    | 
  | 23 June  |    United States  |  Newport News Shipbuilding  |  Newport News, Virginia  |  United States  |  Ocean liner  |    | 
  | 23 June  |    Soviet Union  |  Zelenodolsk Gorky Plant  |  Zelenedolsk  |  BO-350  |  Kronshtadt-class submarine chaser  |  [3]  | 
  | 2 July  |    United Kingdom  |  Harland & Wolff  |  Belfast  |  France Stove  |  Tanker  |  For Lorentzen A/S.[15]  | 
  | 9 July  |    United Kingdom  |  Harland & Wolff  |  Belfast  |  Star 9  |  Whaler  |  For Hvalfinger A/S.[16]  | 
  | 11 July  |    Soviet Union  |  Zelenodolsk Gorky Plant  |  Zelenedolsk  |  BO-351  |  Kronshtadt-class submarine chaser  |  [3]  | 
  | 27 July  |    Soviet Union  |  Zelenodolsk Gorky Plant  |  Zelenedolsk  |  BO-353  |  Kronshtadt-class submarine chaser  |  [3]  | 
  | 28 July  |    Soviet Union  |  Zelenodolsk Gorky Plant  |  Zelenedolsk  |  BO-352  |  Kronshtadt-class submarine chaser  |  [3]  | 
  | 2 August  |    United Kingdom  |  Harland & Wolff  |  Belfast  |  Eastern Star  |  Cargo ship  |  For Australia China Line.[17]  | 
  | 3 August  |    United Kingdom  |  Harland & Wolff  |  Belfast  |  J. K. Hansen  |  Whaler  |  For Union Whaling Co.[18]  | 
  | 6 August  |    Soviet Union  |  Zelenodolsk Gorky Plant  |  Zelenedolsk  |  BO-354  |  Kronshtadt-class submarine chaser  |  [3]  | 
  | 19 August  |    Soviet Union  |  Zelenodolsk Gorky Plant  |  Zelenedolsk  |  BO-356  |  Kronshtadt-class submarine chaser  |  [3]  | 
  | 21 August  |    United States  |  Electric Boat  |  Groton, Connecticut  |  Trout  |  Tang-class submarine  |    | 
  | 23 August  |    United Kingdom  |  Harland & Wolff  |  Belfast  |  Anders Arvesen  |  Whaler  |  For Union Whaling Co.[19]  | 
  | 1 September  |    Soviet Union  |  Zelenodolsk Gorky Plant  |  Zelenedolsk  |  BO-357  |  Kronshtadt-class submarine chaser  |  [3]  | 
  | 10 September  |    Soviet Union  |  Zelenodolsk Gorky Plant  |  Zelenedolsk  |  BO-358  |  Kronshtadt-class submarine chaser  |  [3]  | 
  | 15 September  |    Soviet Union  |  Zelenodolsk Gorky Plant  |  Zelenedolsk  |  BO-359  |  Kronshtadt-class submarine chaser  |  [3]  | 
  | 22 September  |    Soviet Union  |  Zelenodolsk Gorky Plant  |  Zelenedolsk  |  BO-360  |  Kronshtadt-class submarine chaser  |  [3]  | 
  | 25 September  |    Soviet Union  |  Zelenodolsk Gorky Plant  |  Zelenedolsk  |  BO-361  |  Kronshtadt-class submarine chaser  |  [3]  | 
  | 30 September  |    Soviet Union  |  Zelenodolsk Gorky Plant  |  Zelenedolsk  |  BO-362  |  Kronshtadt-class submarine chaser  |  [3]  | 
  | 4 October  |    Soviet Union  |  Zelenodolsk Gorky Plant  |  Zelenedolsk  |  BO-363  |  Kronshtadt-class submarine chaser  |  [3]  | 
  | 10 October  |    Soviet Union  |  Zelenodolsk Gorky Plant  |  Zelenedolsk  |  BO-364  |  Kronshtadt-class submarine chaser  |  [3]  | 
  | 11 October  |    United Kingdom  |  Harland & Wolff  |  Belfast  |  Iliade  |  Tanker  |  For Societe Navale Delmas Vieljeux.[20]  | 
  | 16 October  |    Soviet Union  |  Zelenodolsk Gorky Plant  |  Zelenedolsk  |  BO-365  |  Kronshtadt-class submarine chaser  |  [3]  | 
  | 16 October  |    United States  |  Portsmouth Naval Shipyard  |  Kittery, Maine  |  Wahoo  |  Tang-class submarine  |    | 
  | 11 November  |    Soviet Union  |  Zelenodolsk Gorky Plant  |  Zelenedolsk  |  BO-366  |  Kronshtadt-class submarine chaser  |  [3]  | 
  | 29 November  |    United Kingdom  |  Harland & Wolff  |  Belfast  |  Ebro  |  Cargo ship  |  For Royal Mail Line.[21]  | 
  | 29 November  |    United Kingdom  |  Harland & Wolff  |  Belfast  |  King Malcolm  |  Cargo ship  |  For King Line.[22]  | 
  | 30 November  |    Canada  |  Canadian Vickers  |  Montreal, Quebec  |  St. Laurent  |  St. Laurent-class destroyer  |  First in class  | 
  | 3 December  |    United States  |  Electric Boat  |  Groton, Connecticut  |  Harder  |  Tang-class submarine  |    | 
  | 17 December  |    Soviet Union  |  Zelenodolsk Gorky Plant  |  Zelenedolsk  |  BO-367  |  Kronshtadt-class submarine chaser  |  [3]  | 
  | 17 December  |    Soviet Union  |  Zelenodolsk Gorky Plant  |  Zelenedolsk  |  BO-368  |  Kronshtadt-class submarine chaser  |  [3]  | 
  | 17 December  |    United Kingdom  |  Harland & Wolff  |  Belfast  |  Roonagh Head  |  Cargo ship  |  For Ulster Steamship Co.[23]  | 
  | 30 December  |    Soviet Union  |  Zelenodolsk Gorky Plant  |  Zelenedolsk  |  BO-369  |  Kronshtadt-class submarine chaser  |  [3]  | 
  | 31 December  |    Soviet Union  |  Zelenodolsk Gorky Plant  |  Zelenedolsk  |  BO-370  |  Kronshtadt-class submarine chaser  |  [3]  | 
  | Unknown date  |    United Kingdom  |  J. Bolson & Son Ltd.  |  Poole  |  Bournemouth Belle  |  Motor vessel  |  For J. Bolson & Son Ltd.[24]  | 
  | Unknown date  |    United Kingdom  |  Bay Wharf Construction Co. Ltd.  |  Greenwich  |  Chastim  |  Tug  |  For Braithwaite & Dean [25]  | 
  | Unknown date  |    Denmark  |  Helsingør Skibs og Maskinbyggeri  |  Helsingør  |  Saint Germain  |  Train ferry  |  For SNCF  | 
  | Unknown date  |    United States  |  Alabama Drydock and Shipbuilding Company  |  Mobile, Alabama  |  3 unnamed vessels  |  Tank barges  |  For The Texas Company.[7]  | 
  | Unknown date  |    United States  |  Alabama Drydock and Shipbuilding Company  |  Mobile, Alabama  |  Unnamed  |  Tank barge  |  For Belcher Towing Co. Prefixed "Barge No.", likely followed by a number.[7]  |