| | Country | Builder | Location | Ship | Class / type | Notes |
| 19 January | United Kingdom | Harland & Wolff | Belfast | Loch Gowan | Cargo ship | For Royal Mail Line.[1] |
| 19 January | United Kingdom | Blyth Dry Docks & Shipbuilding Co. Ltd | Blyth, Northumberland | Perak | Cargo ship | For Straits Steamship Co. Ltd.[2] |
| 21 January | United Kingdom | Harland and Wolff | Belfast | Iberia | Himalaya-class ocean liner | For Peninsular and Oriental Steam Navigation Company. |
| 21 January | United States | Electric Boat | Groton, Connecticut | Nautilus | Unique nuclear-powered submarine | |
| 3 February | United Kingdom | Harland & Wolff | Belfast | Ballylumford | Collier | For John Kelly Ltd.[3] |
| 4 February | United Kingdom | Harland & Wolff | Belfast | Tintagel Castle | Cargo ship | For Union-Castle Line.[4] |
| 9 February | United States | Ingalls Shipbuilding | Pascagoula, Mississippi | Thomaston | Thomaston-class dock landing ship | First in class |
| 12 February | Canada | Marine Industries Limited | Sorel, Quebec | Assiniboine | St. Laurent-class destroyer | |
| 13 February | United Kingdom | J. Samuel White | Cowes, Isle of Wight | Grafton | Blackwood-class frigate | |
| 17 February | United Kingdom | John Brown & Company | Clydebank, Scotland | Saxonia | Saxonia-class ocean liner | For Cunard Line |
| 18 February | United Kingdom | Harland & Wolff | Belfast | Kirkliston | Ton-class minesweeper | For Royal Navy. |
| 19 February | United Kingdom | Harland & Wolff | Belfast | Braysford | Defence vessel | For Royal Navy.[5] |
| 6 March | United Kingdom | J. Bolson & Son Ltd. | Poole | Bisham | Ham-class minesweeper | For Royal Navy.[6] |
| 11 March | United Kingdom | Berthon Boat Company | Lymington | Mickleham | Ham-class minesweeper | For Royal Navy |
| 19 March | United Kingdom | Harland & Wolff | Belfast | YC 327 | Lighter | For Admiralty |
| 2 April | United Kingdom | Harland & Wolff | Belfast | Bryansford | Defence vessel | For Royal Navy.[7] |
| 4 April | United Kingdom | Brooke Marine Ltd. | Lowestoft | Littleham | Ham-class minesweeper | For Royal Navy.[8] |
| 14 April | United Kingdom | Harland & Wolff | Belfast | British Sergeant | Tanker | For British Tanker Company.[9] |
| 30 April | United Kingdom | Blyth Dry Docks & Shipbuilding Co. Ltd | Blyth, Northumberland | Timbarra | Collier | For Australian Government.[10] |
| 3 May | Australia | Williamstown Dockyard | Melbourne, Victoria | Vendetta | Daring-class destroyer | |
| 7 May | United States | Ingalls Shipbuilding | Pascagoula, Mississippi | Plymouth Rock | Thomaston-class dock landing ship | |
| 18 May | United Kingdom | Harland & Wolff | Belfast | Laleston | Ton-class minesweeper | For Royal Navy.[11] |
| 22 May | United States | Christy Shipbuilding | Sturgeon Bay, Wisconsin | Windham County | Terrebonne Parish-class tank landing ship | |
| May | United States | Alabama Drydock and Shipbuilding Company | Mobile, Alabama | Coastwise No. 2 | Hopper barge | For Coastwise Transportation Line.[12] |
| 2 June | United Kingdom | Harland & Wolff | Belfast | Pontia | Cargo ship | For Pelagos A/S.[13] |
| 4 June | United States | Bath Iron Works | Bath, Maine | Cromwell | Dealey-class destroyer escort | |
| 15 June | Canada | Burrard Dry Dock | Vancouver, British Columbia | Kootenay | Restigouche-class destroyer | |
| 15 June | West Germany | Gustav Wolkau | Baumwall | ferry type 0 | For HADAG | |
| 29 June | United Kingdom | Harland & Wolff | Belfast | Cerinthus | Tanker | For Hadley Shipping Co.[14] |
| June | United States | Alabama Drydock and Shipbuilding Company | Mobile, Alabama | SK 201 | Barge | For International Paper Co.[12] |
| June | United States | Alabama Drydock and Shipbuilding Company | Mobile, Alabama | SK 202 | Barge | For International Paper Co.[12] |
| June | United States | Alabama Drydock and Shipbuilding Company | Mobile, Alabama | SK 203 | Barge | For International Paper Co.[12] |
| June | United States | Alabama Drydock and Shipbuilding Company | Mobile, Alabama | SK 204 | Barge | For International Paper Co.[12] |
| 1 July | United Kingdom | Harland and Wolff | Belfast | Torquay | Whitby-class frigate | For Royal Navy. |
| 2 July | United Kingdom | Cammell Laird | Birkenhead, England | Whitby | Whitby-class frigate | First in class |
| 16 July | United States | Ingalls Shipbuilding | Pascagoula, Mississippi | Fort Snelling | Thomaston-class dock landing ship | |
| 19 July | United Kingdom | Bartram & Sons | Sunderland, England | Hannington Court | Cargo ship | For Court Line |
| 30 July | United Kingdom | Atlantic Shipbuilding Co. Ltd | Newport | Baie Comeau | Bulk carrier | For Quebec & Ontario Transportation Co. Ltd.[15] |
| 30 July | United Kingdom | Harland & Wolff | Belfast | Lanton | Ton-class minesweeper | For Royal Navy.[16] |
| July | United States | Alabama Drydock and Shipbuilding Company | Mobile, Alabama | SK 205 | Barge | For International Paper Co.[12] |
| July | United States | Alabama Drydock and Shipbuilding Company | Mobile, Alabama | SK 206 | Barge | For International Paper Co.[12] |
| 13 August | United States | Bellingham Shipyards Co. | Bellingham, Washington | Whippoorwill | Redwing-class minesweeper | |
| 17 August | United Kingdom | Harland & Wolff | Belfast | Southern Cross | Passenger ship | For Shaw Savill Line. |
| 20 August | United States | Bath Iron Works | Bath, Maine | Hammerberg | Dealey-class destroyer escort | |
| 31 August | United Kingdom | Yarrow Shipbuilders | Glasgow, Scotland | Keppel | Blackwood-class frigate | |
| 1 September | United Kingdom | Harland & Wolff | Belfast | Tide Austral | Tanker | For Royal Australian Navy. |
| 28 September | United Kingdom | Harland & Wolff | Belfast | Belfast | Tanker | For Belships Co.[17] |
| 28 September | United States | Ingalls Shipbuilding | Pascagoula, Mississippi | Point Defiance | Thomaston-class dock landing ship | |
| 29 September | United Kingdom | Harland & Wolff | Belfast | Cedarbank | Cargo ship | For Blue Funnel Line.[18] |
| 29 September | United Kingdom | Swan Hunter | Wallsend, England | Pellew | Blackwood-class frigate | |
| 1 October | United Kingdom | Harland & Wolff | Belfast | Owerri | Cargo ship | For Elder Dempster.[19] |
| 15 October | United Kingdom | Brooke Marine Ltd. | Lowestoft | Nautilus | Hopper ship | For Queensland Government.[20] |
| 26 October | United Kingdom | Harland & Wolff | Belfast | Letterston | Ton-class minesweeper | For Royal Navy.[21] |
| 28 October | United Kingdom | J. Bolson & Son Ltd. | Poole | Sheldrake | Launch | For Shell Tankers Ltd.[22] |
| 29 October | England | Swan, Hunter & Wigham Richardson | Newcastle | Port Sydney | | For Port Line[23] |
| 22 November | Canada | Canadian Vickers | Montreal, Quebec | Restigouche | Restigouche-class destroyer | First in class |
| 27 November | United Kingdom | Blyth Dry Docks & Shipbuilding Co. Ltd | Blyth, Northumberland | Vardefjell | Tanker | For A/S Falkefjell.[24] |
| 10 December | United Kingdom | Swan Hunter | Wallsend, England | Russell | Blackwood-class frigate | |
| 11 December | United States | Newport News Shipbuilding | Newport News, Virginia | Forrestal | Forrestal-class aircraft carrier | First in class |
| 14 December | United Kingdom | John Brown & Company | Clydebank, Scotland | Ivernia | Saxonia-class ocean liner | For Cunard Line |
| 29 December | United Kingdom | Harland & Wolff | Belfast | Western Prince | Cargo ship | For Prince Line.[25] |
| 31 December | United Kingdom | J. Bolson & Son Ltd. | Poole | Puffin | Launch | For Shell Tankers Ltd.[26] |
| December | United States | Alabama Drydock and Shipbuilding Company | Mobile, Alabama | S-11 | Barge | For Benton & Co. Inc.[12] |
| December | United States | Alabama Drydock and Shipbuilding Company | Mobile, Alabama | S-12 | Barge | For Benton & Co. Inc.[12] |
| Unknown date | United States | Alabama Drydock and Shipbuilding Company | Mobile, Alabama | Bernard N.1 | Barge | For J. C. C. Bernard.[12] |
| Unknown date | United States | Alabama Drydock and Shipbuilding Company | Mobile, Alabama | CBC-501 | Hopper barge | For Canal Barge Co. Inc.[12] |
| Unknown date | United States | Alabama Drydock and Shipbuilding Company | Mobile, Alabama | CBC-502 | Hopper barge | For Canal Barge Co. Inc.[12] |
| Unknown date | United States | Alabama Drydock and Shipbuilding Company | Mobile, Alabama | CBC-503 | Hopper barge | For Canal Barge Co. Inc.[12] |
| Unknown date | United States | Alabama Drydock and Shipbuilding Company | Mobile, Alabama | CBC-504 | Hopper barge | For Canal Barge Co. Inc.[12] |
| Unknown date | United States | Alabama Drydock and Shipbuilding Company | Mobile, Alabama | J.H.C. 718 | Barge | For J. H. Coppedge Co.[12] |
| Unknown date | United States | Alabama Drydock and Shipbuilding Company | Mobile, Alabama | J.H.C. 719 | Barge | For J. H. Coppedge Co.[12] |
| Unknown date | United States | Alabama Drydock and Shipbuilding Company | Mobile, Alabama | J.H.C. 720 | Barge | For J. H. Coppedge Co.[12] |
| Unknown date | United States | Alabama Drydock and Shipbuilding Company | Mobile, Alabama | J.H.C. 721 | Barge | For J. H. Coppedge Co.[12] |
| Unknown date | United States | Alabama Drydock and Shipbuilding Company | Mobile, Alabama | J.H.C. 722 | Barge | For J. H. Coppedge Co.[12] |
| Unknown date | United States | Alabama Drydock and Shipbuilding Company | Mobile, Alabama | J.H.C. 723 | Barge | For J. H. Coppedge Co.[12] |
| Unknown date | United States | Alabama Drydock and Shipbuilding Company | Mobile, Alabama | J.H.C. 724 | Barge | For J. H. Coppedge Co.[12] |
| Unknown date | United States | Alabama Drydock and Shipbuilding Company | Mobile, Alabama | J.H.C. 1000 | Barge | For J. H. Coppedge Co.[12] |
| Unknown date | United States | Alabama Drydock and Shipbuilding Company | Mobile, Alabama | L.C.D. & T. Co. No.107 | Barge | For Lake Charles Dredging.[12] |
| Unknown date | United Kingdom | Bay Wharf Construction Co. Ltd. | Greenwich | Mercurian | Tug | For Mercantile Lighterage Co. Ltd.[27] |
| Unknown date | United States | Alabama Drydock and Shipbuilding Company | Mobile, Alabama | S-44 Rig No. 12 | Drill barge | For The California Company.[12] |
| Unknown date | United States | Alabama Drydock and Shipbuilding Company | Mobile, Alabama | No. 138 | Barge | For Warrior & Gulf Navigation.[12] |
| Unknown date | United States | Alabama Drydock and Shipbuilding Company | Mobile, Alabama | No. 139 | Barge | For Warrior & Gulf Navigation.[12] |
| Unknown date | United States | Alabama Drydock and Shipbuilding Company | Mobile, Alabama | No. 140 | Barge | For Warrior & Gulf Navigation.[12] |
| Unknown date | United States | Alabama Drydock and Shipbuilding Company | Mobile, Alabama | No. 141 | Barge | For Warrior & Gulf Navigation.[12] |
| Unknown date | United States | Alabama Drydock and Shipbuilding Company | Mobile, Alabama | No. 142 | Barge | For Warrior & Gulf Navigation.[12] |
| Unknown date | United States | Alabama Drydock and Shipbuilding Company | Mobile, Alabama | No. 143 | Barge | For Warrior & Gulf Navigation.[12] |
| Unknown date | United States | Alabama Drydock and Shipbuilding Company | Mobile, Alabama | No. 144 | Barge | For Warrior & Gulf Navigation.[12] |
| Unknown date | United States | Alabama Drydock and Shipbuilding Company | Mobile, Alabama | No. 145 | Barge | For Warrior & Gulf Navigation.[12] |
| Unknown date | United States | Alabama Drydock and Shipbuilding Company | Mobile, Alabama | No. 146 | Barge | For Warrior & Gulf Navigation.[12] |
| Unknown date | United States | Alabama Drydock and Shipbuilding Company | Mobile, Alabama | No. 147 | Barge | For Warrior & Gulf Navigation.[12] |
| Unknown date | United States | Alabama Drydock and Shipbuilding Company | Mobile, Alabama | No. 148 | Barge | For Warrior & Gulf Navigation.[12] |
| Unknown date | United States | Alabama Drydock and Shipbuilding Company | Mobile, Alabama | No. 149 | Barge | For Warrior & Gulf Navigation.[12] |
| Unknown date | United States | Alabama Drydock and Shipbuilding Company | Mobile, Alabama | Unnamed | Barge | For A. C. Thomas.[12] |