| | Country | Builder | Location | Ship | Class | Notes |
| 18 January | United Kingdom | John Brown & Company | Clydebank | Skipjack | Halcyon-class minesweeper | For Royal Navy |
| 30 January | United Kingdom | Scotts Shipbuilding & Engineering Company | Greenock | Escapade | E-class destroyer | For Royal Navy |
| 7 February | United Kingdom | HM Dockyard | Portsmouth | Exmouth | E-class destroyer | For Royal Navy |
| 15 February | United Kingdom | Hawthorn Leslie and Company | Hebburn | Electra | E-class destroyer | For Royal Navy |
| 16 February | United Kingdom | William Denny & Brothers | Dumbarton | Echo | E-class destroyer | For Royal Navy |
| 1 March | United Kingdom | Vickers Armstrong | Barrow-in-Furness | Ajax | Leander-class cruiser | For Royal Navy |
| 11 March | Germany | Norderwerft Koser und Meyer | Hamburg | Krischan | Krischan-class seaplane tender | For the Luftwaffe |
| 15 March | United Kingdom | Swan Hunter & Wigham Richardson Ltd | Newcastle upon Tyne | Twickenham Ferry | Train Ferry | For the Southern Railway |
| 19 March | United Kingdom | Swan Hunter & Wigham Richardson Ltd | Wallsend | Esk | E-class destroyer | For Royal Navy |
| 29 March | United Kingdom | Hawthorn Leslie and Company | Hebburn | Encounter | E-class destroyer | For Royal Navy |
| 29 March | United Kingdom | Scotts Shipbuilding & Engineering Company | Greenock | Escort | E-class destroyer | For Royal Navy |
| 12 April | United Kingdom | William Denny & Brothers | Dumbarton | Eclipse | E-class destroyer | For Royal Navy |
| 17 April | United Kingdom | John I. Thornycroft & Company | Southampton | Harrier | Halcyon-class minesweeper | For Royal Navy |
| 1 May | United Kingdom | Harland & Wolff | Belfast | Waiwera | Refrigerated cargo ship | For Shaw Savill Line.[1] |
| 9 May | United Kingdom | Harland & Wolff | Belfast | Idalia | Motor yacht | For Alan F. Craig.[2] |
| 12 May | United Kingdom | Cammell Laird | Birkenhead | Fearless | F-class destroyer | For Royal Navy |
| 29 May | United Kingdom | Swan Hunter & Wigham Richardson Ltd | Tyne and Wear | Express | E-class destroyer | For Royal Navy |
| 8 June | Germany | H. C. Stülcken Sohn | Hamburg | August Bösch | Fishing trawler | For C. C. H. Bösch |
| 12 June | United Kingdom | Yarrow Shipbuilders | Scotstoun, Glasgow | Faulknor | F-class destroyer | For Royal Navy |
| 14 June | United Kingdom | Harland & Wolff | Belfast | Sir Hastings Anderson | Target towing ship | For Royal Navy.[3] |
| 28 June | United Kingdom | Parsons | Wallsend | Fame | F-class destroyer | For Royal Navy |
| 28 June | United Kingdom | Parsons | Wallsend | Firedrake | F-class destroyer | For Royal Navy |
| 28 June | United Kingdom | J. Samuel White | Cowes | Forester | F-class destroyer | For Royal Navy |
| 28 June | United Kingdom | Harland & Wolff | Belfast | Waipawa | Refrigerated cargo ship | For Shaw Savill Line.[4] |
| 29 June | United Kingdom | Cammell Laird | Birkenhead | Foresight | F-class destroyer | For Royal Navy |
| 30 June | Germany | Reichsmarinewerft | Wilhelmshaven | Admiral Graf Spee | Deutschland-class cruiser | For Reichsmarine |
| 11 July | Germany | Howaldtswerke | Kiel | Germania | Fishing trawler | For N. Elbing Hochseefischerei AG |
| 26 July | United Kingdom | Harland & Wolff | Belfast | John Dock | Tug | For South African Railways.[5] |
| 27 July | United Kingdom | Portsmouth Naval Dockyard | Portsmouth | Amphion | Leander-class cruiser | For Royal Navy |
| July | Germany | Deschimag Seebeckwerft | Wesermünde | Deutschland | Fishing trawler | For Hanseatische Hochseefischerei AG |
| 16 August | United Kingdom | Harland & Wolff | Belfast | Loch Lomond | Cargo ship | For MacLay & MacIntyre Ltd.[6] |
| 20 August | United Kingdom | Harland & Wolff | Belfast | Flying Falcon | Tug | For Clyde Shipping Co.[7] |
| 27 August | United Kingdom | John I. Thornycroft & Company | Southampton | Hussar | Halcyon-class minesweeper | For Royal Navy |
| 28 August | United Kingdom | Harland & Wolff | Belfast | W. H. Fuller | Tug | For South African Railways.[8] |
| 29 August | United Kingdom | John Brown and Company | Clydebank, Scotland | Fortune | F-class destroyer | For Royal Navy |
| 10 September | United Kingdom | J. Samuel White | Cowes | Fury | F-class destroyer | For Royal Navy |
| 22 September | United Kingdom | Swan Hunter & Wigham Richardson Ltd | Wallsend-on-Tyne | Sydney | Leander-class cruiser | For Royal Australian Navy |
| 26 September | United Kingdom | John Brown and Company | Clydebank, Scotland | Queen Mary | Ocean liner | For Cunard Line |
| September | Germany | Deschimag Seebeckwerft | Wesermünde | Haltenbank | Fishing trawler | For Norddeutsche Hochseefischerei AG. |
| 6 October | Germany | Norderwerft Köser & Mayer | Hamburg | Hinrich Hey | Fishing trawler | For Julius H. Fock & Hans J. M. Pickenpack |
| 6 October | Germany | Deschimag Seebeckwerft | Wesermünde | J. Hinrich Wilhelms | Fishing trawler | For Hochseefischerei Carl Kämpf Partenreederei |
| 9 October | United Kingdom | Swan, Hunter & Wigham Richardson Ltd. | Newcastle upon Tyen | Ancylus | Tanker | For Anglo-Saxon Petroleum Co. Ltd. |
| 9 October | United Kingdom | Harland & Wolff | Belfast | Imperial Star | Refrigerated cargo ship | For Blue Star Line.[10] |
| 9 October | United Kingdom | Harland & Wolff | Belfast | Wairangi | Refrigerated cargo ship | For Shaw Savill Line.[11] |
| 10 October | Japan | Kure Naval Arsenal | Kure | Ro-33 | Kaichū VI-type submarine | For Imperial Japanese Navy |
| 11 October | United Kingdom | Harland & Wolff | Belfast | Henzada | Cargo ship | For P Henderson & Co.[12] |
| 12 October | United Kingdom | John Brown and Company | Clydebank, Scotland | Foxhound | F-class destroyer | For Royal Navy |
| 16 October | Germany | Bremer Vulkan | Bremen | Zieten | Fishing trawler | For Hochseefischerei F. A. Pust |
| 23 October | United Kingdom | Swan Hunter & Wigham Richardson Ltd | Newcastle upon Tyne | Shepperton Ferry | Train Ferry | For the Southern Railway |
| 7 November | Germany | Bremer Vulkan | Vegesack | Friedrich Busse | Fishing trawler | For Hochseefischerei F. Busse |
| 8 November | United Kingdom | Harland & Wolff | Belfast | Martaban | Cargo ship | For P Henderson & Co.[13] |
| 22 November | United Kingdom | Harland & Wolff | Belfast | New Zealand Star | Refrigerated cargo ship | For Blue Star Line.[14] |
| 24 November | United Kingdom | Workman, Clark Ltd. | Belfast | Acavus | Yanker | For Anglo-Saxon Petroleum Co. Ltd. |
| 1 December | Germany | Howaldtswerke-Deutsche Werft. | Kiel | Gadila | Tanker | For N.V. Petroleum Maatschappij La Corona. |
| 6 December | Germany | Deutsche Werke | Kiel | Nürnberg | Leipzig-class cruiser | For Reichsmarine |
| 6 December | France | Ateliers et Chantiers de la Loire | Saint-Nazaire | Sfax | Redoutable-class submarine | For French Navy |
| 8 December | United Kingdom | Lithgows Ltd. | Port Glasgow | Amastra | Tanker | For Anglo-Saxon Petroleum Co. Ltd. |
| 10 December | United Kingdom | Harland & Wolff | Belfast | Baron Cawdor | Cargo ship | For H. Hogarth & Sons.[16] |
| 15 December | Germany | Blohm + Voss | Hamburg | Grille | Aviso | For Reichsmarine |
| 19 December | United Kingdom | Harland & Wolff | Belfast | Anadara | Tanker | For Anglo-Saxon Petroleum Co.[17] |
| 19 December | Poland | CRDA yard | Monfalcone, Italy | Piłsudski | Ocean liner | For PTTO |
| 20 December | Germany | Bremer Vulkan. | Vegesack | Alexia | Tanker | For Anglo-Saxon Petroleum Co. Ltd. |
| 20 December | United Kingdom | Harland & Wolff | Belfast | Roslin Castle | Refrigerated cargo ship | For Union-Castle Line.[18] |
| 20 December | United Kingdom | Lithgows | Port Glasgow | Triaster | Cargo Liner | For the British Phosphates Commissioners |
| Unknown date | United States | Alabama Drydock and Shipbuilding Company | Mobile, Alabama | A. G. & P. Co. No. 30 | Dredger | For Atlantic, Gulf and Pacific Steamship Corporation.[19] |
| Unknown date | United States | Alabama Drydock and Shipbuilding Company | Mobile, Alabama | Alabama | Ferry | For Alabama Drydock and Shipbuilding Company.[19] |
| Unknown date | United Kingdom | Blyth Dry Docks & Shipbuilding Co. Ltd | Blyth, Northumberland | B.H.C. Barge No. 2 | Barge | For Blyth Harbour Commissioners.[20] |
| Unknown date | United Kingdom | James Pollock & Sons | Faversham | Camroux I | Coaster | For Newcastle Coal & Shipping Co Ltd. |
| Unknown date | United Kingdom | Bartram & Sons Ltd | Sunderland | Eskdene | Cargo ship | For Dene Shipmanagement Co. Ltd. |
| Unknown date | Germany | Bremer Vulkan Schiff- und Maschinenbau | Bremen | Pelikan | Refrigerated cargo ship | For Afrikanische Frucht-Cie AG |
| Unknown date | United Kingdom | Arthur R. Brown Ltd | Wivenhoe | Rodney | Tug | For private owner.[23] |
| Unknown date | United Kingdom | Arthur R. Brown Ltd | Wivenhoe | Rodney II | Tug | For W. T. Beaumont & Sons Ltd.[24] |
| Unknown date | United Kingdom | J. Bolson & Son Ltd. | Poole | Skylark 9 | Motor vessel | For J. Bolson & Son Ltd.[25] |
| Unknown date | Germany | Deutsche Werft. | Hamburg | Sofia | Cargo ship | For private owner. |
| Unknown date | Germany | Deutsche Werke | Kiel | Sylt | Coastal tanker | For Carl W Hansen Tankschiffs, Hamburg |
| Unknown date | United States | Alabama Drydock and Shipbuilding Company | Mobile, Alabama | No. 256 | Barge | For United States Army Corps of Engineers.[19] |
| Unknown date | United States | Alabama Drydock and Shipbuilding Company | Mobile, Alabama | No. 258 | Barge | For United States Army Corps of Engineers.[19] |
| Unknown date | United States | Alabama Drydock and Shipbuilding Company | Mobile, Alabama | No. 271 | Barge | For United States Army Corps of Engineers.[19] |
| Unknown date | United States | Alabama Drydock and Shipbuilding Company | Mobile, Alabama | No. 274 | Barge | For United States Army Corps of Engineers.[19] |