# List of ship launches in 1941

The list of ship launches in 1941 includes a chronological list of ships launched in 1941. In cases where no official launching ceremony was held, the date built or completed may be used instead.
| Date | Country | Builder | Location | Ship | Class | Notes |
| 10 January | United Kingdom | Caledon Shipbuilding & Engineering Co. Ltd. | Dundee | Teddington | Cargo ship | For Britain Steamship Co. |
| 12 January | United Kingdom | Blyth Dry Docks & Shipbuilding Co. Ltd | Blyth, Northumberland | Bardell | Bar-class boom defence vessel | For Royal Navy. |
| 13 January | United Kingdom | Lithgows Ltd. | Port Glasgow | Cape Verde | Cargo ship | For Cape of Good Hope Motorship Co Ltd. |
| 13 January | United Kingdom | Bartram & Sons Ltd | Sunderland | Empire Surf | Cargo ship | For Ministry of Supply. |
| 14 January | United Kingdom | Fairfield Shipbuilding and Engineering Company | Govan | Oribi | O-class destroyer | For Royal Navy |
| 14 January | United Kingdom | Harland & Wolff | Belfast | Palma | Refrigerated cargo ship | For Royal Mail Line. |
| 15 January | United Kingdom | Harland & Wolff | Belfast | Anchusa | Flower-class corvette | For Royal Navy. |
| 15 January | United Kingdom | James Pollock & Sons | Faversham, Kent | Empire Creek | Coaster | For Ministry of Supply. |
| 15 January | United Kingdom | Henry Robb Ltd. | Leith | Underwood | Cargo ship | For Union Steamship Company of New Zealand Ltd. Requisitioned by Ministry of War Transport on completion. |
| 16 January | United Kingdom | Harland & Wolff | Belfast | Armeria | Flower-class corvette | For Royal Navy. |
| 16 January | United Kingdom | William Gray & Co. Ltd. | West Hartlepool | Empire Sunbeam | Cargo ship | For Ministry of Supply. |
| 27 January | United Kingdom | Swan, Hunter & Wigham Richardson Co. Ltd. | Haverton Hill-on-Tees | Ennerdale | Dale-class oiler | For Royal Fleet Auxiliary. Completed as a Gantry Landing Ship. |
| 27 January | United Kingdom | John Readhead & Sons Ltd. | South Shields | Empire Storm | Cargo ship | For Ministry of Supply. |
| 28 January | United Kingdom | Lytham Shipbuilding & Engineering Co. Ltd. | Lytham | Maplefield | Cargo ship | For Zillah Shipping & Carrying Co. Ltd. |
| 28 January | United Kingdom | Hawthorn Leslie & Co. | Hebburn-on-Tyne | Pakenham | P-class destroyer | For Royal Navy |
| 29 January | United Kingdom | Harland & Wolff | Belfast | Blue Ranger | Tanker | For Royal Fleet Auxiliary. |
| 29 January | United Kingdom | Cammell Laird & Co Ltd. | Birkenhead | Lively | L-class destroyer | For Royal Navy |
| 30 January | United Kingdom | Alexander Stephen & Sons | Govan | Croome | Hunt-class destroyer | For Royal Navy |
| 30 January | United Kingdom | Goole Shipbuilding & Reparining Co. Ltd. | Goole | Empire Larch | Larch-class tug | For the Admiralty. |
| 30 January | United Kingdom | William Gray & Co. Ltd. | West Hartlepool | Empire Lake | Collier | For Ministry of War Transport. |
| 7 February | United Kingdom | Lithgows Ltd. | Port Glasgow | Empire Ridge | Ore carrier | For Ministry of War Transport. |
| 10 February | United Kingdom | J. L. Thompson & Sons Ltd. | Sunderland | Empire Sky | Cargo ship | For Ministry of Supply. |
| 11 February | United Kingdom | Sir J.s Laing & Sons Ltd. | Sunderland | Empire Coral | Norwegian type tanker | For Ministry of Supply. |
| 11 February | United Kingdom | Furness Shipbuilding Co. Ltd. | Haverton Hill-on-Tees | Empire Oil | Ocean type tanker | For Ministry of Supply. |
| 11 February | United Kingdom | William Doxford & Sons Ltd. | Pallion | Empire Spray | Cargo ship | For Ministry of Supply. |
| 12 February | United Kingdom | Harland & Wolff | Belfast | Aster | Flower-class corvette | For Royal Navy. |
| 12 February | United Kingdom | Vickers-Armstrongs | Newcastle upon Tyne | Penn | P-class destroyer | For Royal Navy |
| 12 February | United Kingdom | Harland & Wolff | Govan | Starwort | Flower-class corvette | For Royal Navy. |
| 13 February | United Kingdom | Harland and Wolff | Govan | Empire Shoal | Coaster | For Ministry of Supply. |
| 13 February | United Kingdom | William Hamilton and Company | Port Glasgow | Michael E | CAM Ship | For Bury Hill Shipping Co Ltd. |
| 15 February | United Kingdom | Burntisland Shipbuilding Company | Burntisland | Ambrose Fleming | Collier | For London Power Co. Ltd. |
| 15 February | United Kingdom | Harland & Wolff | Belfast | Bergamot | Flower-class corvette | For Royal Navy. |
| 15 February | United Kingdom | Yarrow Shipbuilders | Govan | Laforey | L-class destroyer | For Royal Navy |
| 15 February | United Kingdom | Blythswood Shipbuilding Co. Ltd. | Glasgow | Manchester Trader | Cargo ship | For Manchester Liners Ltd. |
| 17 February | United Kingdom | Cammel Laird & Co. Ltd. | Birkenhead | Dewdale | Dale-class oiler | For Royal Fleet Auxiliary. Completed as a Gantry Landing Ship. |
| 18 February | United Kingdom | Henry Scarr Ltd. | Hessle | Empire Isle | Empire Isle-class coaster | For Ministry of Supply. |
| 24 February | United Kingdom | Blyth Dry Docks & Shipbuilding Co. Ltd | Blyth, Northumberland | Cromarty | Bangor-class minesweeper | For Royal Navy. |
| 25 February | United Kingdom | S. P. Austin & Sons Ltd. | Sunderland | Murdoch | C-type coaster | For Gas, Light & Coke Co. Ltd. |
| 26 February | United Kingdom | W. J. Yarwood & Sons | Northwich | Empire Bridge | Coaster | For Ministry of Supply |
| 1 March | United States | Sun Shipbuilding & Drydock Co. | Chester, Pennsylvania | Rio de la Plata | Type C3-class cargo ship | For United States Maritime Commission |
| 2 March | United Kingdom | C. Connell & Co. Ltd. | Glasgow | Empire Zephyr | Cargo ship | For Ministry of Supply. |
| 4 March | United Kingdom | Barclay Curle | Scotstoun | Empire Faith | CAM ship | For Ministry of Supply |
| 10 March | United Kingdom | Scotts Shipbuilding and Engineering Company | Greenock | Chiddingfold | Hunt-class destroyer | For Royal Navy |
| 11 March | United Kingdom | Fairfield Shipbuilding and Engineering Company | Govan | Offa | O-class destroyer | For Royal Navy |
| 11 March | United Kingdom | Harland & Wolff | Belfast | TLC 25 | Tank Landing Craft | For Royal Navy. |
| 11 March | United Kingdom | Harland & Wolff | Belfast | TLC 26 | Tank Landing Craft | For Royal Navy. |
| 12 March | United Kingdom | William Doxford & Sons Ltd. | Pallion | Daghestan | CAM ship | For Hindustan Steam Shipping Co. Ltd. |
| 12 March | United Kingdom | Swan Hunter | Wallsend | Exmoor | Hunt-class destroyer | For Royal Navy |
| 12 March | United Kingdom | Alexander Stephen & Sons Ltd. | Linthouse | Gloucester | Cargo ship | For Federal Steam Navigation Co. Ltd. |
| 12 March | United Kingdom | Caledon Shipbuilding & Engineering Co. Ltd. | Dundee | Gold Ranger | Ranger-class tanker | For Royal Fleet Auxiliary. |
| 12 March | United Kingdom | Harland & Wolff | Belfast | Vervain | Flower-class corvette | For Royal Navy. |
| 13 March | United Kingdom | R. & W. Hawthorn, Leslie and Co. Ltd. | Newcastle on Tyne | Donovania | Tanker | For Anglo-Saxon Petroleum Co. Ltd. |
| 13 March | United Kingdom | James Pollock & Sons | Faversham | Empire Crag | Coaster | For Ministry of Supply. |
| | United Kingdom | Swan, Hunter & Wigham Richardson Ltd. | Wallsend | Empire Foam | Cargo ship | For Ministry of War Transport. |
| 15 March | United Kingdom | James Pollock & Sons | Faversham | Empire Foam | CAM ship | For Ministry of Supply |
| 15 March | United Kingdom | Grangemouth Dockyard Co. Ltd. | Grangemouth | Empire Lagoon | Icemaid type collier | For Ministry of War Transport. |
| 15 March | United Kingdom | Goole Shipbuilding & Reparining Co. Ltd. | Goole | Empire Oak | Larch-class tug | For the Admiralty. |
| 15 March | United Kingdom | William Gray & Co. Ltd. | West Hartlepool | Empire Ocean | Cargo ship | For Ministry of Supply. |
| 17 March | United Kingdom | Cammell Laird & Co Ltd | Birkenhead | Badsworth | Hunt-class destroyer | For Royal Navy |
| 17 March | United Kingdom | Lithgows Ltd. | Port Glasgow | Empire Ness | Ore carrier | For Ministry of Supply. |
| 20 March | United Kingdom | Harland & Wolff | Belfast | Romeo | Shakespearian-class trawler | For Royal Navy. |
| 25 March | United Kingdom | Greenock Dockyard Co. Ltd. | Greenock | Empire Ray | Cargo ship | For Ministry of Supply |
| 27 March | United Kingdom | Harland & Wolff | Govan | Dingledale | Dale-class oiler | For Royal Fleet Auxiliary. |
| 27 March | United Kingdom | Scotts Shipbuilding and Engineering Company | Greenock | Empire Cape | Coaster | For Ministry of Supply |
| 27 March | United Kingdom | William Doxford & Sons Ltd. | Pallion | Empire Day | CAM ship | For Ministry of Supply. |
| 27 March | United Kingdom | Harland & Wolff Ltd. | Belfast | Empire Hope | Refrigerated cargo liner | For Ministry of Supply. |
| 27 March | United Kingdom | Vickers-Armstrongs | Walker-on-Tyne | Petard | P-class destroyer | For Royal Navy |
| 28 March | United Kingdom | J. L. Thompson & Sons Ltd. | Sunderland | Empire Wave | Cargo ship | For Ministry of Supply. |
| 29 March | United Kingdom | Swan, Hunter & Wigham Richardson Ltd. | Wallsend | Empire Flint | Ocean type tanker | For Ministry of Supply. |
| 31 March | Hong Kong | Hong Kong & Whampoa Dock Co. Ltd. | Hong Kong | Empire Moonbeam | Cargo ship | For Ministry of Supply. |
| 31 March | United Kingdom | John Brown & Company | Clydebank | Onslow | O-class destroyer | For Royal Navy |
| March | United Kingdom | Richards Ironworks Ltd. | Lowestoft | Empire Firth | Coaster | For Ministry of Supply. |
| March | United States | Alabama Drydock and Shipbuilding Company | Mobile, Alabama | Pan-Pennsylvania | T3 tanker | For National Bulk Carriers. |
| March | United States | Alabama Drydock and Shipbuilding Company | Mobile, Alabama | 2 unnamed vessels | Tank barges | For private owners. |
| 1 April | United Kingdom | Alexander Stephen & Sons | Govan | Dulverton | Hunt-class destroyer | For Royal Navy |
| 4 April | Hong Kong | Hong Kong & Whampoa Dock Co. Ltd. | Hong Kong | Empire Starlight | Cargo ship | For United Kingdom. |
| 9 April | United Kingdom | Blyth Dry Docks & Shipbuilding Co. Ltd | Blyth, Northumberland | Barbour | Bar-class boom defence vessel | For Royal Navy. |
| 10 April | United Kingdom | Harland & Wolff | Belfast | Buttercup | Flower-class corvette | For Royal Navy. |
| 10 April | United Kingdom | Ferguson Brothers Ltd. | Port Glasgow | Cardak | Ferry | For Turkish Government. |
| 10 April | United Kingdom | William Gray and Company | West Hartlepool | Empire Brook | Coaster | For Ministry of Supply |
| 10 April | United Kingdom | Furness Shipbuilding Co. Ltd. | Haverton Hill-on-Tees | Empire Mica | Ocean type tanker | For Ministry of Supply. |
| 10 April | United Kingdom | Short Brothers Ltd. | Sunderland | Empire Sun | Cargo ship | For Ministry of Supply. |
| 10 April | United Kingdom | Hawthorn Leslie & Co. | Hebburn-on-Tyne | Pathfinder | P-class destroyer | For Royal Navy |
| 11 April | United Kingdom | Harland & Wolff | Belfast | Chrysanthemum | Flower-class corvette | For Royal Navy. |
| 12 April | United Kingdom | Harland & Wolff | Govan | Derwentdale | Dale-class oiler | For Royal Fleet Auxiliary. Completed as a Landing Ship, Gantry. |
| 12 April | United Kingdom | Henry Scarr Ltd. | Hessle | Empire Bank | Empire Isle-class coaster | For Ministry of Supply. |
| 12 April | United States | Sun Shipbuilding & Drydock Co. | Chester, Pennsylvania | Rio de Janeiro | Type C3-class cargo ship | For United States Maritime Commission |
| 12 April | United Kingdom | Henry Scarr Ltd | Hessle | Empire Bank | Coaster | For Ministry of Supply |
| 13 April | United Kingdom | Lithgows Ltd. | Port Glasgow | Mooncrest | Cargo ship | For Crest Shipping Co. Ltd. |
| 16 April | United Kingdom | Vickers-Armstrongs | Wallsend | Hurworth | Hunt-class destroyer | For Royal Navy |
| 17 April | United Kingdom | William Doxford & Sons | Sunderland | Noble | N-class destroyer | Transferred to Royal Netherlands Navy before completion, completed as Van Galen. |
| 22 April | United Kingdom | Philip & Son Ltd | Dartmouth, Devon | Miner VI | Minelayer | For Royal Navy. |
| 24 April | United Kingdom | Burntisland Shipbuilding Company | Burntisland | Adams Beck | Collier | For Gas, Light & Coke Co. Ltd. |
| 25 April | United Kingdom | S. P. Austin & Sons Ltd. | Sunderland | Capitol | C-type coaster | For Gas, Light & Coke Co. Ltd. |
| 26 April | United Kingdom | William Pickersgill & Sons Ltd | Sunderland | Empire Eve | CAM ship | For Ministry of Supply |
| 27 April | United Kingdom | Bartram & Sons Ltd | Sunderland | Empire Heath | Cargo ship | For Ministry of Supply. |
| 28 April | United Kingdom | Swan Hunter | Wallsend | Calpe | Hunt-class destroyer | For Royal Navy |
| 28 April | United Kingdom | John Readhead and Sons | South Shields | Empire Franklin | Cargo ship | For Ministry of Supply |
| 28 April | Hong Kong | Taikoo Dockyard & Engineering Company of Hong Kong Ltd. | Hong Kong | Empire Haven | Cargo ship | For Ministry of Supply. |
| 28 April | United Kingdom | William Doxford & Sons Ltd. | Pallion | Empire Lugard | Cargo ship | For Ministry of Supply. |
| 28 April | United Kingdom | Lithgows Ltd. | Port Glasgow | Empire Moat | Ore carrier | For Ministry of Supply. |
| 28 April | United Kingdom | Sir J. Laing & Sons Ltd. | Sunderland | Empire Opal | Norwegian type tanker | For Ministry of Supply. |
| 29 April | United Kingdom | Vickers-Armstrongs Ltd. | Barrow-in-Furness | Empire Gale | Cargo ship | For Ministry of Supply. |
| 30 April | United Kingdom | William Doxford & Sons Ltd. | Pallion | Kafiristan | Cargo ship | For Hindustan Steam Shipping Co. Ltd. |
| April | United Kingdom | William Denny and Brothers Ltd. | Dumbarton | Saturn | Sternwheeler | For India General Navigation & Railway Co. Ltd. |
| 3 May | United Kingdom | Harland & Wolff | Belfast | Rosalind | Shakespearian-class trawler | For Royal Navy. |
| 9 May | United Kingdom | J. L. Thompson & Sons Ltd. | Sunderland | Empire Hudson | Cargo ship | For Ministry of War Transport. |
| 10 May | United Kingdom | William Gray & Co. Ltd. | West Hartlepool | Empire Hurst | Collier | For Ministry of War Transport. |
| 11 May | Japan | Kawaminami | Nagasaki | Kizugawa Maru | WWII Standard D-class tanker | For Imperial Japanese Navy |
| 12 May | United Kingdom | Vickers-Armstrongs | Wallsend | Middleton | Hunt-class destroyer | For Royal Navy |
| 12 May | United Kingdom | Burntisland Shipbuilding Company | Burntisland | Merton | Cargo ship | For R Chapman & Son. |
| 12 May | United Kingdom | Cammell Laird | Birkenhead | Empire Flame | CAM ship | For Ministry of War Transport |
| 13 May | United Kingdom | William Gray & Company | West Hartlepool | Empire Darwin | CAM ship | For Ministry of War Transport |
| 14 May | United Kingdom | Barclay, Curle & Co. Ltd. | Glasgow | Empire Pride | Cargo liner | For Ministry of War Transport. Completed as a troopship. |
| 20 May | United Kingdom | Richard Dunston Ltd. | Thorne | Empire Maple | Maple-type tug | For Ministry of War Transport. |
| 24 May | United Kingdom | C. Connell & Co. Ltd. | Glasgow | Empire Glen | Cargo ship | For Ministry of War Transport. |
| 26 May | United Kingdom | William Denny and Bros. Ltd. | Dumbarton | Clan Buchanan | Cargo ship | Requisitioned by the Admiralty. |
| 26 May | United Kingdom | Lithgows Ltd | Port Glasgow | Empire Dell | CAM ship | For Ministry of War Transport |
| 27 May | United Kingdom | Blythwood Shipbuilding Co. Ltd. | Glasgow | Empire Jet | Ocean type tanker | For Ministry of War Transport. |
| 27 May | United Kingdom | Furness Shipbuilding Co. Ltd. | Haverton Hill-on-Tees | Empire Sapphire | Ocean type tanker | For Ministry of War Transport. |
| 27 May | United Kingdom | Lithgows Ltd. | Port Glasgow | Empire Tide | Cargo ship | For Ministry of War Transport. |
| 27 May | United Kingdom | Caledon Shipbuilding & Engineering Co. Ltd. | Dundee | Grey Ranger | Ranger-class tanker | For Royal Fleet Auxiliary. |
| 28 May | United Kingdom | Harland & Wolff | Belfast | Cowslip | Flower-class corvette | For Royal Navy. |
| 28 May | United Kingdom | J. S. Watson Ltd. | Gainsborough | Empire Ford | Coaster | For Ministry of War Transport. |
| 28 May | United Kingdom | Fairfield Shipbuilding and Engineering Company | Govan | Panther | P-class destroyer | For Royal Navy |
| 29 May | United Kingdom | Swan Hunter | Wallsend | Grove | Hunt-class destroyer | For Royal Navy |
| 29 May | United Kingdom | J. Samuel White | East Cowes | Southwold | Hunt-class destroyer | For Royal Navy |
| 29 May | United Kingdom | Short Bros. Ltd | Pallion | Empire Burton | CAM ship | For Ministry of War Transport |
| 29 May | United Kingdom | Harland & Wolff | Govan | Empire Gem | Ocean type tanker | For Ministry of War Transport. |
| 29 May | United Kingdom | Richard Dunston Ltd. | Thorne | Empire Willow | Maple-type tug | For Ministry of War Transport. |
| 5 June | United Kingdom | Blyth Dry Docks & Shipbuilding Co. Ltd | Blyth, Northumberland | Dunbar | Bangor-class minesweeper | For Royal Navy. |
| 5 June | United Kingdom | Isaac Pimblott & Sons Ltd. | Northwich | Empire Grove | Coaster | For Ministry of War Transport. |
| 7 June | United Kingdom | S. P. Austin & Sons Ltd. | Sunderland | Betty Hindley | C-type coaster | For Stephenson, Clarke Ltd. |
| 7 June | United States | New York Shipbuilding | Camden, New Jersey | South Dakota | South Dakota-class battleship | For United States Navy |
| 7 June | United Kingdom | Yarrow Shipbuilders | Govan | Wheatland | Hunt-class destroyer | For Royal Navy |
| 9 June | United Kingdom | Cammell Laird & Co Ltd | Birkenhead | Beaufort | Hunt-class destroyer | For Royal Navy |
| 9 June | United Kingdom | Swan, Hunter & Wigham Richardson Ltd. | Newcastle upon Tyne | British Harmony | Tanker | For British Tanker Co. Ltd. |
| 9 June | United Kingdom | Grangemouth Dockyard Co. Ltd. | Grangemouth | Empire Ghyll | Icemaid type collier | For Ministry of War Transport. |
| 9 June | United Kingdom | Harland & Wolff | Belfast | TLC 100 | Tank Landing Craft | For Royal Navy. |
| 9 June | United Kingdom | Harland & Wolff | Belfast | TLC 101 | Tank Landing Craft | For Royal Navy. |
| 10 June | United Kingdom | J. L. Thompson & Sons Ltd. | Sunderland | Empire Lawrence | Cargo ship | For Ministry of War Transport. |
| 10 June | United Kingdom | Scott & Sons Ltd. | Bowling | Empire Pine | Warrior type tug | For Ministry of War Transport. |
| 10 June | United Kingdom | Vickers-Armstrongs | Wallsend | Porcupine | P-class destroyer | For Royal Navy |
| 11 June | United Kingdom | Harland & Wolff | Belfast | Eglantine | Flower-class corvette | For Royal Navy. |
| 11 June | United Kingdom | Sir J Laing & Sons Ltd | Sunderland | Empire Bruce | Cargo ship | For Ministry of War Transport |
| 11 June | United Kingdom | William Gray & Co. Ltd. | West Hartlepool | Empire Sedge | Collier | For Ministry of War Transport. |
| 11 June | United Kingdom | Lytham Shipbuilding & Engineering Co. Ltd. | Lytham | Larchfield | Cargo ship | For Zillah Shipping & Carrying Co. Ltd. |
| 11 June | United Kingdom | John Brown & Company | Clydebank | Paladin | P-class destroyer | For Royal Navy |
| 12 June | India | Scindia Steam Navigation Co. | Bombay | Ahmedabad | Basset-class trawler | For Royal Indian Navy |
| 12 June | United Kingdom | Barclay, Curle & Co. Ltd. | Glasgow | Empire Glade | Cargo ship | For Ministry of War Transport. |
| 12 June | United Kingdom | William Doxford & Sons Ltd. | Pallion | Empire Raleigh | Cargo ship | For Ministry of War Transport. |
| 14 June | United Kingdom | Hong Kong & Whampoa Dock Co. Ltd. | Hong Kong | Empire Moonrise | Cargo ship | For Ministry of War Transport. |
| 14 June | Germany | Norderwerft Köser & Meyer | Hamburg | PT 25 | Minesweeper | For Soviet Navy |
| 17 June | United Kingdom | Harland & Wolff | Belfast | TLC 102 | Tank Landing Craft | For Royal Navy. |
| 17 June | United Kingdom | Harland & Wolff | Belfast | TLC 103 | Tank Landing Craft | For Royal Navy. |
| 23 June | United Kingdom | Lithgows Ltd. | Port Glasgow | Helencrest | Cargo ship | For Crest Shipping Co. Ltd. |
| 25 June | United Kingdom | William Denny and Brothers | Dumbarton | Nonpareil | N-class destroyer | Transferred to Royal Netherlands Navy before completion, completed as Tjerk Hiddes |
| 25 June | United Kingdom | Caledon Shipbuilding & Engineering Co. Ltd. | Dundee | Priam | Cargo ship | For Blue Funnel Line. |
| 25 June | United Kingdom | William Hamilton & Co. Ltd. | Port Glasgow | Primrose Hill | Cargo ship | For Putney Hill Steamship Co. Ltd. |
| 26 June | United Kingdom | G. Brown & Co (Marine) Ltd. | Greenock | Empire Ruby | Coastal tanker | For Ministry of War Transport. |
| 26 June | United Kingdom | A & J Inglis Ltd. | Glasgow | Empire Spinney | coaster | For Ministry of War Transport. |
| 27 June | United Kingdom | Swan, Hunter & Wigham Richardson Ltd. | Newcastle upon Tyne | Port Victor | Cargo ship | For Port Line Ltd. |
| 28 June | United Kingdom | R. & W. Hawthorn, Leslie and Co. Ltd. | Newcastle on Tyne | Diplodon | Tanker | For Anglo-Saxon Petroleum Co. Ltd. |
| 30 June | United Kingdom | William Doxford & Sons Ltd. | Pallion | Empire Grenfell | Cargo ship | For Ministry of War Transport. |
| 1 July | United Kingdom | W. J. Yarwood & Sons Ltd. | Northwich | Denham | Tender | For Mersey Docks & Harbour Board. |
| 1 July | United Kingdom | Vickers-Armstrongs Ltd. | Barrow-in-Furness | Empire Morn | Cargo ship | For Ministry of War Transport. |
| 8 July | United Kingdom | Furness Shipbuilding Co. Ltd. | Haverton Hill-on-Tees | Empire Amethyst | Ocean type tanker | For Ministry of War Transport. |
| 8 July | United Kingdom | J. L. Thompson & Sons Ltd. | Sunderland | Empire Cranmer | Cargo ship | For Ministry of War Transport |
| 8 July | United Kingdom | William Pickersgill & Sons Ltd | Sunderland | Empire Cromwell | Cargo ship | For Ministry of War Transport |
| 8 July | United Kingdom | Burntisland Shipbuilding Company | Burntisland | Norton | Cargo ship | For R. Chapman & Son. |
| 9 July | United Kingdom | Blyth Dry Docks & Shipbuilding Co. Ltd | Blyth, Northumberland | Barclose | Bar-class boom defence vessel | For Royal Navy. |
| 9 July | United Kingdom | William Gray & Company | West Hartlepool | Empire Cabot | Cargo ship | For Ministry of War Transport |
| 9 July | United Kingdom | C. Connell & Co. Ltd. | Glasgow | Empire Mallory | Cargo ship | For Ministry of War Transport. |
| 10 July | United Kingdom | Harland & Wolff | Belfast | Empire Diamond | Ocean type tanker | For Ministry of War Transport. |
| 10 July | United Kingdom | Rowhedge Ironworks Ltd | Rowhedge | Empire Garnet | Empire Lad-class coastal tanker | For Ministry of War Transport. Completed as Empire Lad. |
| 10 July | United Kingdom | John Readhead & Sons Ltd. | South Shields | Empire Scott | Cargo ship | For Ministry of War Transport. |
| 12 July | United Kingdom | Ardrossan Dockyard Ltd | Ardrossan | Empire Atoll | Refrigerated coaster | For Ministry of War Transport |
| 15 July | United Kingdom | Greenock Dockyard Co. Ltd. | Greenock | Empire Stanley | Cargo ship | For Ministry of War Transport |
| 22 July | United Kingdom | Blyth Dry Docks & Shipbuilding Co. Ltd | Blyth, Northumberland | Ardrossan | Bangor-class minesweeper | For Royal Navy. |
| 22 July | United Kingdom | Scotts Shipbuilding and Engineering Company | Greenock | Cowdray | Hunt-class destroyer | For Royal Navy |
| 22 July | United Kingdom | Harland & Wolff | Belfast | Fritillary | Flower-class corvette | For Royal Navy. |
| 22 July | Germany | Friedrich Krupp Germaniawerft | Kiel | U-117 | Type XB submarine | For Kriegsmarine |
| 23 July | United Kingdom | Hawthorn Leslie & Co | Hebburn-on-Tyne | Bedale | Hunt-class destroyer | Transferred to Polish Navy before completion, completed as Ślązak |
| 23 July | United Kingdom | Vickers-Armstrongs | Newcastle upon Tyne | Bleasdale | Hunt-class destroyer | For Royal Navy |
| 23 July | Hong Kong | Taikoo Dockyard & Engineering Company of Hong Kong Ltd | Hong Kong | Empire Almond | Cargo ship | For Ministry of War Transport |
| 23 July | United Kingdom | Lithgows Ltd. | Port Glasgow | Empire Shackleton | Cargo ship | For Ministry of War Transport. |
| 24 July | United Kingdom | Lithgows Ltd. | Port Glasgow | Empire Livingstone | Cargo ship | For Ministry of War Transport. |
| 24 July | United Kingdom | Harland & Wolff | Belfast | Genista | Flower-class corvette | For Royal Navy. |
| 25 July | United Kingdom | Swan Hunter | Wallsend | Hursley | Hunt-class destroyer | Transferred to Royal Hellenic Navy before completion, completed as Kriti |
| 26 July | United Kingdom | William Gray & Co. Ltd. | West Hartlepool | Empire Wolfe | Scandinavian type cargo ship | For Ministry of War Transport. |
| 26 July | United States | Fore River Shipyard | Quincy, Massachusetts | San Diego | Atlanta-class cruiser | For United States Navy |
| 28 July | United Kingdom | Cammell Laird & Co Ltd | Birkenhead | Empire Clive | Cargo ship | For Ministry of War Transport |
| 28 July | United Kingdom | Bartram & Sons Ltd | Sunderland | Empire Gilbert | Cargo ship | For Ministry of War Transport. |
| 28 July | United Kingdom | Short Brothers Ltd. | Sunderland | Empire Wyclif | Cargo ship | For Ministry of War Transport. |
| 29 July | United Kingdom | Sir J. Laing & Sons Ltd. | Sunderland | Empire Pearl | Norwegian type tanker | For Ministry of War Transport. |
| 31 July | United Kingdom | Grangemouth Dockyard Co. Ltd. | Grangemouth | Empire Lass | Coastal tanker | For Ministry of War Transport. |
| July | United States | Alabama Drydock and Shipbuilding Company | Mobile, Alabama | William C. McTarnahan | Tanker | For National Bulk Carriers. |
| 5 August | United Kingdom | Fairfield Shipbuilding and Engineering Company | Govan | Partridge | P-class destroyer | For Royal Navy |
| 5 August | United Kingdom | John I. Thornycroft and Company | Woolston | Lauderdale | Hunt-class destroyer | For Royal Navy |
| 5 August | United Kingdom | Burntisland Shipbuilding Company | Burntisland | Sir Leonard Pearce | Collier | For London Power Co. Ltd. |
| 8 August | United Kingdom | Richards Ironworks Ltd. | Lowestoft | Empire Sound | Coaster | For Ministry of War Transport. |
| 8 August | United Kingdom | Barclay, Curle & Co. Ltd. | Glasgow | Urlana | Cargo ship | For British India Steam Navigation Company. |
| 9 August | United Kingdom | Henry Scarr Ltd. | Hessle | Empire Birch | Near-Warrior type tug | For Ministry of War Transport. |
| 11 August | United Kingdom | William Denny and Brothers Ltd. | Dumbarton | Kanbe | Cargo ship | For British & Burmese Steam Navigation Co. Ltd. |
| 12 August | United Kingdom | John Brown and Company | Greenock | Airedale | Hunt-class destroyer | For Royal Navy |
| 12 August | United Kingdom | Alexander Stephen & Sons Ltd. | Linthouse | Nottingham | Cargo ship | For Federal Steam Navigation Co. Ltd. |
| 12 August | United Kingdom | J. Samuel White | East Cowes | Tetcott | Hunt-class destroyer | For Royal Navy |
| 13 August | United Kingdom | John Crown & Sons Ltd. | Sunderland | Empire Ash | Near-Warrior type tug | For Ministry of War Transport. |
| 15 August | United Kingdom | William Doxford & Sons Ltd. | Pallion | Empire Latimer | Cargo ship | For Ministry of War Transport. |
| 16 August | United States | Permamente Metals Corporation | Richmond, California | Ocean Vanguard | Ocean ship | For War Shipping Administration. |
| 21 August | United Kingdom | Harland & Wolff | Govan | Empire Onyx | Ocean type tanker | For Ministry of War Transport. |
| 21 August | United Kingdom | Lithgows Ltd. | Port Glasgow | Empire Ridley | Cargo ship | For Ministry of War Transport. |
| 21 August | United Kingdom | Caledon Shipbuilding & Engineering Co. Ltd. | Dundee | Green Ranger | Ranger-class tanker | For Royal Fleet Auxiliary. |
| 21 August | United Kingdom | S. P. Austin & Sons Ltd. | Sunderland | Sound Fisher | C-type coaster | For . |
| 22 August | United Kingdom | Vickers-Armstrongs | Barrow-in-Furness | Derwent | Hunt-class destroyer | For Royal Navy |
| 23 August | United Kingdom | Burntisland Shipbuilding Company | Burntisland | Earlston | Cargo ship | For R. Chapman & Son. |
| 23 August | United Kingdom | J. L. Thompson & Sons Ltd. | Sunderland | Empire Liberty | Cargo ship | For Ministry of War Transport. |
| 23 August | United Kingdom | William Gray & Co. Ltd. | West Hartlepool | Empire Parsons | Cargo ship | For Ministry of War Transport. |
| 25 August | United Kingdom | Swan, Hunter & Wigham Richardson Ltd. | Newcastle upon Tyne | British Character | Tanker | For British Tanker Co. Ltd. |
| 25 August | United Kingdom | Harland & Wolff Ltd. | Belfast | Empire Grace | Refrigerated cargo liner | For Ministry of War Transport. |
| 25 August | United Kingdom | William Pickersgill & Co. Ltd. | Southwick | Empire Marriott | Cargo ship | For Ministry of War Transport. |
| 25 August | United Kingdom | John Readhead & Sons Ltd. | South Shields | Empire Stevenson | Cargo ship | For . |
| 26 August | United Kingdom | Furness Shipbuilding Co. Ltd. | Haverton Hill-on-Tees | Empire Emerald | Ocean type tanker | For Ministry of War Transport. |
| 26 August | United Kingdom | Swan, Hunter & Wigham Richardson Ltd. | Wallsend | Empire Masefield | Cargo ship | For Ministry of War Transport. |
| 27 August | United Kingdom | Cammell Laird & Co Ltd | Birkenhead | Aldenham | Hunt-class destroyer | For Royal Navy |
| 27 August | United Kingdom | William Doxford & Sons Ltd. | Pallion | Empire Selwyn | Cargo ship | For Ministry of War Transport. |
| 28 August | United Kingdom | Lithgows Ltd | Port Glasgow | Empire Baffin | Cargo ship | For Ministry of War Transport |
| 28 August | United Kingdom | Goole Shipbuilding & Repairing Co. Ltd. | Goole | Empire Boy | Coastal tanker | For Ministry of War Transport. |
| 28 August | United Kingdom | Harland & Wolff | Govan | Oxlip | Flower-class corvette | For Royal Navy. |
| 31 August | United States | Permamente Metals Corporation | Richmond, California | Ocean Venture | Ocean ship | For War Shipping Administration. |
| August | United Kingdom | Ferguson Brothers Ltd. | Port Glasgow | Silivri | Ferry | For Turkish Government. |
| 2 September | Canada | Marine Industries Ltd. | Sorel | Fredericton | Flower-class corvette | For Royal Canadian Navy |
| 3 September | United Kingdom | Blyth Dry Docks & Shipbuilding Co. Ltd | Blyth, Northumberland | Barcock | Bar-class boom defence vessel | For Royal Navy. |
| 4 September | United Kingdom | Harland & Wolff | Belfast | Empire Sidney | Cargo ship | For Ministry of War Transport. |
| 4 September | United Kingdom | Alexander Stephen and Sons | Linthouse | Matchless | M-class destroyer | For Royal Navy |
| 5 September | United Kingdom | Hawthorn Leslie & Co | Hebburn-on-Tyne | Bicester | Hunt-class destroyer | For Royal Navy |
| 6 September | United States | Federal Shipbuilding and Drydock Company | South Kearny, New Jersey | Atlanta | Atlanta-class cruiser | For United States Navy |
| 6 September | United Kingdom | William Gray & Co. Ltd. | West Hartlepool | Empire Newcomen | Scandinavian type cargo ship | For Ministry of War Transport. |
| 6 September | United States | Fore River Shipyard | Quincy, Massachusetts | San Juan | Atlanta-class cruiser | For United States Navy |
| 8 September | United Kingdom | J. S. Watson Ltd. | Gainsborough | Empire River | Coaster | For Ministry of War Transport. |
| 9 September | United Kingdom | Ferguson Brothers Ltd. | Port Glasgow | Darica | Ferry | For Turkish Government. |
| 9 September | United Kingdom | Harland & Wolff | Govan | Empire Deep | Coaster | For Ministry of War Transport. |
| 10 September | United Kingdom | Sir J. Laing & Sons Ltd. | Sunderland | Empire Druid | Norwegian type tanker | For Ministry of War Transport. |
| 11 September | United Kingdom | Blythwood Shipbuilding Co. Ltd. | Glasgow | Empire Pict | Ocean type tanker | For Ministry of War Transport. |
| 19 September | United Kingdom | Caledon Shipbuilding & Engineering Co. Ltd. | Dundee | Empire Rhodes | Cargo ship | For Ministry of War Transport. |
| 22 September | United Kingdom | Grangemouth Dockyard Co. Ltd. | Grangemouth | Empire Cadet | Coastal tanker | For Ministry of War Transport. |
| 22 September | United Kingdom | Herd & Mackenzie | Buckie | MMS 54 | MMS-class minesweeper | For Royal Navy. |
| 23 September | United Kingdom | William Doxford & Sons | Sunderland | Empire Cowper | Cargo ship | For Ministry of War Transport |
| 23 September | United Kingdom | William Doxford & Sons | Sunderland | Empire Field | Cargo ship | For Ministry of War Transport |
| 23 September | United States | Fore River Shipyard | Quincy | Massachusetts | South Dakota-class battleship | For United States Navy |
| 24 September | United Kingdom | Scott & Sons Ltd | Bowling | Empire Beacon | Coaster | For Ministry of War Transport |
| 24 September | United Kingdom | Goole Shipbuilding & Repairing Co. Ltd. | Goole | Empire Bracken | Near-Warrior type tug | For Ministry of War Transport. |
| 24 September | United Kingdom | Henry Scarr Ltd. | Hessle | Empire Linden | Near-Warrior type tug | For Ministry of War Transport. |
| 26 September | United Kingdom | Richard Dunston Ltd. | Thorne | Empire Cedar | Maple-type tug | For Ministry of War Transport. |
| 26 September | United Kingdom | J. L. Thompson & Sons Ltd. | Sunderland | Empire Halley | Cargo ship | For Ministry of War Transport. |
| 27 September | United States | Pusey and Jones | Wilmington, Delaware | Adabelle Lykes | C1-A Cargo ship, converted to WSA troop transport 1944 | |
| 27 September | United States | Ingalls Shipbuilding | Pascagoula, Mississippi | African Planet | Cargo ship | Transferred to United States Navy before completion, completed as George Clymer. |
| 27 September | United States | Consolidated Steel Corporation | Wilmington, California | Alcoa Polaris | Cargo ship | |
| 27 September | United Kingdom | Greenock Dockyard Co. Ltd. | Greenock | Empire Stanley | Cargo ship | For Ministry of War Transport |
| 27 September | United States | Seattle-Tacoma Shipbuilding Corporation | Tacoma, Washington | Fredrick Funston | Frederick Funston-class attack transport | For United States Navy |
| 27 September | United States | Bethlehem Sparrows Point Shipyard | Sparrows Point, Maryland | James McKay | Cargo ship | |
| 27 September | United States | California Shipbuilding Corporation | Los Angeles, California | John C. Fremont | Liberty ship | For War Shipping Administration. |
| 27 September | United Kingdom | John I. Thornycroft and Company | Woolston | Ledbury | Hunt-class destroyer | For Royal Navy |
| 27 September | United States | Federal Shipbuilding and Drydock Company | South Kearny, New Jersey | Louise Lykes | Type C2-F cargo ship | For Lykes Brothers Steamship Company |
| 27 September | United States | Permamente Metals Corporation | Richmond, California | Ocean Vigil | Ocean ship | For War Shipping Administration. |
| 27 September | United States | Permamente Metals Corporation | Richmond, California | Ocean Voice | Ocean ship | For War Shipping Administration. |
| 27 September | United States | Bethlehem Fairfield Shipyard | Baltimore, Maryland | Patrick Henry | Liberty ship | For War Shipping Administration. |
| 27 September | United States | Oregon Shipbuilding Corporation | Portland, Oregon | Star of Oregon | Cargo ship | For War Shipping Administration. |
| 27 September | United States | Fore River Shipyard | Quincy, Massachusetts | Sinclair Superflame | Cargo ship | |
| 27 September | United States | Western Pipe and Steel Company | San Francisco, California | Steel Artisan | Type C3-class cargo ship | Transferred to United States Navy before completion, completed as Barnes. |
| 27 September | United States | Sun Shipbuilding & Drydock Co. | Chester, Pennsylvania | Surprise | Cargo ship | |
| 27 September | United States | Boston Naval Yard | Boston, Massachusetts | Cowie | Gleaves-class destroyer | For United States Navy |
| 27 September | United States | Boston Naval Yard | Boston, Massachusetts | Knight | Gleaves-class destroyer | For United States Navy |
| 2 October | United Kingdom | Richard Dunston Ltd. | Thorne | VIC 1 | VIC lighter | For the Admiralty. |
| 4 October | United Kingdom | Burntisland Shipbuilding Company | Burntisland | Allerton | Cargo ship | For R. Chapman & Son. |
| 4 October} | United Kingdom | Vickers Armstrongs Ltd. | Barrow-in-Furness | Empire Jack | Coaster | For Ministry of War Transport. |
| 6 October | United Kingdom | Bartram & Sons | Sunderland | Empire Byron | Cargo ship | For Ministry of War Transport |
| 6 October | United Kingdom | William Gray & Co. Ltd. | West Hartlepool | Empire Marlowe | Cargo ship | For Ministry of War Transport. |
| 6 October | United Kingdom | Swan Hunter | Wallsend | Quality | Q-class destroyer | For Royal Navy |
| 7 October | United Kingdom | Furness Shipbuilding Co. Ltd. | Haverton Hill-on-Tees | Empire Celt | Ocean type tanker | For Ministry of War Transport. |
| 7 October | United Kingdom | C. Connell & Co. Ltd. | Glasgow | Empire Rennie | Cargo ship | For Ministry of War Transport. |
| 7 October | United Kingdom | Henry Robb Ltd. | Leith | MSC Neptune | Tug | For Manchester Ship Canal Company. |
| 8 October | United Kingdom | Vickers-Armstrongs Ltd. | Barrow-in-Furness | Empire Baxter | Cargo ship | For Ministry of War Transport |
| 8 October | United Kingdom | Scotts Shipbuilding and Engineering Company | Greenock | Loyal | L-class destroyer | For Royal Navy |
| 8 October | United Kingdom | R. & W. Hawthorn, Leslie and Co. Ltd. | Newcastle on Tyne | San Venancio | Tanker | For Eagle Oil & Shipping Co. Ltd. |
| 9 October | United Kingdom | Scott & Sons Ltd. | Bowling | Empire Fir | Warrior type tug | For Ministry of War Transport. |
| January | United Kingdom | J. & G. Thompson Ltd. | Clydebank | Hororata | Refrigerated cargo ship | For New Zealand Shipping Co. Ltd. |
| 9 October | United Kingdom | Fairfield Shipbuilding and Engineering Company | Govan | Onslaught | O-class destroyer | For Royal Navy |
| 11 October | United Kingdom | John Brown and Company | Greenock | Albrighton | Hunt-class destroyer | For Royal Navy |
| 15 October | Canada | Burrard Dry Dock Co. Ltd. | North Vancouver, British Columbia | Fort St. James | Fort ship | For Ministry of War Transport. |
| 17 October | United Kingdom | Barclay, Curle & Co. Ltd. | Glasgow | Umaria | Cargo ship | For British India Steam Navigation Company. |
| 17 October | United Kingdom | Yarrow Shipbuilders | Gocan | Wilton | Hunt-class destroyer | For Royal Navy |
| 19 October | United States | Oregon Shipbuilding Corporation | Portland, Oregon | Merriwether Lewis | Liberty ship | For War Shipping Administration. |
| 20 October | United Kingdom | William Gray & Co. Ltd. | West Hartlepool | Empire Carey | Scandinavian type Cargo ship | For Ministry of War Transport. |
| 20 October | United Kingdom | J. L. Thompson & Sons Ltd. | Sunderland | Empire Johnson | Cargo ship | For Ministry of War Transport. |
| 21 October | United Kingdom | Blyth Dry Docks & Shipbuilding Co. Ltd | Blyth, Northumberland | Barcross | Bar-class boom defence vessel | For Royal Navy. |
| 21 October | United Kingdom | Blyth Dry Docks & Shipbuilding Co. Ltd | Blyth, Northumberland | Brixham | Bangor-class minesweeper | For Royal Navy. |
| 21 October | United Kingdom | Caledon Shipbuilding & Engineering Co. Ltd. | Dundee | Empire Heywood | Cargo ship | For Ministry of War Transport. |
| 21 October | United Kingdom | Short Brothers Ltd. | Sunderland | Empire Newton | Cargo ship | For Ministry of War Transport. |
| 21 October | United Kingdom | Lithgows Ltd. | Port Glasgow | Nurani | Cargo ship | For Asiatic Steam Navigation Co. Ltd. |
| 21 October | United Kingdom | William Pickersgill & Co. Ltd. | Southwick | Stangarth | Cargo ship | For Stanhope Steamship Co. Ltd. |
| 21 October | United States | Seattle-Tacoma Shipbuilding Corporation | Tacoma, Washington | Steel Architect | Type C3-class cargo ship | Transferred to United States Navy before completion, completed as Copahee |
| 21 October | United Kingdom | Harland and Wolff | Govan | Empire Ballantyne | Cargo ship | For Ministry of War Transport |
| 21 October | United Kingdom | Harland & Wolff | Belfast | Empire Norseman | Dale-class oiler | For Ministry of War Transport. Completed as RFA Dinsdale for Royal Fleet Auxiliary. |
| 21 October | United Kingdom | Clelands (Successors) Ltd. | Willington Quay | Empire Thistle | Near-Warrior type tug | For Ministry of War Transport. |
| 22 October | United Kingdom | William Doxford & Sons | Sunderland | Empire Dryden | Cargo ship | For Ministry of War Transport |
| 22 October | United Kingdom | Lithgows Ltd. | Port Glasgow | Empire Howard | Cargo ship | For Ministry of War Transport. |
| 22 October | United Kingdom | Goole Shipbuilding & Repairing Co. Ltd. | Goole | Empire Ivy | Near-Warrior type tug | For Ministry of War Transport. |
| 23 October | United Kingdom | Blythswood Shipbuilders | Glasgow | Empire Bairn | Coastal tanker | For Ministry of War Transport |
| 23 October | United Kingdom | Swan, Hunter & Wigham Richardson Ltd | Wallsend | Empire Drayton | Cargo ship | For Ministry of War Transport |
| 23 October | United States | Permamente Metals Corporation | Richmond, California | Ocean Viking | Ocean ship | For War Shipping Administration. |
| 23 October | United Kingdom | Richard Dunston Ltd. | Thorne | VIC 2 | VIC lighter | For the Admiralty. |
| 25 October | United States | Federal Shipbuilding and Drydock Company | South Kearny, New Jersey | Juneau | Atlanta-class cruiser | For United States Navy |
| 26 October | United States | California Shipbuilding Corporation | Los Angeles, California | Thomas Paine | Liberty ship | For War Shipping Administration. |
| 26 October | United States | Oregon Shipbuilding Corporation | Portland, Oregon | William Clark | Liberty ship | For War Shipping Administration. |
| 28 October | United Kingdom | Harland & Wolff | Govan | Pennywort | Flower-class corvette | For Royal Navy. |
| 1 November | United States | New York Shipbuilding Corporation | Camden, New Jersey | Cleveland | Cleveland-class cruiser | For United States Navy |
| 3 November | United Kingdom | Alexander Stephen and Sons | Linthouse | Meteor | M-class destroyer | For Royal Navy |
| 4 November | United Kingdom | John Readhead & Sons Ltd. | South Shields | Empire Squire | Cargo ship | For Ministry of War Transport. |
| 4 November | United Kingdom | S. P. Austin & Sons Ltd. | Sunderland | Lambtonian | C-type coaster | For Tanfield Steamship Co. Ltd. |
| 5 November | United Kingdom | Swan Hunter | Wallsend | Bolebroke | Hunt-class destroyer | For Royal Navy |
| 5 November | United Kingdom | J. Samuel White | East Cowes | Quentin | Q-class destroyer | For Royal Navy |
| 5 November | United Kingdom | Goole Shipbuilding & Repairing Co. Ltd. | Goole | VIC 5 | VIC lighter | For the Admiralty. |
| 8 November | United Kingdom | Ferguson Brothers Ltd. | Port Glasgow | Derince | Ferry | For Turkish Government. |
| 9 November | United Kingdom | Richard Dunston Ltd. | Thorne | Empire Plane | Maple-type tug | For Ministry of War Transport. |
| 15 November | United States | Bethlehem Fairfield Shipyard | Baltimore, Maryland | Francis Scott Key | Liberty ship | For War Shipping Administration. |
| 16 November | United States | California Shipbuilding Corporation | Los Angeles, California | Benjamin Franklin | Liberty ship | For War Shipping Administration. |
| 16 November | United States | Permamente Metals Corporation | Richmond, California | Ocean Vestal | Ocean ship | For War Shipping Administration. |
| 16 November | United States | Oregon Shipbuilding Corporation | Portland, Oregon | Robert Gray | Liberty ship | For War Shipping Administration. |
| 18 November | United Kingdom | Cammell Laird & Co Ltd | Birkenhead | Belvoir | Hunt-class destroyer | For Royal Navy |
| 18 November | United Kingdom | Sir J. Laing & Sons Ltd | Sunderland | Empire Airman | tanker | For Ministry of War Transport. |
| 18 November | United Kingdom | Furness Shipbuilding Company | Haverton Hill | Empire Metal | Tanker | For Ministry of War Transport |
| 18 November | United Kingdom | Burntisland Shipbuilding Company | Burntisland | Fulham VI | Collier | For Fulham Borough Council. |
| 19 November | United Kingdom | William Gray & Company | West Hartlepool | Empire Builder | Cargo ship | For Ministry of War Transport |
| 19 November | United Kingdom | William Denny and Bros. Ltd. | Dumbarton | Empire Cameron | Cargo ship | For Ministry of War Transport. |
| 19 November | United Kingdom | William Doxford & Sons | Sunderland | Empire Drum | Cargo ship | For Ministry of War Transport |
| 19 November | United Kingdom | Grangemouth Dockyard Company | Grangemouth | Empire Dunstan | Scandinavian type cargo ship | For Ministry of War Transport. |
| 20 November | United Kingdom | William Gray & Co. Ltd. | West Hartlepool | Empire Pilgrim | Scandinavian type cargo ship | For Ministry of War Transport. |
| 20 November | United Kingdom | Harland & Wolff | Belfast | HMS Unicorn | Aircraft maintenance carrier | For Royal Navy. |
| 21 November | United Kingdom | Henry Scarr Ltd. | Hessle | Empire Race | Near-Warrior type tug | For Ministry of War Transport. |
| 21 November | United States | Newport News Shipbuilding | Newport News, Virginia | Indiana | South Dakota-class battleship | For United States Navy |
| 22 November | United Kingdom | Goole Shipbuilding & Repairing Co. Ltd. | Goole | Empire Harp | Coastal tanker | For Ministry of War Transport |
| 22 November | United States | Federal Shipbuilding and Drydock Company | South Kearny, New Jersey | Aaron Ward | Gleaves-class destroyer | For United States Navy |
| 23 November | United States | Oregon Shipbuilding Corporation | Portland, Oregon | John Barry | Liberty ship | For War Shipping Administration. |
| 29 November | United Kingdom | Hawthorn Leslie & Co. Ltd. | Hebburn-on-Tyne | Quilliam | Q-class destroyer | For Royal Navy |
| 30 November | United States | Permamente Metals Corporation | Richmond, California | Ocean Vesper | Ocean ship | For War Shipping Administration. |
| 2 December | United Kingdom | Alexander Stephen & Sons | Govan | Blackmore | Hunt-class destroyer | For Royal Navy |
| 2 December | United Kingdom | Lithgows Ltd. | Port Glasgow | Empire Prairie | Cargo ship | For Ministry of War Transport. |
| 2 December | United Kingdom | Swan, Hunter & Wigham Richardson Ltd. | Wallsend | Empire Saxon | Ocean type tanker | For Ministry of War Transport. |
| 2 December | United Kingdom | Fairfield Shipbuilding and Engineering Company | Govan | Musketeer | M-class destroyer | For Royal Navy |
| 3 December | United Kingdom | Burntisland Shipbuilding Company | Burntisland | Derryheen | Cargo ship | For McCowan & Cross Ltd. |
| 3 December | United Kingdom | Lithgows Ltd. | Port Glasgow | Empire Ranger | Cargo ship | For Ministry of War Transport. |
| 3 December | United States | California Shipbuilding Corporation | Los Angeles, California | John Paul Jones | Liberty ship | For War Shipping Administration. |
| 4 December | United Kingdom | Henry Robb Ltd. | Leith | Bustler | Bustler-class tug | For the Admiralty. |
| 4 December | United Kingdom | John I. Thornycroft & Company | Woolston | Norseman | N-class destroyer | Transferred to Royal Australian Navy before completion. Completed as Nepal |
| 6 December | Hong Kong | Hong Kong and Whampoa Dock | Hong Kong | Empire Dragon | Cargo ship | For Ministry of War Transport |
| 6 December | United States | Bethlehem Fairfield Shipyard | Baltimore, Maryland | Richard Henry Lee | Liberty ship | For War Shipping Administration. |
| 6 December | United States | Bethlehem Fairfield Shipyard | Baltimore, Maryland | Roger B. Taney | Liberty ship | For War Shipping Administration. |
| 6 December | United States | North Carolina Shipbuilding Company | Wilmington, North Carolina | Zebulon B. Vance | Liberty ship | For War Shipping Administration. |
| 7 December | United States | Oregon Shipbuilding Corporation | Portland, Oregon | Thomas Jefferson | Liberty ship | For War Shipping Administration. |
| 9 December | United States | Permamente Metals Corporation | Richmond, California | Ocean Valley | Ocean ship | For War Shipping Administration. |
| 10 December | United States | Boston Naval Yard | Boston, Massachusetts | Doran | Gleaves-class destroyer | For United States Navy |
| 11 December | Germany | Blohm & Voss | Hamburg | U-607 | Type VIIC submarine | For Kriegsmarine |
| 14 December | United States | Oregon Shipbuilding Corporation | Portland, Oregon | John Hancock | Liberty ship | For War Shipping Administration. |
| 15 December | United Kingdom | Burntisland Shipbuilding Company | Burntisland | Fulham VII | Collier | For Fulham Borough Council. |
| 16 December | United Kingdom | J. L. Thompson & Sons Ltd. | Sunderland | Empire Nomad | Cargo ship | For Ministry of War Transport. |
| 17 December | United States | New York Shipbuilding Corporation | Camden, New Jersey | Columbia | Cleveland-class cruiser | For United States Navy |
| 17 December | United Kingdom | Bartram & Sons | Sunderland | Empire Ballad | Cargo ship | For Ministry of War Transport |
| 17 December | United Kingdom | Henry Robb Ltd. | Leith | MSC Nymph | Tug | For Manchester Ship Canal Company. |
| 17 December | United Kingdom | William Doxford & Sons Ltd. | Pallion | Tarantia | Cargo ship | For Anchor Line Ltd. |
| 18 December | United Kingdom | Furness Shipbuilding Co. Ltd. | Haverton Hill-on-Tees | Easdale | Dale-class oiler | For Royal Fleet Auxiliary. |
| 18 December | United Kingdom | Harland & Wolff | Belfast | Empire Splendour | Cargo ship | For Ministry of War Transport. |
| 18 December | United Kingdom | Vickers-Armstrongs | Newcastle upon Tyne | Hatherleigh | Hunt-class destroyer | Transferred to Royal Hellenic Navy before completion, completed as Kanaris |
| 18 December | United States | Permamente Metals Corporation | Richmond, California | Ocean Vision | Ocean ship | For War Shipping Administration. |
| 18 December | United Kingdom | Hall, Russell & Company | Aberdeen | Sir Galahad | Minesweeper | For Royal Navy |
| 18 December | United Kingdom | William Pickersgill & Co. Ltd. | Southwick | Stanbank | Cargo ship | For Stanhope Steamship Co. Ltd. |
| 19 December | United Kingdom | Short Brothers Ltd. | Sunderland | Empire Story | Cargo ship | For Ministry of War Transport. |
| 19 December | United Kingdom | Barclay, Curle & Co. Ltd. | Glasgow | Kong Haakon VII | Cargo ship | For Norwegian Government. |
| 20 December | United Kingdom | A. & J. Inglis Ltd. | Glasgow | Empire Maiden | Coastal tanker | For Ministry of War Transport. |
| 20 December | United States | New England Shipbuilding Corporation | South Portland, Maine | Ocean Freedom | Ocean ship | For War Shipping Administration. |
| 20 December | United States | New England Shipbuilding Corporation | South Portland, Maine | Ocean Liberty | Ocean ship | For War Shipping Administration. |
| 20 December | United Kingdom | Ferguson Brothers Ltd. | Port Glasgow | St. George | Tug | For Government of Trinidad. |
| 21 December | United Kingdom | Barclay, Curle & Co. Ltd. | Glasgow | Empire Courage | Cargo ship | For Ministry of War Transport. |
| 21 December | United Kingdom | Henry Scarr Ltd. | Hessle | Empire Teak | Near-Warrior type tug | For Ministry of War Transport. |
| 21 December | United States | California Shipbuilding Corporation | Los Angeles, California | Paul Revere | Liberty ship | For War Shipping Administration. |
| 21 December | United States | Oregon Shipbuilding Corporation | Portland, Oregon | Philip Livingston | Liberty ship | For War Shipping Administration. |
| 22 December | United Kingdom | Harland & Wolff | Belfast | Algerine | Algerine-class minesweeper | For Royal Navy. |
| 26 December | United Kingdom | Richard Dunston Ltd. | Thorne | VIC 3 | VIC lighter | For the Admiralty. |
| 27 December | United Kingdom | Greenock Dockyard Co. Ltd. | Greenock | Empire Homer | Cargo ship | For Ministry of War Transport |
| 28 December | United States | Oregon Shipbuilding Corporation | Portland, Oregon | Alexander Hamilton | Liberty ship | For War Shipping Administration. |
| 29 December | United Kingdom | Lithgows Ltd. | Port Glasgow | Empire Zeal | Cargo ship | For Ministry of War Transport. |
| 30 December | United Kingdom | Lithgows | Glasgow | Empire Addison | Cargo ship | For Ministry of War Transport. |
| 30 December | United Kingdom | Caledon Shipbuilding & Engineering Company | Dundee | Empire Bard | Heavy lift ship | For Ministry of War Transport |
| 30 December | United States | Bethlehem Fairfield Shipyard | Baltimore, Maryland | John Randolph | Liberty ship | For War Shipping Administration. |
| 30 December | United Kingdom | Scotts Shipbuilding & Engineering Company | Greenock | Milne | M-class destroyer | For Royal Navy |
| 30 December | United Kingdom | John I. Thornycroft & Company | Woolston | Magpie | Black Swan-class sloop | For Royal Navy |
| 31 December | United Kingdom | Burntisland Shipbuilding Company | Burntisland | Corfoss | Collier | For Wm. Cory & Son. |
| 31 December | United States | Permamente Metals Corporation | Richmond, California | James Otis | Liberty ship | For War Shipping Administration. |
| December | United Kingdom | W. & C. French Ltd. | Newport | Lady Walmer | Concrete ship | For Ministry of War Transport. |
| Unknown date | Germany | Nordseewerke. | Emden | Atlas | Cargo ship | Completed as Empire Glencoe for Ministry of Transport. |
| Unknown date | United Kingdom | W. J. Yarwood & Sons Ltd. | Northwich | Bishops Retriever | Lighter | For Liverpool Lighterage Co. Ltd. and/or Bishops Wharf Carrying Co. Ltd. |
| Unknown date | United Kingdom | J. Hay & Sons Ltd. | Kirkintillock | Boer | Clyde puffer | For private owner. |
| Unknown date | Germany | | Königsberg | Bussard | Bussard-class seaplane tender | For Luftwaffe |
| Unknown date | United States | Alabama Drydock and Shipbuilding Company | Mobile, Alabama | D. & E. No. 12 | Crane barge | For Doullot & Ewin. |
| Unknown date | United Kingdom | Isaac Pimblott & Sons Ltd. | Northwich | Empire Kyle | Coaster | For Ministry of War Transport. |
| Unknown date | United Kingdom | M. W. Blackmore & Sons Ltd. | Bideford | HDML 1083 | Harbour Defence Motor Launch | For Royal Navy. |
| Unknown date | Germany | Norderwerft Koser und Meyer | Hamburg | Immelmann | Karl Meyer-class seaplane tender | For Luftwaffe |
| Unknown date | Japan | | | JAP No. 4000 | Tanker | For private owner. |
| Unknown date | United Kingdom | Cochrane & Sons Ltd | Selby | Le Royal | Trawler | For Milford Steam Trawling Co. Ltd. |
| Unknown date | United Kingdom | British Power Boat Company | Hythe | MASB 27 | Torpedo boat | For Royal Navy. |
| Unknown date | United Kingdom | J. Bolson & Son Ltd. | Poole | MMS 46 | MMS-class minesweeper | For Royal Navy. |
| Unknown date | United Kingdom | John I. Thornycroft & Company | Woolston | MTB 345 | Motor torpedo boat | Experimental vessel for Royal Navy |
| Unknown date | Germany | | | Swine | Coaster tanker | For Kriegsmarine |
| Unknown date | United Kingdom | Cochrane & Sons Ltd. | Selby | Nimble | Nimble-class tug | For the Admiralty. |
| Unknown date | United Kingdom | Burntisland Shipbuilding Co. Ltd. | Burntisland | Tudor Queen | Tudor Queen type coaster | For Queenship Navigation Ltd. |
| Unknown date | United States | Alabama Drydock and Shipbuilding Company | Mobile, Alabama | U. S. Gypsum No. 5 | Deck barge | For United States Gypsum. |