| Country | Builder | Location | Ship | Class | Notes |
1 January | France | Chantiers & Ateliers de Provence | Port-de-Bouc | Général Bonaparte | Passenger ship | For Compagnie Marseillaise de Navires à Vapeur |
16 January | United Kingdom | Harland & Wolff | Belfast | Davisian | Cargo ship | For F. Leyland.[1] |
18 January | United Kingdom | Harland & Wolff | Belfast | Inveravon | Tanker | For British Mexican Petroleum Company.[2] |
18 January | Japan | Kawasaki | Kobe | Submarine No. 69 (Ro-30) | Kaichū V-type submarine | For Imperial Japanese Navy |
20 January | United Kingdom | Harland & Wolff | Belfast | Invergordon | Tanker | For British Mexican Petroleum Company.[3] |
1 February | United Kingdom | Harland & Wolff | Belfast | Araby | Cargo ship | For David MacIver & Co.[4] |
2 February | Denmark | Burmeister & Wain | Copenhagen | Hussar | Luxury yacht | For E F Hutton |
2 February[5] | United Kingdom | Cammell Laird | Birkenhead | Sarpedon | Refrigerated[5] Cargo liner | For Blue Funnel Line |
15 February | United Kingdom | Harland & Wolff Ltd | Belfast | Mooltan | Ocean liner | For Peninsular and Oriental Steam Navigation Company |
15 February | Japan | Kawasaki | Kobe | Submarine No. 70 (Ro-31) | Kaichū V-type submarine | For Imperial Japanese Navy |
16 February | United Kingdom | Harland & Wolff | Belfast | Delilian | Passenger ship | For F. Leyland & Co.[6] |
17 February[7] | United States | Sun Shipbuilding & Drydock Company | Chester, Pennsylvania | Dickenson | Cargo ship | |
13 March[8] | United Kingdom | Scotts Shipbuilding & Engineering Co Ltd[8] | Greenock | Patroclus | Cargo Liner | For Blue Funnel Line |
16 March | Japan | Uraga Dock Company | Uraga | Abukuma | Nagara-class cruiser | For Imperial Japanese Navy |
19 March | Japan | Kawasaki | Kobe | Submarine No. 71 (Ro-32) | Kaichū V-type submarine | For Imperial Japanese Navy |
22 March | United Kingdom | Harland & Wolff | Belfast | Minnewaska | Passenger ship | For Atlantic Transport Line. |
31 March | United States | William Cramp & Sons | Philadelphia | S-43 | S-class submarine | For United States Navy |
4 April | United Kingdom | Harland & Wolff | Belfast | Dorelian | Cargo ship | For F. Leyland & Co.[9] |
16 April | United States | William Cramp & Sons | Philadelphia | Trenton | Omaha-class cruiser | For United States Navy |
16 April | United States | William Cramp & Sons | Philadelphia | Medusa | Monitor | For United States Navy |
17 April | United Kingdom | Alexander Stephen & Sons Ltd | Glasgow | California | Ocean liner | For Peninsular and Oriental Steam Navigation Company |
19 April | United Kingdom | Harland & Wolff | Belfast | Laguna | Cargo ship | For Pacific Steam Navigation Company.[10] |
19 April | United Kingdom | Harland & Wolff Ltd | Belfast | Maloja | Ocean liner | For Peninsular and Oriental Steam Navigation Company |
28 April | Germany | Blohm & Voss | Hamburg | Deutschland | Ocean liner | For Hamburg-Amerika Line |
30 April | United Kingdom | Harland & Wolff | Belfast | Oakton | Cargo ship | For Matthews Steamship Co.[11] |
30 April | United States | Bethlehem Shipbuilding Corporation | Quincy, Massachusetts | S-42 | S-class submarine | For United States Navy |
19 May | Japan | Mitsubishi | Kobe | Submarine No. 72 (Ro-61) | Type L4 submarine | For Imperial Japanese Navy |
19 May | Germany | G. Seebeck AG | Wesermünde | Fladengrund | Fishing trawler | For Norddeutsche Hochseefischerei. |
5 June | Japan | Sasebo Naval Arsenal | Sasebo | Yūbari | Light cruiser | For Imperial Japanese Navy |
12 June | Japan | Kure Naval Arsenal | Kure | Submarine No. 51 (I-52/I-152) | Kaidai II-type submarine | For Imperial Japanese Navy |
26 June | United States | William Cramp & Sons | Philadelphia | S-45 | S-class submarine | For United States Navy |
June | Germany | G. Seebeck AG. | Wesermünde-Geestemünde | Carsten | Fishing trawler | For L. Janssen & Co. |
31 July | United Kingdom | Swan, Hunter & Wigham Richardson Ltd. | Liverpool | Lesbian | Cargo ship | For Ellerman Lines Ltd |
14 August | France | Arsenal de Brest | Brest | Duguay-Trouin | Duguay-Trouin-class cruiser | For Marine Nationale |
11 September | United States | Bethlehem Shipbuilding Corporation | Quincy, Massachusetts | S-46 | S-class submarine | For United States Navy |
12 September | Norway | Trondhjems mekaniske Værksted | Trondheim | Nordnorge | Cargo liner | For Ofotens Dampskibsselskap |
19 September | Japan | Mitsubishi | Kobe | Submarine No. 73 (Ro-62) | Type L4 submarine | For Imperial Japanese Navy |
9 October | United States | William Cramp & Sons | Philadelphia | Marblehead | Omaha-class cruiser | For United States Navy |
11 October | United Kingdom | Harland & Wolff | Belfast | Gujarat | Passenger ship | For Bank Line.[12] |
12 October | United States | | | Whitney | Dobbin-class destroyer tender | For United States Navy |
2 February | Spain | Sociedad Española de Construcción Naval | Ferrol | Almirante Cervera | Almirante Cervera-class cruiser | For Armada Española |
26 October | Japan | Kawasaki Shipbuilding Yard | | Mamiya | Food supply ship | For Imperial Japanese Navy |
27 October | United States | Bethlehem Shipbuilding Corporation | Quincy, Massachusetts | S-44 | S-class submarine | For United States Navy |
15 November | United Kingdom | Harland & Wolff | Belfast | Invergarry | Tanker | For British Mexican Petroleum Company.[13] |
22 November | United Kingdom | Harland & Wolff | Belfast | Kathiawar | Passenger ship | For Bank Line.[14] |
23 November | Germany | Norderwerft AG | Wesermünde | Claus Rickmers | Cargo ship | For Rickmers Reederei |
30 October | Japan | Maizuru Naval Arsenal | Maizuru | Matsukaze | Kamikaze-class destroyer | For Imperial Japanese Navy |
8 December | United Kingdom | Harland & Wolff | Belfast | Lochmonar | Cargo ship | For Royal Mail Line.[15] |
15 December | Finland | Sandvikens Skeppsdocka och Mekaniska Verkstads Ab | Helsinki | Voima | Icebreaker | For Finnish Board of Navigation |
18 December[16] | United Kingdom | Robert Thompson & Sons Ltd | Sunderland | Scoresby | Cargo ship | For Headlam & Sons |
Date unknown | United Kingdom | Burntisland Shipbuilding Co. Ltd | Burntisland | Asiatic | Cargo ship | For private owner. |
Date unknown | United Kingdom | J. Priestman & Co. Ltd. | Sunderland | Barbara Marie | Cargo ship | For private owner. |
Date unknown | Italy | Stabilimento Technico Triestino | Trieste | Carso | Cargo ship | For Lloyd Triestino. |
Date unknown | Germany | Neptun AG | Rostock | Charlotte Cords | Cargo ship | For Dampfschiff Gesellschaft August Cords GmbH |
Date unknown | Germany | Blohm & Voss | Hamburg | Gera | Cargo ship | For Hamburg America Line. |
Date unknown | Germany | Neptun AG | Rostock | Grete | Cargo ship | For C Mohlenburg Reederei GmbH |
Date unknown | Germany | F Schichau | Hamburg | Heinrich Arp | Cargo ship | For H F C Arp Dampschiffs Reederei |
Date unknown | United Kingdom | J. Samuel White | Cowes | H F Bailey | Lifeboat | For Royal National Lifeboat Institution |
Date unknown | Germany | Nordseewerke. | Emden | Ilona Siemers | Cargo ship | For G. J. H. Siemers. |
Date unknown | Germany | Schiffswerke AG. | Hamburg | Pasajes | Cargo ship | For Oldenburg-Portuguese Line. |
Date unknown | Germany | Union Giesserei. | königsberg | Pickhuben | Cargo ship | For H. M. Gehrckens. |
Date unknown | Germany | Nüscke & Co | Stettin | Rhenania | Cargo ship | For Westdeutsche Schiffahrts AG |
Date unknown | United Kingdom | J. Readhead & Sons Ltd. | South Shields | Steelville | Cargo ship | For private owner. |
Date unknown | Germany | Stettiner Oderwerke AG | Stettin | Stettin | Cargo ship | For Stettiner Dampfer Compagnie AG |