List of shipwrecks in 1945

The list of shipwrecks in 1945 includes ships sunk, foundered, grounded, or otherwise lost during 1945.

January

2 January

• HMS Porpoise (Royal Navy): World War II: The Grampus-class submarine was bombed and sunk in the Strait of Malacca off Penang, Malaya by Japanese aircraft with the loss of all 73 crew.

3 January

• Henry Miller (United States): World War II: The Liberty ship was torpedoed and damaged in the Mediterranean Sea (35°51′N 6°24′W) by U-870 (Kriegsmarine). She sailed to Gibraltar but was declared a constructive total loss.
• Shibozono Maru (Japan): World War II: The cargo liner was torpedoed and sunk in the Pacific Ocean by USS Kingfish (United States Navy).
• Yaei Maru (Japan): World War II: The cargo ship was torpedoed and sunk in the Pacific Ocean by USS Kingfish (United States Navy).

4 January

• Hinoki (Imperial Japanese Navy): World War II: The destroyer was shelled and sunk in the Philippine Sea by USS Charles Ausburne (DD) and three other destroyers (all United States Navy).
• Nipiwan Park (Canada): World War II: The Park ship was torpedoed and damaged in the Atlantic Ocean (44°30′N 63°00′W) by U-1232 (Kriegsmarine). She broke in two, with the bow section sinking. A new bow section was constructed and she was returned to service.

5 January

• USS Ommaney Bay (United States Navy):World War II: The Casablanca-class escort carrier was crippled by a Japanese Kamikaze aircraft and scuttled in the Pacific Ocean near the Philippine Islands.
• CHANT 68 (United Kingdom): The Channel Tanker capsized and sank at Grangemouth Harbour, Stirlingshire. She was salvaged, but repairs were deemed uneconomic and she was scrapped.

6 January

• USS Long (United States Navy): World War II: The Clemson-class destroyer was sunk in the Philippine Sea by a Japanese kamikaze aircraft. All crew were rescued by USS Hovey (United States Navy).
• Sirius (Norway): World War II: The coaster was bombed and sunk at Bjordal, Sogn og Fjordane by aircraft of 144, 455 and 489 Squadrons, Royal Air Force. Raised in summer 1945, repaired and returned to service in January 1947.

7 January

• USS Hovey (United States Navy): World War II: The Clemson-class destroyer was torpedoed and sunk in the Philippine Sea (16°20′N 120°10′E) by Japanese aircraft with the loss of 24 of her 167 crew and 24 of the survivors from USS Brooks and USS Long (both United States Navy).
• USS Palmer (United States Navy): World War II: The Wickes-class destroyer was bombed and sunk in the Lingayen Gulf by Japanese aircraft with the loss of 28 of her 122 crew. Survivors were rescued by USS West Virginia (United States Navy).

8 January

• Fusa (Norway): World War II: The passenger ship was bombed and sunk in Korsfjord, Sør-Trøndelag by Royal Air Force aircraft with the loss of seven of the 42 people on board.
• Trygg (Norway): World War II: The coaster was bombed and sunk in Korsfjord by Royal Air Force aircraft with the loss of two crew.
• V-5116 (Kriegsmarine): World War II: The vorpostenboot was bombed and sunk in Korsfjord by Royal Air Force aircraft.

9 January

• Jonas Lie (United States): World War II: The Liberty ship was torpedoed and damaged in the Bristol Channel (51°45′N 5°26′W) by U-1055 (Kriegsmarine). She was taken in tow but sank.

10 January

• Blackheath (United Kingdom): World War II: The cargo ship was torpedoed and damaged in the Mediterranean Sea off Cape Spartel, Morocco and was beached. She broke her back on 14 January.
• Coast defence vessel No.42 (Imperial Japanese Navy): World War II: The coastal defence ship was torpedoed and sunk in the Pacific Ocean off he Ryukyu Islands by USS Puffer (United States Navy).
• USS Hull (United States Navy): Typhoon Cobra: The Farragut-class destroyer capsized and sank in the Pacific Ocean with the loss of 202 of her 264 crew.
• USS Monaghan (United States Navy): Typhoon Cobra: The Farragut-class destroyer capsized and sank in the Pacific Ocean with the loss of 256 of her 260 crew.
• USS Spence (United States Navy): Typhoon Cobra: The Fletcher-class destroyer capsized and sank in the Pacific Ocean with the loss of 317 of her 340 crew.

11 January

• Pasajes (Germany): The cargo ship ran aground in the Skagerrak (58°05′N 8°15′E). Refloated and place under repair. Seized by the British in May 1945, entered service as Empire Rhondda.
• HMS Thane (Royal Navy): World War II: The Bogue-class escort carrier was torpedoed and damaged in the Irish Sea by U-1172 (Kriegsmarine) and was declared a constructive total loss. She was subsequently scrapped.

12 January

• Kong Oscar II (Germany): The cargo ship ran aground in a storm at Sandnessjøen, Nordland, Norway. She sank the next day. Wreck scrapped during the winter of 1954–55.
• Louhi (Finnish Navy): World War II: The minelayer was torpedoed and sunk by U-370.
• USS Swordfish (United States Navy): World War II: The Sargo-class submarine was either depth charged or struck a mine and sank off Okinawa Island, Japan with the loss of all 59 crew.
• Treen (South African Navy): World War II: The auxiliary minesweeper struck a mine and sank in the Mediterranean Sea (39°06′N 23°14′E) with the loss of 23 of her 24 crew.

13 January

• Vaga (Norway): World War II: The cargo ship was bombed and sunk in the North Sea off Homborsund, Aust-Agder by Royal Air Force aircraft with the loss of seven lives.

14 January

• Martin van Buren (United States): World War II: The Liberty ship was torpedoed and damaged in the Atlantic Ocean (44°28′N 63°28′W) by U-1232 (Kriegsmarine). She was beachted but declared a constructive total loss. The wreck was scrapped in situ in 1950.
• Yurishima (Imperial Japanese Navy): World War II: The minelayer was torpedoed and sunk in the South China Sea off Malaya by USS Cobia (United States Navy).

16 January

• Donau (Germany): World War II: The troop ship was sunk in Oslofjord by ten limpet mines that had been placed by Norwegian saboteurs. The wreck was raised in 1952 and towed to Bremerhaven, West Germany for scrapping.
• James Harrod (United States): World War II: The Liberty ship collided with Raymond B. Stevens in the North Sea off Deal, Kent. She was beached in Pegwell Bay but broke in two and was declared a constructive total loss.
• U-248 (Kriegsmarine): World War II: The Type VII submarine was depth charged and sunk in the Atlantic Ocean by USS Hayter, USS Hubbard, USS Otter (DE-210) and USS Varian (DE-798) (all United States Navy).

17 January

• Transport No.15) (Japan): World War II: The troopship was torpedoed and sunk in the East China Sea by USS Tautog (United States Navy).

18 January

• Empire Clansman (United Kingdom): The collier ran aground on South Carr Rocks, off North Berwick, Berwickshire. She was later refloated, repaired and returned to service.
• Samvern (United Kingdom): World War II: The Liberty ship struck a mine and sank in the Scheldt, Belgium (51°22′N 3°02′E).

19 January

• HMS Porpoise (Royal Navy): World War II: The Grampus-class submarine was sunk in the Malacca Strait off Penang, Malaya by Japanese aircraft.

20 January

• Shuri Maru (Imperial Japanese Navy): World War II: The tender was torpedoed and sunk in the South China Sea by USS Tautog (United States Navy).

21 January

• Galatea (Norway): World War II: The cargo ship was torpedoed and sunk in St. George's Channel (52°40′N 5°23′W) by U-1051 or U-1172 (Kriegsmarine) with the loss of twenty of her 21 crew. The survivor was rescued by HMS Tyler (Royal Navy).
• Haruta Maru Japan): World War II: The cargo ship was bombed and sunk in the South China Sea 50 nautical miles (93 km) south of Hong Kong (22°40′N 114°10′E) by United States Army Air Force aircraft.

23 January

• I-48 (Imperial Japanese Navy): World War II: The Type C3 submarine was depth charged and sunk in the Pacific Ocean off Yap, Caroline Islands by USS Conklin, USS Corbesier and USS Raby (all United States Navy).
• Vigsnes (Norway): World War II: The cargo ship was torpedoed and sunk in the Irish Sea (53°32′N 4°19′W) by U-1172 (Kriegsmarine). All 25 crew survived.

24 January

• Empire Rupert (United Kingdom): The tug collided with HMS Twickenham (Royal Navy) and sank in the English Channel off Dover, Kent (51°03′N 1°32′E).
• USS Extractor (United States Navy): World War II: The Anchor-class rescue and salvage ship was accidentally torpedoed and sunk in the Phillipine Sea (15°44′N 135°29′E) by USS Guardfish (United States Navy) with the loss of six of her 65 crew. The survivors were rescued by USS Guardfish.
• Shigure (Imperial Japanese Navy): World War II: The Shiratsuyu-class destroyer was torpedoed and sunk in the Gulf of Siam (6°00′N 103°48′E) by USS Blackfin (United States Navy) with the loss of 37 of her 307 crew. Survivors were rescued by Kanju and Miyake (both Imperial Japanese Navy).
• Tungenes (Norway): World War II: The coaster was shelled and sunk off Lista, Vest-Agder by German shore-based artillery. All crew survived.

25 January

• Bjergfin (Norway): World War II: Convoy Be-156-Al: The coaster was bombed and sunk in Eidsfjord by Allied aircraft with the loss of one crew member.
• Ilse Fritzen (Germany): Convoy Be-156-Al: The cargo ship was bombed and sunk in Eidsfjord by Allied aircraft.
• Malay Maru (Japan): World War II: The cargo ship was torpedoed and sunk in the East China Sea by USS Silversides (United States Navy).

27 January

• Havbris (Norway): The cargo ship foundered off Kristiansand, Vest-Agder with the loss of fourteen crew.
• Solør (Norway): World War II: Convoy HX 332: The tanker was torpedoed and damaged in the St George's Channel (52°35′N 5°18′W) by U-825 (Kriegsmarine) with the loss of four of her 44 crew. She was taken in tow and beached in Oxwich Bay, where she broke in two in February and was declared a total loss. The bow section was refloated and scrapped at Briton Ferry Glamorgan; the stern section was scrapped in situ in July 1952.

28 January

• J. M. (Norway): World War II: The coaster was bombed and sunk in the Norwegian Sea off Larsnes, Møre og Romsdal by Allied aircraft. All crew survived.
• Varp (Norway): World War II: The fishing vessel was bombed and sunk in Røvdefjord.

29 January

• USS Serpens (United States Navy): World War II: The Crater-class cargo ship was sunk by an explosion whilst loading depth charges at Lunga Beach, Guadalcanal, Solomon Islands. The explosion killed 198 of her 208 crew, plus 57 stevedores on the ship and another person ashore.

30 January

• Wilhelm Gustloff (Kriegsmarine): World War II: The cruise ship was torpedoed by S-13 (Soviet Navy) in the Baltic Sea, She sank with about 9,000 casualties: Thought to be the greatest loss of lives in a single ship incident in history.

31 January

• USS PC-1129 (United States Navy): World War II: The PC-461-class submarine chaser was sunk in the South China Sea off Luzon, Philippines by a Japanese Shinyo suicide boat.
• Ro-115 (Imperial Japanese Navy): World War II: The Ro-100-class submarine was depth charged and sunk by USS Bell, USS Cavalier, USS O'Bannon and USS Ulvert M. Moore

Unknown date

• Herold (Norway): The cargo ship was bombed and sunk at Bergen in December 1944 or January 1945.

February

4 February

• USS Barbel (United States Navy): World War II: The Balao-class submarine was bombed and sunk in the Palawan Passage by Japanese aircraft with the loss of all 81 crew.

5 February

• Henry B Plant (United States): World War II: Convoy TAM 71L The Liberty ship was torpedoed and sunk in the Strait of Dover by U-245 (Kriegsmarine) with the loss of sixteen of her 70 crew. Survivors were rescued by HMS Hazard and HMS Sir Lancelot (both Royal Navy).

6 February

• James Otis (United States): The Liberty ship ran aground on the coast of Devon, United Kingdom and was declared a constructive total loss.
• Peter Silvester (United States): World War II: The Liberty ship was torpedoed and sunk in the Indian Ocean (34°19′S 159°32′E) by U-862 (Kriegsmarine).

9 February

• Kommandøren (Norway): The cargo liner ran aground at Flatøy and sank. Salvaged in March 1945 and towed to Bergen for repairs.

10 February

• Ro-55 (Imperial Japanese Navy): World War II: The Ro-53-class submarine was torpedoed and sunk in the Pacific Ocean (18°56′N 121°34′E) by USS Batfish (United States Navy).

11 February

• Persier (Belgium): World War II: The cargo ship was torpedoed and sunk in the English Channel off the Eddystone Lighthouse (50°24′N 4°20′W) by U-1017 (Kriegsmarine) with the loss of twenty crew.
• Ro-112 (Imperial Japanese Navy): World War II: The Ro-100-class submarine was torpedoed and sunk in the Pacific Ocean (18°53′N 121°50′E) by USS Batfish (United States Navy).
• HMSAS Treen (South African Navy): World War II: The minesweeper struck a mine and sank in the Mediterranean Sea with the loss of all but one of her 24 crew.
• U-869 (Kriegsmarine): World War II: The Type IXC/40 submarine was depth charged and sunk in the Atlantic Ocean (39°19′48″N 73°12′00″W) by USS Howard D. Crow and USS Koiner (both United States Navy) with the loss of all 55 crew.

13 February

• Ro-113 (Imperial Japanese Navy): World War II: The Ro-100-class submarine was torpedoed and sunk in the Pacific Ocean (19°10′N 121°25′E) by USS Batfish (United States Navy).

14 February

• Horace Gray (United States): World War II: The Liberty ship was torpedoed and sunk in the Kola Inlet, Soviet Union by U-711 (Kriegsmarine).

16 February

• Iida Maru Japan): World War II: The cargo ship was bombed and sunk in Cape Saint Jacques harbour, French Indochina (10°20′N 107°06′E) by a Consolidated B-24 Liberator aircraft of the United States Army Air Force.

17 February

• HMS Bluebell (Royal Navy): World War II: Convoy RA 64: The Flower-class corvette was torpedoed and sunk in the Atlantic Ocean by U-711 (Kriegsmarine) with the loss off all but one of her 86 crew.
• HMS Lark (Royal Navy): World War II: The Black Swan-class sloop was damaged beyond repair by U-968 (Kriegsmarine).
• Regent Lion (United Kingdom): World War II: Convoy UGS 72: The tanker was torpedoed and damaged in the Strait of Gibraltar (35°56′N 5°45′W) by U-300 (Kriegsmarine) with the loss of seven of her 52 crew. Regent Lion was taken in tow by HMT Arctic Ranger and HMS Rollicker (both Royal Navy) but ran aground on Perle Rock. She was declared a total loss.

20 February

• Nokaze (Imperial Japanese Navy): World War II: The Minekaze-class destroyer was torpedoed and sunk in the South China Sea north of Nha Trang, French Indochina (12°48′N 109°38′E) by USS Pargo (United States Navy) with the loss of 209 of her 230 crew. Survivors were rescued by Kamikaze (Imperial Japanese Navy).

21 February

• Austri (Norway): World War II: The coaster was bombed and sunk at Leirvik, Hordaland by de Havilland Mosquito aircraft of 235 Squadron, Royal Air Force with the loss of twenty of the 62 people on board.
• USS Bismarck Sea (United States Navy): World War II: The Casablanca-class escort carrier was sunk in the Pacific Ocean near Iwo Jima by two Japanese Kamikaze aircraft.
• Porto Alegre (Germany): World War II: The cargo ship was bombed and sunk in the Skaggerak by Allied aircraft.
• Gula (Norway): World War II: The coaster was bombed and sunk at Leirvik by de Havilland Mosquito aircraft of 235 Squadron RAF. Refloated post-war, repaired and returned to service in June 1946.
• Tairiku Maru (Japan): World War II: The cargo ship was torpedoed and sunk by USS Gato (United States Navy) at 35°24′N 125°32′E.

22 February

• U-300 (Kriegsmarine): World War II: The Type VIIC submarine was depth charged and sunk in the Atlantic Ocean west of Cadiz, Spain (36°29′N 8°20′W) by HMS Evadne, HMS Pincher and HMS Recruit (J298) (all Royal Navy) with the loss of nine of her 50 crew.

23 February

• Henry Bacon (United States): World War II: The Liberty ship was torpedoed and sunk in the Barents Sea (67°38′N 5°00′E) by Junkers Ju 88 and Heinkel He 111 aircraft of the Luftwaffe.
• Nap (Norway): World War II: The boat was bombed and sunk at Horten, Vestfold.
• Point Pleasant Park (Canada): World War II: The Park ship was torpedoed, shelled and sunk in the Indian Ocean (29°42′S 9°58′E) by U-510 (Kriegsmarine).

24 February

• Ellesmere (United Kingdom): World War II: The trawler was torpedoed and sunk in the English Channel (49°04′N 5°31′W) by U-1203 (Kriegsmarine).
• Haukefjell (Germany): World War II: The cargo ship was bombed and damaged at Hamburg in an Allied air raid. She was declared a total loss.
• Yulin Maru (Japan): The cargo ship ran aground off Qui Nhon, French Indochina (13°48′N 109°14′E) and sank.

26 February

• I-370 Imperial Japanese Navy): World War II: The I-361-class submarine was depth charged and sunk in the Pacific Ocean (22°45′N 141°27′E) by USS Finnegan (United States Navy).

27 February

• Corvus (Norway): World War II: The cargo ship was torpedoed and sunk in the Western Approaches of the English Channel by U-1018 (Kriegsmarine).
• Sampa (United Kingdom): World War II: The Liberty ship struck a min and sank in the North Sea off Ostend, West Flanders, Belgium.
• U-327 (Kriegsmarine): World War II: The Type VII submarine was sunk in the Western Approaches by depth charges dropped by HMS Labuan, HMS Wild Goose and HMS Loch Fada (all Royal Navy).
• U-1018 (Kriegsmarine): World War II: The Type VII submarine was sunk in the Western Approaches by depth charges dropped by HMS Loch Fada (Royal Navy).

28 February

• Lautaro (Chilean Navy): The barque was destroyed when her cargo caught fire in the Pacific Ocean off the coast of Peru.

March

1 March

• Robert L. Vann (United States): World War II: The Liberty ship struck a mine and sank in the North Sea off Ostend, West Flanders, Belgium (51°23′N 2°51′E).

2 March

• Novasli (Norway): World War II: Convoy SC 167: The cargo ship was torpedoed and damaged in the Bristol Channel (51°47′N 5°32′W), possibly by U-1302 (Kriegsmarine). All 36 crew were rescued by HMT Helier II (Royal Navy), which scuttled the ship.

6 March

• Empire Geraint (United Kingdom): World War II: The tanker was torpedoed and damaged at Milford Haven, Pembrokeshire by U-775 (Kriegsmarine). She was beached with her back broken. Refloated on 30 April, repaired and returned to service.
• Green Hill Park (Canada): The Park ship was damaged by fire at Vancouver, British Columbia. She was declared a constructive total loss bt was repaired and re-entered service in 1946 as the Panamanian-flagged Phaeax II.
• XE 11 (Royal Navy): The midget submarine collided with a Royal Navy boom defence vessel in Loch Striven with the loss of two of her four crew.

8 March

• Benjamin R. Milam (United States): World War II: The Liberty ship sank off Baltimore, Maryland following an explosion in her engine room. She was refloated, repaired and returned to service.
• Lornaston (United Kingdom): World War II: Convoy ONA 289: The cargo ship was torpedoed and sunk in the English Channel off Fécamp, Seine-Maritime, France (50°35′N 0°30′W) by U-275 (Kriegsmarine). All 48 crew were rescued by HMS Holmes and HMS Palencia (both Royal Navy).

9 March

• Meteor II (Kriegsmarine): World War II: The hospital ship was being used as a troopship against the rules of war. She was bombed and sunk at Pillau, East Prussia by Soviet Air Force aircraft with the loss of 24 of the 300 people on board.

10 March

• Nordhav II (Royal Navy): World War II: Convoy FS 1753: The auxiliary minesweeper was torpedoed and sunk in the North Sea () by U- (Kriegsmarine) with the loss of at least four of her nine-plus crew. Survivors were rescued by HNoMS Syrian (Royal Norwegian Navy).
• U-275 (Kriegsmarine): World War II: The Type VIIC submarine struck a mine and sank in the English Channel off Newhaven, East Sussex, United Kingdom (50°36′N 0°04′E) with the loss of all 48 crew.

11 March

• Carl (Germany) World War II: The cargo ship was sunk in an Allied air raid at Hamburg.
• Orion (Germany): World War II: The tanker was sunk in an Allied air raid at Hamburg. Raised post-war, repaired and returned to service for her Norwegian owners.

12 March

• MRS-4 (Kriegsmarine): World War II: The depot ship was torpedoed and sunk off the Kvaløytå Lighthouse, Haugesund, Rogaland (59°25′N 5°15′E by HNoMS MTB-711 (Royal Norwegian Navy with the loss of 86 of her 156 crew.
• Rolandseck (Kriegsmarine): World War II: The troop ship was sunk in an air attack near Skagen, Denmark.
• U-260 (Kriegsmarine): World War II: The Type VIIC submarine struck a mine and sank in the Atlantic Ocean south of Ireland. All 48 crew survived.

13 March

• Taber Park (United Kingdom): World War II: The Park ship was torpedoed and sunk in the North Sea (52°22′N 1°53′E) by a Kriegsmarine midget submarine.
• Russell H. Crittenden (United States): The Liberty ship was wrecked on the coast of New Guinea (5°55′S 149°10′E).

15 March

USS Lancetfish, 23 March 1945

• USS Lancetfish (United States Navy): The Balao-class submarine sank at Boston Navy Yard, Boston, Massachusetts. She was raised on 23 March and decommissioned the next day, subsequently being allocated to the Atlantic Reserve Fleet.

16 March

• Inger Toft (United Kingdom): World War II: Convoy RU 156: The cargo ship was torpedoed and sunk in the Atlantic Ocean (57°25′N 6°52′W) by U-722 (Kriegsmarine).

17 March

• HMCS Guysborough (Royal Canadian Navy): World War II: The Bangor-class minesweeper was torpedoed and sunk in the Bay of Biscay by U-868 (Kriegsmarine) with the loss of 51 of her crew. About 40 survivors were rescued by HMS Inglis (Royal Navy).
• Iris (Germany): World War II: The cargo ship was bombed and sunk at Ålesund, Møre og Romdal, Norway by Allied aircraft.
• Log (Norway): World War II: The cargo ship was bombed and sunk at Ålesund by Allied aircraft.
• Samui (Japan): World War II: The coastal tanker was torpedoed and sunk in the Gulf of Siam by USS Sealion (United States Navy).

18 March

• Tsukushi Maru No.3 (Japan): World War II: The cargo ship was torpedoed and sunk in the Pacific Ocean off the Ryukyu Islands by USS Trigger (United States Navy).
• U-866 (Kriegsmarine): World War II: The Type IXC/40 submarine was depth charged and sunk in the Atlantic Ocean by USS Lowe and USS Menges (both United States Navy).

19 March

• Astrida (Belgium): The cargo liner foundered in the Atlantic Ocean 58 nautical miles (107 km) south east of Port Elizabeth, South Africa during a hurricane with the loss of 88 passengers and crew.
• Empire Blessing (United Kingdom): World War II: The cargo ship struck a mine and sank in the Scheldt, Belgium.

Ryūhō

• Ryūhō (Imperial Japanese Navy): World War II: The aircraft carrier was bombed and damaged in the Pacific Ocean off Kure by American aircraft with the loss of twenty of her 989 crew. She was declared a total loss and was scrapped in 1946.
• Samselbu (United Kingdom): World War II: The Liberty ship struck a mine and sank in the North Sea off the coast of Belgium (51°23′N 3°06′E).
• Sirius (Germany): World War II: The cargo ship was torpedoed and sunk by Venturer (Royal Navy).

20 March

• Horace Bushnell (United States): World War II: The Liberty ship was torpedoed and damaged off the north coast of the Soviet Union by U-995 (Kriegsmarine. She was beached and abandoned. Later salvaged by the Soviets, repaired and entered Soviet service.
• HMS Lapwing (Royal Navy): World War II: The Black Swan-class sloop was torpedoed and sunk in the Kola Inlet by U-968 (Kriegsmarine) with the loss of one crew member.
• Thomas Donaldson (United States): World War II: The Liberty ship was torpedoed and sunk off Murmansk, Soviet Union by U-968 (Kriegsmarine).
• Venus (Kriegsmarine): World War II: The target ship was bombed and sunk at Hamburg by Allied aircraft. Raised post-war, repaird and returned to Norwegian service in May 1948.

21 March

• James Eagan Layne (United States): World War II: The Liberty ship was torpedoed and damaged in the English Channel off Plymouth, Devon, United Kingdom (50°13′N 4°05′W) by U-1195. She was beached at Whitesand Bay but declared a constructive total loss.
• John R. Park (United States): World War II: The Liberty ship was torpedoed and sunk in the Bay of Biscay off Brest, Finistère, France (49°58′N 5°45′W) by U-399 (Kriegsmarine).

22 March

• Empire Kingsley (United Kingdom): World War II: The cargo ship was torpedoed and sunk in the Atlantic Ocean (50°08′N 5°51′W) by U-315 (Kriegsmarine).
• I-371 (Imperial Japanese Navy): World War II: The Type D submarine was depth charged, rammed and sunk in the Pacific Ocean off Okinawa by USS Haggard (United States Navy).
• Mendoza (Germany): World War II: The cargo ship was sunk in the Baltic Sea off Pillau, East Prussia, Germany in a Soviet air attack.

23 March

• Charles D. McIver (United States): World War II: The Liberty ship either struck a mine or was torpedoed and sunk in the North Sea off Ostend, West Flanders, Belgium (51°23′N 3°05′E).
• Eleftheria (United States): World War II: The Liberty ship struck a mine and was damaged in thye North Sea off Ostend. She was beached but broke in two. The wreck was dispersed in 1952.
• Gneisenau (Kriegsmarine): World War II: The Gneisenau-class battleship was sunk as a blockship in Gdynia harbor, Poland. She was later refloated and scrapped.
• Lysaker (Norway): World War II: The coaster was bombed and sunk at Sandshamn, Møre og Romsdal by de Havilland Mosquito aircraft of 143 Squadron, Royal Air Force.
• Utviken (Norway): World War II: The cargo ship struck a mine and sank in the Kattegat off Sjællands Odde, Denmark.

24 March

• Sarp (Norway): World War II: The coaster was bombed and damaged at Egersund, Rogaland in an Allied air raid. She was beached on fire and was later condemned as a total loss. Repaired in 1945 and used as a barge before being scrapped later that year.
• Thetis (Germany): The cargo ship was bombed and sunk at Egersund in a Allied air raid. She was raised post-war, repaired and entered Norwegian service as Strømsøy.
• HMCS Trentonian (Royal Canadian Navy): World War II: Convoy BTC 76: The Flower-class corvette was torpedoed and sunk in the English Channel off Falmouth, Cornwall by U-1004 (Kriegsmarine) with the loss of six of her 101 crew.
• Tugela (Germany): World War II: The cargo ship struck a mine and sank in the North Sea off Florø, Sogn og Fjordane, Norway.
• UJ-1435 (Kriegsmarine): World War II: The submarine chaser was bombed and sunk at Egersund in an Allied air raid. She was raised post-war.
• Weser (Germany): World War II: The cargo ship was sunk in an air raid at Neufahrwasser, Danzig, Germany.

25 March

• Leda (Norway): World War II: The passenger ship was shelled and sunk off the mouth of the Oder by Soviet shore-based artillery. Raised in December 1948 but declared a total loss. Sold in December 1949 for scrapping.

26 March

• USS Halligan (United States Navy): World War II: The Fletcher-class destroyer struck a mine and was damaged in the Pacific Ocean off the Ryuku Islands with the loss of about half of her crew. Survivors were rescued by USS PC-1128 and USS LSM(R)-194. The wreck came ashore the next day on Tokashiki.

27 March

• Odate (Imperial Japanese Navy): World War II: The repair ship was torpedoed and sunk in the Pacific Ocean off the Ryukyu Islands by USS Trigger (United States Navy).
• U-722 (Kriegsmarine): World War II: The Type VIIC submarine was sunk in the Atlantic Ocean west of Scotland by HMS Byron, HMS Fitzroy and HMS Redmill (all Royal Navy).

28 March

• USS Trigger (United States Navy): World War II: The Gato-class submarine was depth charged and sunk in the Pacific Ocean off the Ryukyu Islands (32°16′N 123°05′E) by Mikura, CD-33 and CD-59 (all Imperial Japanese Navy).

29 March

• Kommandøren (Norway): World War II: The cargo ship was torpedoed and sunk at Bergen by S-13 (Kriegsmarine) with the loss of one crew member.

30 March

• Gudrid (Norway): World War II: The cargo ship was bombed and sunk at Menstad, Telemark by de Havilland Mosquito aircraft of 143, 235, 248 and 333 Squadrons, Royal Air Force. Raised post-war, repaired and returned to service in 1948.
• Scharnhörn (Germany): World War II: The cargo ship was bombed and sunk at Menstad by de Havilland Mosquito aircraft of 143, 235, 248 and 333 Squadrons, RAF.
• Svanefjell (Norway): World War II: The cargo ship was bombed and sunk at Menstad by de Havilland Mosquito aircraft of 143, 235, 248 and 333 Squadrons, RAF. Raised post-war, repaired and returned to service.
• Torafire (Norway): World War II: The cargo ship was bombed and sunk at Menstad by de Havilland Mosquito aircraft of 143, 235, 248 and 333 Squadrons, RAF. Raised in August 1945, repaired and returned to service in February 1948.
• U-96 (Kriegsmarine): World War II: The Type VIIC submarine was bombed and sunk at Wilhelmshaven, Lower Saxony by United States Army Air Force aircraft.

31 March

• I-8 (Imperial Japanese Navy: World War II: The Type J3 submarine was depth charged, shelled and sunk in the Pacific Ocean off Okinawa by USS Morrison and USS Stockton (both United States Navy) with the loss of 99 of her 100 crew. The survivor was rescued by USS Morrison.
• John C. Fremont (United States): World War II: The Liberty ship was damaged by a mine in Subic Bay, Philippines and was declared a constructive total loss.

Unknown date

• U-296 (Kriegsmarine): World War II: The Type VIIC submarine was lost on or about 12 March on patrol in the Atlantic Ocean (approximately 55°30′N 7°00′W) possibly due to striking a mine. All 42 crew killed.

April

1 April

• Armenier (United Kingdom): World War II: The cargo ship was scuttled or beached off Littlehampton, West Sussex.
• Awa Maru (Japan): World War II: The ocean liner was torpedoed and sunk by USS Queenfish (United States Navy) whilst under Allied escort.

2 April

• Concordia (Norway): World War II: The cargo ship was bombed and sunk in Sognefjord by Royal Air Force aircraft. Later raised, repaired and returned to service.
• USS Dickerson (United States Navy): World War II: The Wickes-class destroyer was damaged in the Pacific Ocean off Okinawa, Japan by a kamikaze attack with the loss of 54 of her 101 crew. The ship was scuttled off Kerama Retto on 4 April.
• William Blumer (Norway): World War II: The cargo ship was bombed and sunk in Sognefjord by Royal Air Force aircraft. She was raised on 12 October 1946, repaired and returned to service in April 1948 as William.

3 April

• Brummer (Kriegsmarine): World War II: The minelayer was wrecked in a Royal Air Force air raid on Kiel, Schleswig-Holstein.

4 April

• U-237 (Kriegsmarine): World War II: The Type VIIC submarine was bombed and sunk at Kiel, Schleswig-Holstein in a British air raid with the loss of one crew member.

5 April

• Ro-49 (Imperial Japanese Navy): World War II: The Kaichū type submarine was depth charged and sunk in the Pacific Ocean off Okinawa by USS Hudson (United States Navy).
• USS Thornton (United States Navy): The Clemson-class destroyer collided with USS Ashtabula and USS Escalante in the Pacific Ocean off the Ryuku Islands and was severely damaged. She was beached and abandoned at Keramo Retto on 2 May.
• Torridal (Norway): World War II: The cargo ship was torpedoed and sunk at Folda, Nord-Trøndelag by Utsira (Royal Norwegian Navy) with the loss of fifteen of her eighteen crew.
• U-242 (Kriegsmarine): World War II: The Type VIIC submarine struck a mine and sank in St George's Channel (52°02′54″N 5°46′48″W) with the loss of all 44 crew.

6 April

• Amatsukaze (Imperial Japanese Navy): World War II: The Kagero-class destroyer was bombed and damaged in the Taiwan Strait 6 nautical miles (11 km) east of Amoy, China by North American B-25 Mitchell aircraft of the United States Army Air Force. She was beached but salvage was abandoned two days later and she was scuttled on 10 April.
• USS Bush (United States Navy): World War II: The Fletcher-class destroyer was sunk in a Japanese kamikaze attack in the Pacific Ocean off Okinawa, Japan with the loss of 87 of her 314 crew.
• USS Emmons (United States Navy): World War II: The Gleaves-class destroyer was damaged in a Japanese kamikaze attack in the Pacific Ocean off Okinawa. She was scuttled the next day with the loss of 60 of her 208 crew.
• Hobbs Victory (United States): World War II: The Victory ship damaged in a Japanese kamikaze attack at Okinawa, Japan (25°50′N 127°14′E). She exploded and sank the next day.
• Marco Brunner (Germany): World War II: The troopship was sunk off Väderöarna, Sweden, with the loss of around 700 from the 1,200 people on board.
• USS Morris (United States Navy): World War II: The Sims-class destroyer was damaged in a Japanese kamikaze attack by a Nakajima B5N aircraft. She was consequently declared a constructive total loss.

7 April

• Asashimo (Imperial Japanese Navy): World War II: Operation Ten-Go: The Yūgumo-class destroyer was torpeded and sunk in the Pacific Ocean 150 nautical miles (280 km) south west of Nagasaki (approximately 38°N 128°E by aircraft based on USS San Jacinto (United States Navy) with the loss of all 328 crew.
• Hamakaze (Imperial Japanese Navy): World War II: Operation Ten-Go: The Kagero-class destroyer was torpedoed and sunk in the Pacific Ocean 150 nautical miles (280 km) south west of Nagasaki (30°47′N 128°08′E) by aircraft based on USS San Jacinto (United States Navy).
• Isokaze (Imperial Japanese Navy): World War II: The Kagero-class destroyer was damaged in the Pacific Ocean by aircraft of Task Force 58, United States Navy. She was scuttled with the loss of twenty of her 239 crew.
• Isuzu (Imperial Japanese Navy): World War II: The Nagara-class cruiser was torpedoed and damaged in the Java Sea 80 nautical miles (150 km) north west of Bima, Dutch East Indies by USS Gabilan (United States Navy). She was then torpedoed and sunk by USS Charr (United States Navy) at 7°38′S 118°09′E.
• James W. Nesmith (United States): World War II: The Liberty ship was torpedoed and damaged in the Irish Sea by U-1024 (Kriegsmarine. She was beached at Holyhead, Anglesey, United Kingdom but was declared a constructive total loss.
• Oldenburg (Germany): World War II: The cargo ship was sunk off Vadheim, Sogn og Fjordane Norway by Allied aircraft.
• Yahagi (Imperial Japanese Navy): World War II: Operation Ten-Go: The Agano-class cruiser was bombed, torpedoed and sunk in the Pacific Ocean south of Kyushu, Japan by United States Navy aircraft.
• Yamato (Imperial Japanese Navy): World War II: Operation Ten-Go: The Yamato-class battleship was bombed, torpedoed and sunk in the Pacific Ocean south of Kyushu by United States Navy aircraft with the loss of 2,055 of her 2,332 crew.

8 April

• Boelcke ( Luftwaffe): World War II: The Karl Meyer-class seaplane tender was sunk by Soviet aircraft.
• Hans Albrecht Wedel ( Luftwaffe): World War II: The Hans Albrecht Wedel-class seaplane tender was sunk by Soviet aircraft.

9 April

• Admiral Scheer (Kriegsmarine): World War II: The Deutschland-class pocket battleship was sunk in a Royal Air Force air raid on Kiel, Schleswig-Holstein.
• Charles Henderson (United States): The Liberty ship exploded and sank at Bari, Apulia, Italy whilst unloading her cargo of ammunition.
• Rosnaes (Denmark): World War II: The cargo ship was seized by the Danish Resistance off Copenhagen and ran aground on Ven, Sweden. She was refloated and taken to Landskrona. Nineteen other Danish vessels were also seized and taken to Sweden to prevent their capture by German forces.
• Samida (United Kingdom): World War II: The Liberty ship was torpedoed and sunk in the English Channel off Dungeness, Kent by a Kriegsmarine submarine.
• U-804 (Kriegsmarine): World War II: The Type IXC/41 submarine was sunk in the Skagerrak off Gothenburg, Sweden by de Havilland Mosquito aircraft of 143 Squadron and 235 Squadron, Royal Air Force with the loss of all 55 crew.

10 April

• Seydlitz (Kriegsmarine): World War II: The Admiral Hipper-class cruiser was scuttled at Kiel, Schleswig-Holstein.

12 April

• Dione (Norway): World War II: The cargo ship was bombed and sunk at Porsgrunn, Telemark by Allied aircraft. Raised post-war, repaired and returned to service in April 1946.
• Kalmar (Germany): World War II: The cargo ship was bombed and sunk at Porsgrunn by Allied aircraft.
• USS Mannert L. Abele (United States Navy}): World War II: The Allen M. Sumner-class destroyer was sunk in the Pacific Ocean 70 nautical miles (130 km) north west of Okinawa, Japan (27°15′00″N 136°30′00″E) by a Japanese kamikaze attack using an Aichi D3A of Yokosuka MXY7 Ohka aircraft. Survivors were rescued by USS LSM(R)-189 and USS LSM(R)-190 (both United States Navy).
• Nordsjø (Norway): World War II: The coaster was bombed and sunk a Porgsrunn by Allied aircraft. Raised post-war, repaired and returned to service.
• Traust (Norway: World War II: The coaster was bombed and sunk a Porgsrunn by Allied aircraft. Raised post-war, repaired and returned to service.

14 April

• Belgian Airman (Belgium): World War II: The cargo ship was torpedoed and sunk off Chesapeake Bay, Maryland, United States by U-857 (Kriegsmarine).
• U-235 (Kriegsmarine): World War II: The Type VIIC submarine was depth charged and sunk in the Kattegat (57°44′N 10°39′E by T17 (Kriegsmarine) with the loss of all 47 crew.

15 April

• HMCS Esquimalt (Royal Canadian Navy): World War II: The Bangor-class minesweeper was torpedoed and sunk in the Atlantic Ocean off Chebucto Head, Nova Scotia (44°28′N 63°10′W) by U-190 (Kriegsmarine) with the loss of 44 of her 71 crew.
• U-103 (Kriegsmarine): World War II: The decomissioned Type IXB submarine was bombed and sunk at Kiel, Schleswig-Holstein in an air raid with the loss of one life.
• U-285 (Kriegsmarine): World War II: The Type VIIC submarine was depth charged and sunk in the Atlantic Ocean south west of Ireland (50°13′N 12°48′W) by HMS Grindall and HMS Keats (both Royal Navy) with the loss of all 44 crew.
• U-1235 (Kriegsmarine): World War II: The Type IXC/40 submarine was depth charged and sunk in the Atlantic Ocean by USS Frost and USS Stanton (both United States Navy).

16 April

• HMCS Esquimalt (Royal Canadian Navy): World War II: The Bangor-class minesweeper was torpedoed and sunk in the Atlantic Ocean off Chebucto Head, Nova Scotia by U-190 (Kriegsmarine with the loss of 44 of her 71 crew. She was the last Canadian warship sunk during the war.
• Goya (Kriegsmarine): World War II: Evacuation of East Prussia: The transport ship was torpedoed and damaged in the Baltic Sea north of Hela by L-3 (Soviet Navy). She broke in two and sank the next day with the loss of between 6,220 and 7,028 lives. There were between 165 and 334 survivors.
• Lutzow (Kriegsmarine): World War II: The Deutschland-class cruiser was bombed and sunk in the Kaiserfahrt. She was raised and scrapped in 1947.
• Manryu Maru (Japan): World War II: The cargo ship was torpedoed and sunk in the Pacific Ocean off Japan by USS Sunfish (United States Navy).
• USS Pringle (United States Navy): World War II: The Fletcher-class destroyer was sunk in the Pacific Ocean off Okinawa, Japan by a kamikaze aircraft attack with the loss of 78 of her 336 crew.
• U-880 (Kriegsmarine): World War II: The Type IX submarine was depth charged and sunk in the Atlantic Ocean (47°53′N 30°26′W by USS Frost and USS Stanton (both United States Navy).
• U-78 (Kriegsmarine): World War II: The Type VIIC submarine was shelled and sunk at Pillau, East Prussia by Soviet shore-based artillery.
• U-1235 (Kriegsmarine): World War II: The Type IXC/40 submarine was depth charged and sunk in the Atlantic Ocean (47°53′N 30°26′W) by USS Frost and USS Stanton (both United States Navy).
• No. 73 (Imperial Japanese Navy): World War II: The coastal defence vessel was torpedoed and sunk in the Pacific Ocean off Japan by USS Sunfish (United States Navy).

18 April

• Cyrus H. McCormick (United States): World War II: The Liberty ship was torpedoed and sunk in the Atlantic Ocean (48°05′N 6°28′W) by U-1107 (Kriegsmarine).
• Empire Gold (United Kingdom): World War II: Convoy HX 348: The cargo ship was torpedoed and sunk in the Atlantic Ocean (47°47′N 6°26′W) by U-1107 (Kriegsmarine).
• Filleigh (United Kingdom): World War II: Convoy TAM 118: The cargo ship was torpedoed and sunk in the English Channel off Dover, Kent by U-245 (Kriegsmarine).
• I-56 (Imperial Japanese Navy): World War II: The Type B1 submarine was sunk in the Pacific Ocean off Okinawa (26°42′N 130°38′E) by USS Collett, four other destroyers (all United States Navy) and United States Navy carrier-based aircraft.
• Karmt (Norway): World War II: Convoy TAM 118: The cargo ship was torpedoed and sunk in the English Channel off Dover (51°27′N 1°43′E) by U-245 (Kriegsmarine with the loss of four of her 39 crew. Survivors were rescued by HMT Sir Lancelot (Royal Navy).

19 April

• Kaiko Maru (Japan): World War II: The cargo ship was torpedoed and sunk in the Pacific Ocean off Japan by USS Sunfish (United States Navy).
• Nygrunn (Norway): World War II: The coaster either struck a mine, or was torpedoed and sunk in the Skaggerak off Egersund, Rogaland with the loss of seven crew.
• Taisei Maru (Japan): World War II: The cargo ship was torpedoed and sunk in the Pacific Ocean off Japan by USS Sunfish (United States Navy).
• U-251 (Kriegsmarine): World War II: The Type VIIC submarine was sunk in the Kattegat (56°37′N 11°51′E) by a rocket attack by de Havilland Mosquito aircraft of 143, 235 and 248 Squadrons, Royal Air Force with the loss of 39 of her 43 crew.
• U-879 (Kriegsmarine): World War II: The Type IX submarine was sunk in the Atlantic Ocean (42°19′N 61°45′W) by USS Buckley and USS Reuben James (both United States Navy).

20 April

• Ethel Crawford (United Kingdom): World War II: The trawler struck a mine and sank in the Firth of Clyde (55°13′N 5°14′W) with the loss of all ten crew.

22 April

• Sverre Helmersen (Norway): World War II: The Liberty ship was torpedoed and damaged in the North Sea off Ramsgate, Kent, United Kingdom by U-2326 (Kriegsmarine). She was towed to Falmouth, Cornwall, where she was declared a total loss. Scrapped in 1948.
• U-518 (Kriegsmarine): World War II: The Type IXC submarine was depth charged and sunk in the Atlantic Ocean north of the Azores, Portugal (43°26′N 38°23′W) by USS Carter and USS Neal A. Scott (both United States Navy) with the loss of all 56 crew.

23 April

• Ingerseks (Norway): World War II: The cargo ship was bombed and damaged in Risenfjord by Allied aircraft. She was declared a total loss.
• John Carver (United States): The Liberty ship was sunk by the explosion of her fuel tanks whilst under repair at Philadelphia, Pennsylvania. She was declared a constructive total loss, raised and scrapped.
• U-183 (Kriegsmarine): World War II: The Type IXC/40 submarine was torpedoed and sunk in the Java Sea (4°57′S 112°52′E) by USS Besugo (United States Navy) with the loss of 54 of her 55 crew.

24 April

• USS Frederick C. Davis (United States Navy): World War II: Operation Teardrop: The Edsall-class destroyer escort was torpedoed and sunk in the Atlantic Ocean (43°52′N 40°15′W) by U-546 (Kriegsmarine) with the loss of 115 of her 209 crew.
• U-108 (Kriegsmarine): End of World War II: The decommissioned Type IXB submarine was scuttled at Stettin, Pomerania.
• U-546 (Kriegsmarine): World War II: Operation Teardrop: The Type IXC/40 submarine was depth charged, hedgehogged and sunk in the Atlantic Ocean (43°53′N 40°07′W by USS Chatelin, USS Flaherty, USS Hayter, USS Hubbard, USS Janssen, USS Keith, USS Neunzer, USS Pillsbury and USS Varian (all Royal Navy) with the loss of 26 of her 59 crew.

25 April

• Graf Zeppelin (Kriegsmarine): World War II: The Graf Zeppelin-class aircraft carrier was scuttled while incomplete at Stettin, West Pomerania. She was raised and salvaged by the Soviet Union in 1947.
• Iglesias (Nazi Germany) World War II: The cargo ship was scuttled at Genoa, Liguria Italy. She was later raised and salvaged.
• W-41 (Imperial Japanese Navy): World War II: The minesweeper was torpedoed and sunk in the East China Sea by USS Cod (United States Navy).

27 April

• Canada Victory (United States): World War II: The Victory ship was sunk in the Pacific Ocean off Okinawa, Japan (26°23′N 127°41′E) by a Japanese kamikaze attack.

28 April

• U-56 (Kriegsmarine): World War II: The Type IIC submarine was sunk in a Royal Air Force air raid on Kiel, Schleswig-Holstein with the loss of six of her 25 crew.

29 April

• HMS Goodall (Royal Navy): World War II: Convoy RA 66: The Captain-class frigate was torpedoed and damaged in the Barents Sea by U-286 (Kriegsmarine) with the loss of 112 of her 156 crew. The ship was scuttle by HMS Anguilla (Royal Navy).
• U-286 (Kriegsmarine): World War II: The Type VIIC submarine was depth charged and sunk in the Barents Sea (69°29′N 33°37′E) by HMS Anguilla, HMS Cotton and HMS Loch Insh (all Royal Navy) with the loss of all 51 crew.
• U-307 (Kriegsmarine): World War II: The Type VIIC submarine was depth charged and sunk in the Barents Sea (69°24′N 33°44′E) by HMS Loch Insch (Royal Navy) with the loss of 37 of her 51 crew.

Unknown date

• Adler (Kriegsmarine): World War II: The training ship was sunk by Allied bombers at Kiel.
• USS LCS-15 (United States Navy): World War II: The Landing Craft Support was sunk in the Pacific Ocean off Okinawa, Japan by a Japanese kamikaze attack. Survivors were rescued by USS Van Valkenburgh (United States Navy). The attack happened in the week before 28 April.
• USS Snook (United States Navy): The Gato-class submarine was lost in the South China Sea between 8 and 20 April, cause unknown.
• U-59 (Kriegsmarine): End of World War II: The Type IIC submarine was scuttled at Kiel.
• U-246 (Kriegsmarine): World War II: The Type VIIC submarine was lost on patrol in the Irish Sea south of the Isle of Man with the loss of all 48 crew.
• U-548 (Kriegsmarine): World War II: The Type IX submarine was depth charged and sunk in the Atlantic Ocean off Cape Henry, Virginia, United States (36°34′N 74°00′W) by USS Bostwick, USS Coffman, USS Natchez and USS Thomas (DE-102) (all United States Navy). Various dates are given by different sources, 19, 29 and 30 April.

May

2 May

• Admiral Hipper (Kriegsmarine): End of World War II: The Admiral Hipper-class cruiser was scuttled at Kiel, Schleswig-Holstein.
• Rezikan Maru (Japan): World War II: The cargo ship was torpedoed and sunk in the Yellow Sea by USS Raton (United States Navy).
• Toryu Maru (Japan): World War II: The tanker was torpedoed and sunk in the Yellow Sea by USS Raton (United States Navy).
• U-8 (Kriegsmarine): End of World War II: The Type IIB submarine was scuttled at Wilhelmshaven, Lower Saxony.
• U-14 (Kriegsmarine): End of World War II: The Type IIB submarine was scuttled at Wilhelmshaven.
• U-60 (Kriegsmarine): End of World War II: The Type IIC submarine was scuttled at Wilhelmshaven.
• U-61 (Kriegsmarine): End of World War II: The Type IIC submarine was scuttled at Wilhelmshaven.
• U-62 (Kriegsmarine): End of World War II: The Type IIC submarine was scuttled at Wilhelmshaven.
• U-71 (Kriegsmarine): End of World War II: The Type VIIC submarine was scuttled at Wilhelmshaven.
• U-72 (Kriegsmarine): End of World War II: The Type VIIC submarine was scuttled at Wilhelmshaven.
• U-120 (Kriegsmarine): End of World War II: The Type IIB submarine was scuttled at Bremerhaven. The wreck was raised in 1950 and scrapped.
• U-121 (Kriegsmarine): End of World War II: The Type IIB submarine was scuttled at Bremerhaven. The wreck was raised in 1950 and scrapped.
• U-137 (Kriegsmarine): End of World War II: The Type IID submarine was scuttled at Wilhelmshaven. The wreck was later scrapped.
• U-139 (Kriegsmarine): End of World War II: The Type IID submarine was scuttled at Wilhelmshaven. The wreck was later scrapped.
• U-140 (Kriegsmarine): End of World War II: The Type IID submarine was scuttled at Wilhelmshaven. The wreck was later scrapped.
• U-141 (Kriegsmarine): End of World War II: The Type IID submarine was scuttled at Wilhelmshaven. The wreck was later scrapped.
• U-142 (Kriegsmarine): End of World War II: The Type IID submarine was scuttled at Wilhelmshaven. The wreck was later scrapped.
• U-146 (Kriegsmarine): End of World War II: The Type IID submarine was scuttled at Wilhelmshaven. The wreck was later scrapped.
• U-148 (Kriegsmarine): End of World War II: The Type IID submarine was scuttled at Wilhelmshaven. The wreck was later scrapped.
• U-151 (Kriegsmarine): End of World War II: The Type IID submarine was scuttled at Wilhelmshaven. The wreck was later scrapped.
• U-152 (Kriegsmarine): End of World War II: The Type IID submarine was scuttled at Wilhelmshaven. The wreck was later scrapped.
• U-3506 (Kriegsmarine): End of World War II: The Type XXI submarine was scuttled at Hamburg.

3 May

• Cap Arcona (Kriegsmarine): World War II: The ocean liner was sunk in the Bay of Lübeck by Royal Air Force aircraft.
• Nordland (Kriegsmarine): World War II: The training ship was scuttled at Eckernförde.
• Taifun (Kriegsmarine): World War II: The tanker was bombed and sunk off Kjelnør, Norway by Bristol Beaufighter aircraft of 236 and 254 Squadrons, Royal Air Force. She was salvaged in 1946, repaired and returned to service.
• U-48 (Kriegsmarine): End of World War II: The Type VIIB submarine was scuttled in the Bay of Lübeck.
• U-52 (Kriegsmarine): End of World War II: The Type VIIB submarine was scuttled at Kiel. The wreck was scrapped in 1946–47."U-52". Uboat. http://uboat.net/boats/u52.htm. Retrieved 14 February 2012. </ref>
• U-57 (Kriegsmarine): End of World War II: The Type IIC submarine was scuttled at Kiel, Schleswig-Holstein.
• U-58 (Kriegsmarine): End of World War II: The Type IIC submarine was scuttled at Kiel.
• U-101 (Kriegsmarine): End of World War II: The decommissioned Type VIIB submarine was scuttled at Neustadt in Holstein, Schleswig-Holstein. The wreck was later scrapped.
• USS YMS-481 (United States Navy): World War II: The auxiliary minesweeper was shelled and sunk off Cape Djoeta, Borneo by Japanese shore-based artillery. Nineteen survivors were rescued by USS Cofer (United States Navy).

4 May

• Black Watch (Kriegsmarine): World War II: Operation Judgement: The accommodation ship was bombed and sunk at Kilbotn, Troms, Norway by Grumman TBF Avenger and Grumman F4F Wildcat aircraft of 846, 853 and 882 Squadrons, Fleet Air Arm; based on HMS Trumpeter, HMS Queen and HMS Searcher (all Royal Navy) respectively.
• Bolkoburg (Germany): World War II: The cargo ship was bombed and damaged in the Baltic Sea off Fehmarn, Schleswig-Holstein by Hawker Typhoon aircraft of 193 Squadron, Royal Air Force. She was beached and burnt out.
• Empire Unity (United Kingdom): World War II: The cargo ship was torpedoed and damaged in the Atlantic Ocean (64°23′N 22°27′W) by U-979 (Kriegsmarine) and was abandoned. She was later reboarded and reached the Faroe Islands. Later repaired and returned to service.
• USS LSM(R)-190 (United States Navy): World War II: The LSM(R)-188-class Landing Ship Medium was sunk in the Pacific Ocean off Okinawa, Japan by a Japanese kamikaze aircraft attack.
• USS Luce (United States Navy): World War II: The Fletcher-class destroyer was sunk in the Pacific Ocean off the Kerama Islands by a Japanese kamikaze aircraft attack with the loss of 126 of her 312 crew.
• USS Morrison (United States Navy): World War II: The Fletcher-class destroyer was sunk in the Pacific Ocean off Oshima, Japan (27°10′N 127°58′E) by a kamikaze aircraft attack with the loss of 152 of her 273 crew.
• Senja (Germany): World War II: Operation Judgement The coaster was bombed and sunk at Kilbotn by Grumman TBF Avenger and Grumman F4F Wildcat of 846, 853 and 882 Squadrons, FAA, based on HMS Trumpeter, HMS Queen and HMS Searcher (all Royal Navy) respectively. Raised in 1947, repaired and returned to service in April 1948.
• Swakopmund (Germany): World War II: The cargo ship was bombed and sunk off Fehmarn by Hawker Typhoon aircraft of 183 Squadron, RAF.
• U-30 (Kriegsmarine): Operation Regenbogen: The Type VIIA submarine was scuttled at Flensburg, Schleswig-Holstein. The wreck was raised and scrapped in 1948.
• U-46 (Kriegsmarine): End of World War II: The Type VIIB submarine was scuttled in Kupfermühlen Bay (54°50′N 9°29′E).
• U-267 (Kriegsmarine): World War II: End of World War II: The Type VIIC submarine was scuttled in Gelting Bay. The wreck was later scrapped.
• U-711 (Kriegsmarine): World War II: Operation Judgement: The Type VIIC submarine was bombed and sunk at Kilbotn by Grumman TBF Avenger and Grumman F4F Wildcat aircraft of 846, 853 and 882 Squadrons, FAA; based on HMS Trumpeter, HMS Queen and HMS Searcher (all Royal Navy) respectively.
• Wega (Kriegsmarine): World War II: Evacuation of East Prussia: The ocean liner was bombed and damaged in the Baltic Sea off Fehmarn by Hawker Typhoon aircraft of 183 Squadron, RAF. She was set on fire and was beached at Staberhuk with the loss of one crew member. The wreck was scrapped in 1948, with the engines being reused in Haukefjell and Kollgrim (both Norway).

5 May

• U-17 (Kriegsmarine): End of World War II: The Type IIB submarine was scuttled at Wilhelmshaven, Lower Saxony.
• U-38 (Kriegsmarine): End of World War II: The Type IXA submarine was scuttled west of Wesermünde, Bremen (53°34′N 8°32′E. The wreck was scrapped in 1948.
• U-236 (Kriegsmarine): End of World War II: The Type VIIC submarine was scuttled off Schleimünde, Schleswig-Holstein.

6 May

• U-853 (Kriegsmarine): World War II: The Type IXC/40 submarine was depth charged, hedgehogged and sunk in the Atlantic Ocean off Point Judith, Rhode Island, United States (41°13′N 71°27′W) by USS Atherton and USS Moberly (both United States Navy) with the loss of all 55 crew.
• U-881 (Kriegsmarine: World War II: The Type IXC/40 submarine was depth charged and sunk in the Atlantic Ocean (43°18′N 47°44′W) by USS Farquhar (United States Navy) with the loss of all 54 crew.

7 May

• Avondale Park (United Kingdom): World War II: Convoy EN 491: The cargo ship was torpedoed and sunk in the North Sea (56°05′N 2°32′W) by U-2336 (Kriegsmarine with the loss of two of her 38 crew. She was the last Allied merchant ship to be sunk by enemy action during the war.
• Sneland I (Norway): World War II: Convoy EN 491: The cargo ship was torpedoed and sunk in the North Sea 56°09′36″N 2°31′24″W) by U-2336 (Kriegsmarine) with the loss of seven of her 29 crew. Survivors were rescued by HMT Leicester City and HMT Valse (both Royal Navy).

8 May

• Horace Binney (United States): World War II: The Liberty ship struck a mine in the North Sea off Vlissingen, Zeeland, Netherlands. She was beached at Deal, Kent, United Kingdom but broke in two, a total loss.
• U-37 (Kriegsmarine): End of World War II: The Type IXA submarine was scuttled in Sonderberg Bay (54°55′N 9°47′E). The wreck was later scrapped.

9 May

• USS Oberrender (United States Navy): World War II: The John C. Butler-class destroyer escort was damaged in the Pacific Ocean off Okinawa, Japan by a kamikaze aircraft attack with the loss of 24 of her 215 crew. She was towed to the Kerama Islands but was declared beyond repair. Her hulk was sunk as a target on 6 November.

13 May

• Steiner (Norway): The coaster struck a mine and sank in Sognefjord with the loss of one crew member.

14 May

• Haguro (Imperial Japanese Navy): World War II: Operation Dukedom: The Myōkō-class cruiser was shelled, torpedoed and sunk in the Malacca Strait by HMS Saumarez. HMS Verulam, HMS Venus, HMS Vigilant and HMS Virago (all Royal Navy) with the loss of about 900 crew. There were 320 survivors, who were rescued by Kamikaze (Imperial Japanese Navy).

16 May

• Eiju Maru (Japan): World War II: The cargo ship was torpedoed and sunk in the Yellow Sea by USS Raton (United States Navy).
• Haguro (Imperial Japanese Navy): World War II: Battle of the Malacca Strait: The Myōkō-class cruiser was torpedoed, shelled and sunk in the Malacca Strait 55 nautical miles (102 km) off Penang, Malaya.
• U-287 (Kriegsmarine): The Type VIIC submarine struck a mine and sank in the Elbe Estuary.

17 May

• Chosan Maru (Japan): World War II: The cargo ship was torpedoed and sunk in the Yellow Sea or East China Sea by USS Shad (United States Navy).

18 May

• USS Longshaw (United States Navy): World War II: The Fletcher-class destroyer ran aground off Naha, Okinawa, Japan. She was shelled and damaged by Japanese shore-based artillery and was abandoned with the loss of 86 of her 273 crew. She was later scuttled by United States Navy warships.

20 May

• U-963 (Kriegsmarine): End of World War II: The Type VIIC submarine was scuttled off Nazaré, Portugal.

25 May

• USS Barry (United States Navy): World War II: The Clemson-class destroyer was damaged in the Pacific Ocean 35 nautical miles (65 km) north west of Okinawa, Japan by a kamikaze aircraft and was abandoned without loss of crew. She was declared a constructive total loss and subsequently used as a decoy, being sunk at Kerama Retto on 21 June by a further kamikaze attack.
• USS Bates (United States Navy): World War II: The Buckley-class destroyer escort was sunk in the Pacific Ocean 2 nautical miles (3.7 km) south of Ie Shima, Okinawa by three Japanese kamikaze aircraft with the loss of 21 of her 213 crew.
• USS LSM-125 (United States Navy): World War II: The LSM-1-class Landing Ship, Medium was sunk in the Pacific Ocean off the Ryuku Islands by a Japanese kamikaze aircraft. Eleven survivors were rescued by USS Fleming (United States Navy).

SS William B. Allinson beached at Okinawa.

• William B. Allinson (United States): World War II: The Liberty ship was torpedoed and damaged in the Pacific Ocean by Japanese Aircraft. She was towed to Okinawa and beached. Declared a constructive total loss.

28 May

• USS Drexler (United States Navy): World War II: The Allen M. Sumner-class destroyer was sunk in the Pacific Ocean off Okinawa, Japan (27°06′N 127°38′E) by two Japanese kamikaze aircraft with the loss of 158 of her 336 crew.

31 May

• Hebrides (United Kingdom): The cargo ship was beached in Gunna Sound, Inner Hebrides.

Unknown date

• Edmund F. Dickens (United States): World War II: The Liberty ship struck a mine and was damaged in the Pacific Ocean. She was declared a constructive total loss.
• Samlistar (United Kingdom): The cargo ship ran aground off Quebec, Canada. Refloated and arrived at Quebec City on 31 May.
• Nymphe (Kriegsmarine): End of World War II: The flak ship ran aground north of Narvik, Norway whilst being returned to the Royal Norwegian Navy
• U-290 (Kriegsmarine): End of World War II: The Type VIIC submarine was scuttled in Kupfermühlen Bay.

June

6 June

• Empire Harry (United Kingdom): The tug ran aground at Beacon Point, Devon. She broke up, and was declared a total loss.

7 June

• Azusa Maru (Japan): World War II: The cargo ship was torpedoed and sunk in the Yellow Sea or East China Sea by USS Shad (United States Navy).

8 June

• Hakusa (Imperial Japanese Navy): World War II: The landing craft was torpedoed and sunk in the Gulf of Siam by USS Cobia (United States Navy).

10 June

• I-222 (Imperial Japanese Navy): World War II: The submarine was torpedoed and sunk in the Sea of Japan by USS Skate (United States Navy).

William D. Porter.

• USS William D. Porter (United States Navy): World War II: The Fletcher-class destroyer was sunk by a Japanese kamikaze attack using a Aichi D3A aircraft. All 273 crew were rescued by USS LCS(L)(3)-86 and USS LCS(L)(3)-122 (both United States Navy).

11 June

• Meisei Maru (Japan): World War II: The cargo ship was torpedoed and sunk in the Sea of Japan 100 nautical miles (190 km) off Chungjin, Korea (41°47′N 131°44′E) by USS Flying Fish (United States Navy).

12 June

• Keito Maru (Japan): World War II: The cargo ship was shelled and sunk in the Tsushima Strait by USS Tinosa (United States Navy).
• Kenjo Maru (Japan): World War II: The cargo ship was torpedoed and sunk in the Sea of Japan by USS Skate (United States Navy).
• Kenzyo Maru (Japan): World War II: The cargo ship was torpedoed and sunk off Kanazawa (37°08′N 136°43′E) by USS Skate (United States Navy).
• Yozan Maru (Japan): World War II: The cargo ship was torpedoed and sunk in the Sea of Japan by USS Skate (United States Navy).
• Zuiko Maru (Japan): World War II: The cargo ship was torpedoed and sunk in the Sea of Japan by USS Skate (United States Navy).

14 June

• Donau (Germany): The former Kriegsmarine auxiliary sank after an explosion.

16 June

• USS Twiggs (United States Navy): World War II: Battle of Okinawa: The Fletcher-class destroyer was sunk in the Pacific Ocean off Okinawa, Japan by a Japanese kamikaze aircraft attack with the loss of 152 of her 340 crew.

18 June

• USS Bonefish (United States Navy): World War II: The Gato-class submarine was sunk by the Imperial Japanese Navy at Toyama Wan, Honshū, Japan with the loss of all 60 crew.
• Hakuai Maru (Japan): World War II: The cargo ship was torpedoed and sunk in the Sea of Okhotsk by USS Apogon (United States Navy).
• USS YMS-50 (United States Navy): World War II: Battle of Balikpapan: The auxiliary minesweeper struck a mine and was damaged off Balikpapan, Borneo (1°18′S 116°49′E). She was scuttled by USS Denver; 23 survivors were rescued by USS Cofer (both United States Navy).

22 June

• Pierre Gibault (United States): World War II: The Liberty ship struck a mine and was damaged in the Aegean Sea off Rhodes (36°08′N 29°30′E). She was beached but declared a constructive total loss.

July

1 July

• Taiun Maru No.1 (Japan): World War II: The cargo ship was torpedoed and sunk in the China Sea or Yellow Sea by USS Haddo (United States Navy).

2 July

• Emeraude (Belgium): The cargo ship struck the submerged wreck of Empire Path (United Kingdom and sank in the English Channel, 8 nautical miles (15 km) off Ostend, West Flanders, Belgium. The wreck was dispersed in 1960.
• Empire Fal (United Kingdom): The cargo ship was scuttled in the Atlantic Ocean (58°00′09″N 11°00′00″W) with a cargo of Italian gas bombs.

4 July

• Bahia (Marinha do Brasil): The Bahia-class cruiser was accidentally sunk during gunnery practice when her own guns hit depth charges at the stern of the ship with the loss of most of her crew.

7 July

• Nantaise (United Kingdom): The naval trawler collided with Helen Crest (United Kingdom and sank in the North Sea near the Goodwin Lightship (United Kingdom) off the coast of Kent with the loss of eleven of her 25 crew. The tug Empire Henchman (United Kingdom) rescued the survivors.

10 July

• Fanny (Norway): World War II: The fishing vessel struck a mine and sank in Varangerfjord with the loss of two crew.
• HMT Kurd (Royal Navy): World War II: The naval trawler struck a mine and sank in the English Channel off The Lizard, Cornwall with the loss of all sixteen crew.

12 July

• Gibel Kebir (United Kingdom): The cargo ship sank whilst under repair at Port Said, Egypt. She was later raised and scrapped.

15 July

• Francis Preston Blair (United States): World War II: The Liberty ship ran aground on the Saumarez Reefs, Queensland, Australia (21°49′S 153°39′E) and was wrecked.
• I-351 (Imperial Japanese Navy): World War II: The I-351-class submarine was torpedoed and sunk in the South China Sea (4°30′N 110°00′E) by USS Blackfish (United States Navy).
• Walter L M Russ (United Kingdom): The cargo ship ran aground on Grassholm, Bristol Channel. Nine crew were rescued by the Angle Lifeboat.

16 July

• USS Gamble (United States Navy): End of World War II: The Wickes-class destroyer was sunk for disposal in the Pacific Ocean outside Apra Harbor, Guam.
• I-13 (United States Navy): World War II: The Type AM submarine was depth charged and sunk in the Pacific Ocean by USS Lawrence C. Taylor (United States Navy).

18 July

• Kasuga (Imperial Japanese Navy): World War II: The Kasuga-class cruiser was sunk at her mooring at Yokosuka by American aircraft.

24 July

Aoba

Amagi

• Aoba (Imperial Japanese Navy): World War II: The former Aoba-class cruiser was bombed and sunk at Kure (34°14′N 132°30′E) by American aircraft of Task Force 38. She was again bombed and further damaged on 28 July by Consolidated B-24 Liberator aircraft of the 7th Air Force, United States Army Air Force.
• Amagi (Imperial Japanese Navy): World War II: The Unryū-class aircraft carrier was bombed and sunk at Kure by American aircraft of Task Force 38. She was further bombed and damaged on 28 July, capsizing the next day. The wreck was refloated on 31 July 1946 and subsequently scrapped.
• Izumo (Imperial Japanese Navy): World War II: Bombing of Kure: The Izumo-class cruiser was bombed and sunk at Kure, Hiroshima by USN aircraft of Task Force 38.
• HMS Squirrel (Royal Navy): World War II: The Algerine-class minesweeper struck a mine and was damaged in the Andaman Sea off Phuket Island, Thailand with the loss of seven crew. She was later scuttled.
• USS Underhill (United States Navy): World War II: The Buckley-class destroyer escort was sunk in the Pacific Ocean (19°20′N 126°42′E) by a Kaiten manned torpedo with the loss of 112 of her 234 crew.

25 July

• Eian Maru (Imperial Japanese Navy): World War II: The ship was sunk in the Pacific Ocean by American aircraft.
• Esbjerg (Denmark): The passenger ship struck a mine and sank whilst on a voyage from Lübeck, Germany to Copenhagen, Denmark. All crew were rescued.
• Hoshi Maru (Japan): World War II: The cargo ship struck a mine and sank in Maizuru Bay (34°35′N 135°21′E).

26 July

• Iwate (Imperial Japanese Navy): World War II: Bombing of Kure: The Izumo-class cruiser was bombed and sunk at Kure, Hiroshima by USN aircraft of Task Force 38.

27 July

Hyūga

• Hyūga (Imperial Japanese Navy): World War II: Bombing of Kure: The Ise-class battleship was bombed and sunk at Kure, Hiroshima by aircraft based on USS Bataan, USS Bennington, USS Essex, USS Hancock, USS Monterey, USS Randolph and USS Ticonderoga (all United States Navy)

28 July

Haruna

Ōyodo

• USS Callaghan (United States Navy): World War II: The Fletcher-class destroyer was sunk in an attack by a Japanese kamikaze aircraft in the Pacific Ocean off Okinawa, Japan.
• Haruna (Imperial Japanese Navy): World War II: The Kongō-class battleship was bombed and sunk at Kure Naval Base by aircraft based on USS Shangri-La (United States Navy) with the loss of 65 of her 1,360 crew. The wreck was raised and scrapped in 1946.
• Ise (Imperial Japanese Navy): World War II: The Ise-class battleship was bombed and sunk at Ondo Seto, Hiroshima (34°15′N 132°31′E) by Vought F4U Corsair aircraft based on USS Hancock and other American aircraft.
• Moose (United Kingdom): The tug collided with Kawartha Park (Canada) and sank in the River Mersey at Birkenhead, Cheshire with the loss of all six crew.
• Ōyodo (Imperial Japanese Navy): World War II: The Ōyodo-class cruiser was bombed and damaged at Kure Naval Base by aircraft based on USS Shangri-La (United States Navy. She was towed to Etijima, Hiroshima and beached, capsizing with the loss of about 300 of her 911 crew. The wreck was raised in 1947 and scrapped in 1948.

30 July

• Hatsushimo (Imperial Japanese Navy): World War II: The Hatsuharu-class destroyer struck a mine and sank in Miyazu Bay (35°33′N 135°12′E) with the loss of seventeen of her 200 crew.
• USS Indianapolis (United States Navy): World War II: The Portland-class cruiser was torpedoed and sunk in the Philippine Sea by I-58 (Imperial Japanese Navy) with the loss of 879 of her 1,196 crew.

Unknown date

• USS Bancroft (United States Navy): The Clemson-class destroyer collided with another vessel and sank in the Atlantic Ocean off Cape Cod, Massachusetts.

August

3 August

• Blush Rose (United Kingdom): The coaster collided with Glaucus (United Kingdom) off Holyhead, Anglesey and sank. All fifteen crew were rescued by Glaucus.

4 August

• William J. Palmer (United States): World War II: The Liberty ship struck a mine and sank in the Adriatic Sea off Trieste, Friuli-Venezia Gallia, Italy and sank. The wreck was raised in 1949 and scrapped.

5 August

• Kotohirasan Maru (Japan): World War II: The cargo ship was torpedoed and sunk in the Sea of Japan by USS Pogy (United States Navy).

6 August

• USS Bullhead (United States Navy): World War II: The Balao-class submarine was sunk off Bali, Indonesia by depth charges dropped by a Mitsubishi Ki-51 aircraft of the Japanese Air Force. All hands were lost. She was the last American warship lost during the war.
• Lucien B. Maxwell (United States): The Liberty ship ran aground in the River Seine, France, broke in two and sank, a total loss.

7 August

• Argos Hill (United Kingdom: The cargo ship caught fire off St. John's, Newfoundland. She was towed into Bay Bulls on 13 August, declared a constructive total loss.

8 August

• Rashin Maru (Japan): World War II: The cargo liner was torpedoed and sunk in the Sea of Japan by USS Pargo (United States Navy).

15 August

• Bernlef (Germany): The cargo ship, laden with bombs and mines, exploded and sank in the North Sea (56°10′01″N 17°07′01″E( killing all on board.

17 August

• Gustaf Lagerbjelke (Sweden): The cargo ship ran aground off Strängnäs. She sank on 19 August.

31 August

• Charles C. Randleman (United States): The Liberty ship ran aground on the Apo Reef, Philippines and was wrecked.

Unknown date

• Basil (United Kingdom): The cargo ship ran aground in the Amazon. Refloated, arrived at Pará, Brazil on 19 August.
• USS Bullhead (United States Navy): World War II: The Balao-class submarine was sunk in the Java Sea by Japanese forces sometime between 6 and 13 August with the loss of all 81 crew.
• Peter White (United States): World War II: The Liberty ship struck a mine and was damaged in the Philippine Sea off Leyte, Philippines (14°25′N 123°45′E). She was declared a constructive total loss.
• Stanforth (United Kingdom): The cargo ship was reported to have come ashore and be in a sinking condition.

September

10 September

• Joseph Carrigan (United States): World War II: The Liberty ship struck a mine and was damaged in the South China Sea off Labuan, Malaya. She arrived at Manila, Philippines where she was declared a constructive total loss.

12 September

• Marianne Toft (Denmark): The cargo ship collided with Cornelius Ford (United States and sank in the Irish Sea off the Isle of Man with the loss of ten of her twenty crew.

16 September

• Richard V. Oulahan (United States): The Liberty ship came ashore in a typhoon at Okinawa, Japan and was declared a constructive total loss.

17 September

• John A. Rawlins (United States): The Liberty ship was driven ashore in a typhoon at Okinawa, Japan, a total loss.

19 September

• Mandal (Norway): The whaler was wrecked off Farsund, Vest-Agder.

29 September

• Empire Patrol (United Kingdom: The cargo ship caught fire in the Mediterranean Sea 38 nautical miles (70 km) off Port Said, Egypt and was abandone by her crew and the 496 refugees she was carrying. She was taken in tow but capsized and sank two days later when still 18 nautical miles (33 km) off Port Said.
• USS Roche (United States Navy): The Cannon-class destroyer escort struck a mine and was damaged in the Pacific Ocean with the loss of three of her 216 crew. She was subsequently declared a constructive total loss and sunk off Yokosuka, Japan on 11 March 1946.

October

6 October

• Chales M. Hall (United States): World War II: The Liberty ship struck a submerged object and was damaged in the River Seine, France. She was subsequently withdrawn from service and laid up in the James River, Virginia, United States.

7 October

• Juta (United Kingdom): The cargo ship struck a rock and sank off the Welsh coast. All twenty crew were rescued by a naval trawler.
• Westbank Park (Canada): The Park ship ran aground in Magdalena Bay, Baja California Sur, Mexico and was wrecked.

8 October

• Kiri Marti (Japan): The cargo ship ran aground in the Pacific Ocean on Miyake Shima. Survivors were rescued by USS Colahan (United States Navy.

9 October

• Brockholst Livingston (United States): World War II: The Liberty ship was driven ashore in a typhoon at Okinawa, Japan. She was declared a total loss.
• USS Dorsey (United States Navy): The Wickes-class destroyer was grounded by a typhoon off Okinawa. She was destroyed on 1 January 1946.
• USS Greene (United States Navy): The Clemsom-class destroyer was drived ashore in a Typhoon at Kutaka, Japan and was declared a constructive total loss.
• Harrington Emerson (United States): The Liberty ship was driven ashore in a typhoon at Okinawa and was wrecked.
• Jack Singer (United States): World War II: The Liberty ship was driven ashore in a typhoon at Okinawa. She was declared a constructive total loss.
• USS Silica (United States Navy: The Trefoil-class concrete barge was grounded by a typhoon on Okinawa. She was struck from the Naval Vessel Register on 3 January 1946.
• USS SC-632 (United States Navy): The SC-497-class submarine chaser foundered during a typhoon offshore of Okinawa. The sunken hulk was destroyed on 9 March 1948.
• USS SC-636 (United States Navy): The SC-497-class submarine chaser foundered during a typhoon offshore of Okinawa.
• USS Southard (United States Navy): The Clemson-class destroyer was driven aground of a reef off Tsuken Shima in a typhoon and was declared a total loss.

12 October 2011

• HMT Loch Eriboll (Royal Navy): The naval trawler collided off Start Point, Devon with Sidney Sherman (United States) and sank. The crew were rescued.

16 October

• Takliwa (United Kingdom): The cargo liner ran aground and then caught fire at Indira Point, Great Nicobar, Indonesia. All 1,083 on board were rescued by HMS Sainfoin (Royal Navy). The ship later broke up, a total loss.

17 October

• Joshua W. Alexander (United States): The Liberty ship was wrecked at Graves, Massachusetts.

22 October

• Kronprinsen (Norway): The cargo ship ran aground at Kirkwall, Orkney Islands, United Kingdom. She was later refloated and returned to service.

24 October

• Charles C. Glover (United States): The Liberty ship ran aground in the Loire. She was refloated but declared a total loss.

25 October

• Danegarth (United Kingdom): The tug collided with a floating lock gate in the Bristol Channel and sank with the loss of one crew member.

26 October

• HMS Saltburn (Royal Navy): The Hunt class minesweeper sank in the Solent off Horse Sand Fort.
• Swarthy (United Kingdom): The tug sank in the Solent off Horse Sand Fort whilst attempting to assist HMS Saltburn (Royal Navy).

November

1 November

• Empire Cormorant (United Kingdom): The cargo ship was scuttled in the Bay of Biscay, France (55°30′N 11°00′W) with cargo of chemical ammunition.

8 November

• Hai Chu (Republic of China): The ship struck a mine in the Pearl River at Bocca Tigris and sank with the loss of 500 lives.
• USS Hogan (United States Navy): The Wickes-class destroyer) was bombed and sunk as a target in the Pacific Ocean off San Diego, California.

10 November

• Abbot L. Mills (United States): World War II: The Liberty ship struck a mine and was damaged at Dubrovnik, Yugoslavia. She was declared a constructive total loss but was sold, repaired and returned to service.
• HMCS Assiniboine (Royal Canadian Navy): The C-class destroyer ran aground at East Point, Prince Edward Island (46°28′30″N 61°58′00″W) when her tow parted whilst she was on the way to be broken up.

12 November

• William Hume (United States): The Liberty ship struck a mine and was damaged in the Adriatic Sea off Istria, Yugoslavia, She was taken in tow but sank at 45°36′N 14°41′E.

17 November

• Edith Howaldt (Germany): The cargo ship was scuttled in the Skagerrak with a cargo of chemical ammunition.

20 November

• Ingénieur Général Haarbleicher (France): The cargo ship ran aground in fog at Stromboli, Italy. She later broke in two in a storm. Declared a total loss. She was scrapped in situ in 1947.

29 November

• U-298 (Kriegsmarine): Operation Deadlight: The Type VIIC/41 submarine was scuttled in the Atlantic Ocean (55°35′N 7°54′W).

30 November

• U-170 (Kriegsmarine): Operation Deadlight: The Type IXC/40 submarine was scuttled in the Atlantic Ocean (55°44′N 7°53′W).
• U-281 (Kriegsmarine): Operation Deadlight: The Type VIIC submarine was scuttled in the Atlantic Ocean (55°50′N 10°05′W).
• U.S.O. (United States): The Liberty ship ran aground on the Goodwin Sands, Kent, United Kingdom. Refloated the next day.

December

4 December

• U-218 (Kriegsmarine): Operation Deadlight: The Type VIID submarine was scuttled in the Atlantic Ocean 8.9 nautical miles (16.5 km) north of Inishtrahull Island, County Donegal, Ireland (approximately 55°28′N 7°18′W).
• U-299 (Kriegsmarine): Operation Deadlight: The Type VIIC/41 submarine was scuttled in the Atlantic OCean (55°38′N 7°54′W).

7 December

• U-245 (Kriegsmarine): Operation Deadlight: The Type VIIC submarine was scuttled in the Atlantic Ocean (55°25′N 6°19′W).

10 December

• T. A. Johnston (United States): The Liberty ship ran aground on Egmont Point, Dorset, United Kingdom. Refloated on 13 December.
• William C. Ralston (United States): World War II: The Liberty ship was driven ashore in a typhoon at Okinawa, Japan and was declared a constructive total loss.

11 December

• Kosin Maru (Japan): The cargo ship was driven ashore at Kawasaki. She was declared a total loss.

13 December

• Empire Tigaven (United Kingdom): The coastal tanker collided off Flamborough Head, Yorkshire with Cormont (unknown flag) and was abandoned. All fourteen crew were rescued by the Flamborough lifeboat.
• N 86 (Royal Navy): Operation Deadlight: The Type VIIC submarine was scuttled in the Atlantic Ocean (56°10′N 10°05′W).
• U-255 (Kriegsmarine): Operation Deadlight: The Type VIIC submarine was scuttled in the Atlantic Ocean (55°50′N 10°05′W).
• U-293 (Kriegsmarine): Operation Deadlight: The Type VIIC/41 submarine was scuttled in the Atlanti Ocean (55°50′N 10°05′W).
• U-295 (Kriegsmarine): Operation Deadlight: The Type VIIC/41 submarine was scuttled in the Atlanti Ocean (56°14′N 10°37′W).

18 December

• Empire Rhodes (United Kingdom): The cargo ship caught fire at Gdynia, Poland and was scuttled to put out the fire in her cargo of jute. She burnt until 3 January 1946. Later refloated and sold to be scuttled but was repaired and returned to service in 1947 as Culter.

19 December

• Nathaniel Bacon (United States): The Liberty ship struck a mine in the Tyrrhenian Sea (42°23′N 26°30′E) and was beached at Civitaveccia, Lazio, Italy. She was declared a constructive total loss. The bow section was scrapped in situ in 1946. The stern section was sold in 1950 and joined to the bow section of Bert Williams (Italy, the new ship being named Boccadasse.
• Terborch (Netherlands): The cargo ship ran aground on the Goodwin Sands, Kent, United Kingdom. She was later refloated.

20 December

• U-291 (Kriegsmarine): Operation Deadlight: The Type VIIC submarine was scuttled in the Atlantic Ocean (55°50′N 9°08′W).

21 December

• U-149 (Kriegsmarine): Operation Deadlight: The Type IID submarine was scuttled in the Atlantic Ocean (55°40′N 8°00′W).
• U-150 (Kriegsmarine): Operation Deadlight: The Type IID submarine was scuttled in the Atlantic Ocean (56°04′N 9°35′W) by HMS Onslaught and HMS Powey (both Royal Navy).
• U-155 (Kriegsmarine): Operation Deadlight: The Type IXC submarine was scuttled in the Atlantic Ocean (55°35′N 7°39′W).

22 December

• U-143 (Kriegsmarine): Operation Deadlight: The TypeIID submarine was scuttled in the Atlantic Ocean (55°58′N 9°35′W).
• U-145 (Kriegsmarine): Operation Deadlight: The TypeIID submarine was scuttled in the Atlantic Ocean (55°47′N 9°56′W).

26 December

• Duchess of Hamilton (United Kingdom): The passenger ship ran aground in Loch Ryan. Refloated after fifteen minutes with damaged bows

27 December

• Empire Tigawa (United Kingdom): The coastal tanker ran aground at Bolsax, Kattegat, Denmark. She was refloated and sailed to Kalundborg. Declared a constructive total loss.

31 December

• R. F. Peckham (United States): World War II: The Liberty ship collided with Jesse Cottrell (United States). She was towed to Gibraltar, where she was declared a constructive total loss.
• R. S. Wilson (United States): World War II: The Liberty ship ran aground at Boston, Massachusetts. She was declared a constructive total loss.
• U-294 (Kriegsmarine): Operation Deadlight: The Type VIIC/41 submarine was scuttled in the Atlantic Ocean (55°44′N 8°40′W).

Unknown date

• Elbing (Nazi Germany): World War II: The cargo ship was damaged by artillery shelling and beached at Schweinesand. She was later repaired and returned to service.
• Gutzon Borglum (United States): The Liberty ship was damaged in a typhoon. She was refloated but collided with a United States Navy tug and was declared a constructive total loss.
• Taruyasu Maru (Imperial Japanese Navy): World War II: The cargo liner was either struck by a mine or bombed and sunk by United States Navy aircraft off Japan. Date was either 25 June or 25 July. Later salvaged by the British and returned to service as Empire Evenlode.
• W-34 (Imperial Japanese Navy): World War II: The minesweeper was torpedoed and sunk in the Java Sea by USS Chub (United States Navy) sometime between 18 April and 14 May.
• W. P. Few (United States): World War II: The Liberty ship became stranded and was declared a constructive total loss.

See also

• List of World War II ships
• List of shipwrecks