List of shipwrecks in January 1944

The list of shipwrecks in January 1944 includes ships sunk, foundered, grounded, or otherwise lost during January 1944.

1 January

 * SS Hecksee (🇩🇪 Germany): World War II: The cargo ship struck a mine and sank off Anholt, Denmark.
 * SS Nagoya Maru (🇯🇵 Japan): World War II: The cargo ship was torpedoed and sunk in the Pacific Ocean by USS Herring (SS-233).
 * SS Okuyo Maru : World War II: The converted Gunboat was torpedoed and sunk in Ambon Bay, Java, Dutch East Indies by USS Ray (SS-271).
 * SS Rio Grande (1939) (🇩🇪 Germany): World War II: The cargo ship was intercepted in the Atlantic Ocean by USS Jouett (DD-396) and USS Omaha (CL-4) (both ). She was abandoned by her crew and then shelled and sunk.

2 January

 * SS Albert Gallatin (🇺🇸 United States): World War II: The Liberty ship was torpedoed and sunk in the Pacific Ocean (21.35°N, -59.96667°W) by JAPANESE SUBMARINE I-26 . Seventy-two survivors were rescued by MV Britannia (1939) (🇳🇴 Norway).

3 January

 * SS Bokuei Maru (🇯🇵 Japan): World War II: The tanker was torpedoed and sunk in the South China Sea by USS Kingfish (SS-234).
 * SS Ruyei Maru (🇯🇵 Japan): World War II: The tanker was torpedoed and sunk in the South China Sea by USS Kingfish (SS-234).
 * SS Saisho Maru (🇯🇵 Japan): World War II: The cargo ship was torpedoed and sunk in the Pacific Ocean off Hokkaido by USS Tautog (SS-199).
 * USS Turner (DD-648) : The Gleaves-class destroyer suffered a series of onboard explosions, capsized and sank off the Ambrose Light, New York with the loss of 138 of her 256 crew.
 * MV Weserland (1922) (🇩🇪 Germany): World War II: The cargo ship was shelled and sunk in the South Atlantic by USS Somers (DD-381).

4 January

 * SOVIET SUBMARINE M-36 : World War II: The M-class submarine sank in the Black Sea off the coast of Georgia during trial run.
 * USS PT-145 (PT-145) : World War II: The PT Boat grounded and then was scuttled off Mindiri, New Guinea (-5.56667°N, 146.18333°W).
 * MV Rio Grande (🇩🇪 Germany): World War II: The cargo ship was scuttled by her crew in the South Atlantic. Her demise was hastened by USS Jouett (DD-396) and USS Omaha (CL-4) (both ).
 * SS Hakko Maru (🇯🇵 Japan): World War II: The tanker was torpedoed and sunk in the South China Sea by USS Bluefish (SS-222).
 * SS Usa Maru (🇯🇵 Japan): World War II: The cargo ship was torpedoed and sunk in the Pacific Ocean off Hokkaido by USS Tautog (SS-199).

5 January
For the sinking of Empire Housman on this day, see the entry for 31 December 1943
 * MV Burgenland (🇩🇪 Germany): World War II: The cargo ship was scuttled by her crew in the South Atlantic. Her demise was hastened by USS Jouett (DD-396) and USS Omaha (CL-4) (both ).
 * SS Kiyo Maru (🇯🇵 Japan): World War II: The tanker was torpedoed and sunk in the South China Sea by USS Rasher (SS-269).

6 January

 * SS Robert Erskine (🇺🇸 United States): The Liberty ship was wrecked in a gale at Bizerta, Algeria. She was a total loss.
 * USS St. Augustine (PG-54) : The gunboat was in collision with SS Camas Meadows (🇺🇸 United States in the Atlantic Ocean off Cape May, New Jersey and sank with the loss of 115 of her 145 crew.
 * HMT Wallasea (T 345) : World War II: The naval trawler was torpedoed and sunk in the English Channel off Mounts Bay, Cornwall by a Kriegsmarine schnellboot.
 * SS William S. Rosecrans (🇺🇸 United States): World War II: The Liberty ship struck a mine and was damaged in the Gulf of Salerno (40.16667°N, 14.25°W). She was scuttled by a Royal Navy ship.

7 January

 * SS Fushimi Maru (🇯🇵 Japan): World War II: The tanker was torpedoed and sunk in the South China Sea by USS Kingfish (SS-234).
 * Bernhard von Tschirschky : World War II: The Krischan-class seaplane tender was bombed and sunk at Kiel, Schleswig-Holstein by Royal Air Force aircraft.
 * Krischan : World War II: The Krischan-class seaplane tender was sunk at Kiel by Royal Air Force aircraft.
 * SS Natal (1921) (🇩🇪 Germany): World War II: The cargo ship struck a mine and sank off Altafjord, Norway.
 * HMS Tweed (K250) : World War II: The River-class frigate was torpedoed and sunk in the Atlantic Ocean (48.3°N, -21.31667°W) by GS U-305 with the loss of 83 of her 127 crew.

8 January

 * GS U-426 : World War II: The Type VIIC submarine was depth charged and sunk in the Bay of Biscay west of Nantes, Loire-Atlantique, France (46.78333°N, -10.7°W) by a Short Sunderland aircraft of 10 Squadron, Royal Australian Air Force with the loss of all 51 crew.
 * GS U-757 : World War II: The Type VIIC submarine was depth charged and sunk in the Atlantic Ocean (50.55°N, -18.05°W) by HMS Bayntun (K310) and HMCS Camrose (K154)  with the loss of all 49 crew.

9 January

 * GS U-81 (1941) : World War II: The Type VIIC submarine was bombed and sunk at Pula, Yugoslavia by American aircraft with the loss of two crew. She was raised on 22 April 1944 and scrapped.

10 January

 * SS Ocean Hunter (🇬🇧 United Kingdom): World War II: The Ocean ship was torpedoed and sunk in the Mediterranean Sea (36.11667°N, -0.18333°W) by Luftwaffe aircraft.
 * SS Yamabiko Maru (🇯🇵 Japan): World War II: The cargo ship was torpedoed and sunk in the Pacific Ocean off the Bungo Strait by USS Steelhead (SS-280).

11 January

 * SS Erie Maru (🇯🇵 Japan): World War II: The cargo ship was torpedoed and sunk in the Pacific Ocean off Japan by USS Sturgeon (SS-187).
 * JAPANESE CRUISER Kuma : World War II: The light cruiser was torpedoed and sunk in the Indian Ocean off Penang by HMS Tally-Ho (P317).
 * SS Joseph Smith (🇺🇸 United States): The Liberty ship started to break in two in the Atlantic Ocean (44.5°N, -43.16667°W) and was abandoned. She was scuttled by a Royal Navy ship.
 * SS Selma (1924) (🇩🇪 Germany): World War II: The cargo ship was destroyed in an explosion in Oslo, Norway. The same ship had been involved in the December 1943 Filipstad explosion.

12 January

 * SS Choko Maru (🇯🇵 Japan): World War II: The cargo ship was torpedoed and sunk in the Bismarck Sea by USS Albacore (SS-218).

13 January

 * JAPANESE TRANSPORT SHIP Haguro Maru : World War II: The Transport was bombed and sunk by a 5th Air Force B-24 35 miles northwest of New Hanover Island (2.71667°N, 149.41667°W).
 * GS U-231 : World War II: The Type VIIC submarine was bombed and sunk in the Atlantic Ocean north east of the Azores, Portugal (44.25°N, -20.63333°W) by a Vickers Wellington aircraft of 172 Squadron. Royal Air Force with the loss of seven of her 50 crew.

14 January

 * HMS Adherent (W108) : World War II: The Assurance-class Rescue Tug foundered in the North Atlantic.
 * SS Entrerios (1923) (🇩🇪 Germany): World War II: The cargo ship was struck by an air-dropped torpedo and sunk off Farsund, Norway.
 * JAPANESE AUXILIARY FLEET OILER Kenyo Maru : World War II: The Itsukushima-class fleet oiler was torpedoed and sunk in the Bismarck Sea(5.38333°N, 141.53333°W)  by USS Guardfish (SS-217) . 3 crewmen lost.
 * JAPANESE DESTROYER Sazanami : World War II: The Fubuki-class destroyer was torpedoed and sunk in the Pacific Ocean 300 nmi south east of Yap, Caroline Islands (5.25°N, 141.25°W) by USS Albacore (SS-218) with the loss of 153 of her 212 crew. Survivors were rescued by JAPANESE DESTROYER Akebono.
 * JAPANESE AUXILIARY FLEET OILER Nippon Maru : World War II: The Tatekawa-class fleet oiler was torpedoed and sunk in the Bismarck Sea(5.03333°N, 140.83333°W)  by USS Scamp (SS-277) . 16 crewmen and 27 Special Naval Landing Force troops lost.
 * SS Yamakuni Maru (🇯🇵 Japan): World War II: The cargo liner was torpedoed and sunk in Tokyo Bay by USS Swordfish (SS-193).
 * SS Wittekind (1906) (🇩🇪 Germany): World War II: The cargo ship was bombed and sunk by Royal Air Force aircraft off Lista, Norway.

15 January

 * SS Tatsuno Maru (🇯🇵 Japan): World War II: The cargo ship was torpedoed and sunk in the Luzon Strait by USS Thresher (SS-200).
 * SS Toho Maru (🇯🇵 Japan): World War II: The tanker was torpedoed and sunk in the Luzon Strait by USS Thresher (SS-200).
 * SS Yamatsuru Maru (🇯🇵 Japan): World War II: The cargo ship was torpedoed and sunk in the East China Sea by USS Seawolf (SS-197).

16 January

 * SS Delhi Maru (🇯🇵 Japan): World War II: The cargo ship was torpedoed and sunk in Tokyo Bay by USS Swordfish (SS-193).
 * SS Denmark Maru (🇯🇵 Japan: World War II: The cargo ship was torpedoed and sunk in the East China Sea by USS Whale (SS-239).
 * JAPANESE SUBMARINE I-181 : World War II: The was engaged in a running battle with a US Navy Destroyer and PT Boat in the Vitiaz Strait. She ended up grounded and wrecked on Gneisenau Point,Kelanoa Harbor,Gali.
 * HMS LCT-1029 (LCT-1029) : World War II: The Mk4-class Landing Craft, Tank was sunk by a mine off Skegness.
 * USS Macaw (ASR-11) : World War II: The Chanticleer-class Submarine Rescue Ship ran aground on a reef at Midway Island . On 12 February 1944 she slips off the reef and sinks with the loss of her Commanding Officer and 4 crewmembers.
 * SS Nikko Maru (🇯🇵 Japan): World War II: The coaster was torpedoed and sunk in the Pacific Ocean by USS Seahorse (SS-304).
 * SS Sumner I. Kimball (🇺🇸 United States): World War II: Convoy ON 210: The Liberty ship straggled behind the convoy. She was torpedoed and sunk in the Atlantic Ocean (52.58333°N, -35°W) by GS U-960 ( with the loss of all 69 crew.
 * GS U-544 : World War II: The Type IXC/40 submarine was sunk in the Atlantic Ocean by Grumman TBM Avenger aircraft based on USS Guadalcanal (CVE-60) with the loss of all 57 crew.
 * SS Vaijan Kutur'e ( Soviet Union): World War II: The tanker was torpedoed and sunk in the Black Sea (42.35°N, 41.51667°W by GS U-20 (1936) with the loss of four of her 64 crew. Survivors were rescued by Soviet Navy minesweepers and patrol boats. The wreck was raised on 6 October 1945, repaired and returned to service in 1954.

17 January

 * JAPANESE REPAIR SHIP Hakka Maru : World War II: The Hakka Maru-class Repair ship was torpedoed and sunk at Rabaul by US Navy TBF Avengers. 25 crewmen lost.
 * SOVIET SUBMARINE L-23 : World War II: The Leninets-class submarine was sunk in the Black Sea north west of Cape Torchakut, Crimea by German Aux. submarine chaserGS UJ-106.
 * NB-12 Skorpion : World War II: The boat was rammed and sunk in Vestre Byfjord, Bergen, Norway by SS Oldenburg (🇩🇪 Germany).
 * GS U-305 : World War II: The Type VIIC submarine was depth charged and sunk in the Atlantic Ocean (49.65°N, -20.16667°W) by HMS Glenarm (K258) and HMS Wanderer (D74) (both ) with the loss of all 51 crew.
 * GS U-377 : World War II: The Type VIIC submarine was depth charged and sunk in the Atlantic Ocean (49.65°N, -20.16667°W) by HMS Glenarm (K258) and HMS Wanderer (D74) (both ) with the loss of all 52 crew.

18 January

 * SS Nanyu Maru No. 1 (🇯🇵 Japan): World War II: The tanker was bombed and sunk at Jaluit by US Army A-24 Banshees and P-40s.
 * SS Yoshida Maru (🇯🇵 Japan): World War II: The tanker was torpedoed and sunk 140 miles west southwest of Marcus Island by USS Flasher (SS-249).

19 January

 * GS U-641 : World War II: The Type VIIC submarine was depth charged and sunk in the Atlantic Ocean (50.41667°N, -18.81667°W) by HMS Violet (K35) with the loss of all 50 crew.

20 January

 * SS Emsland (🇩🇪 Germany): World War II: The cargo ship was struck by an air-dropped torpedo and beached at Stad, Norway. The beached ship was torpedoed by a submarine on 5 February 1944 and bombed by aircraft on 11 February 1944.
 * SS Fort Buckingham (🇬🇧 United Kingdom): World War II: The Fort ship was torpedoed and sunk in the Indian Ocean (8.31667°N, 66.66667°W) by GS U-188 with the loss of 38 of the 89 people on board. Survivors were rescued by MV Kongsdal (1937), MV Ora (1937) (both 🇳🇴 Norway) and SS Moorsby (🇬🇧 United Kingdom).
 * SS Koyu Maru (🇯🇵 Japan): World War II: The cargo ship was torpedoed and sunk in the Pacific Ocean off Palau by USS Gar (SS-206).
 * GERMAN MINELAYER Skagerak I : World War II: The minelayer was torpedoed and sunk west of Svåholmen (58.33°N, 6.01833°W) by aircraft of 489 Squadron, Royal New Zealand Air Force with the loss of seven crew.
 * GS U-263 : The Type VIIC submarine sank in the Bay of Biscay (46.1°N, -1.5°W during a diving exercise. All 51 crew were lost.

21 January

 * SS Ikoma Maru (🇯🇵 Japan): World War II: The cargo liner was torpedoed and sunk in the Pacific Ocean by USS Seahorse (SS-304).
 * SS Yasukuni Maru (🇯🇵 Japan): World War II: The cargo ship was torpedoed and sunk in the Pacific Ocean by USS Seahorse (SS-304).

22 January

 * JAPANESE AUXILIARY SUBMARINE CHASER CHa-40 : World War II: The auxiliary submarine chaser was bombed and sunk by US Army B-25s and P-38s off Lorengau Harbor, Manus (-1.83333°N, 147.33333°W).
 * SS Koshin Maru (🇯🇵 Japan): World War II: The cargo ship was torpedoed and sunk in the Flores Sea by USS Tinosa (SS-283).
 * USS LCI(L)-20 (LCI(L)-200) : World War II: The Landing Craft Infantry - Large was bombed and sunk off Anzio.
 * USS LCI(L)-32 (LCI(L)-200) : World War II: The Landing Craft Infantry - Large was bombed and sunk off Anzio.
 * USS Portent (AM-106) : World War II: Operation Shingle: The Auk-class minesweeper struck a mine and sank in the Mediterranean Sea off Nettuno, Lazio, Italy (41.4°N, 12.73333°W).
 * JAPANESE SUBMARINE Ro-37 : World War II: The Ro-35-class submarine was sunk in the Pacific Ocean off the Santa Cruz Islands (-11.78333°N, 164.28333°W) by USS Buchanan (DD-484).
 * SS Seinan Maru (🇯🇵 Japan): World War II: The cargo ship was torpedoed and sunk in the Flores Sea by USS Tinosa (SS-283).

23 January

 * HMS Janus (F53) : World War II: The J-class destroyer was sunk in the Mediterranean Sea off Anzio, Lazio Italy by a Fritz X glide bomb.
 * SS Magane Maru (🇯🇵 Japan): World War II: The cargo ship was torpedoed and sunk in the Pacific Ocean off the Bonin Islands by USS Snook (SS-279).
 * SS Taian Maru (🇯🇵 Japan): World War II: The cargo ship was torpedoed and sunk in the Pacific Ocean off Palau by USS Gar (SS-206).

24 January

 * SS Chosen Maru (🇯🇵 Japan: World War II: The cargo ship was torpedoed and sunk in the Pacific Ocean off Japan by USS Sturgeon (SS-187).
 * USS LCT-185 (LCT-185) : World War II: The LCT Mk 5-class Landing Craft, Tank foundered in a storm and sank off Bizerta, Tunesia.
 * JAPANESE AIRCRAFT TRANSPORT Lyons Maru : World War II: The Aircraft Transport was torpedoed and sunk at Rabaul  New Britain in shallow water, coming to rest upright with superstructure above water, by U.S. Marine Corps. TBFs.
 * SS St David (1932) (🇬🇧 United Kingdom): World War II: The hospital ship was bombed and sunk in the Mediterranean Sea off Anzio, Lazio, Italy.
 * SS Samuel Dexter (🇺🇸 United States): The Liberty ship started to break up in the Atlantic Ocean (56.31667°N, -11.71667°W) and was abandoned by her crew. She came ashore at Barra, Outer Hebrides, United Kingdom and broke in two, a total loss.

25 January

 * SS Andrew G. Curtin (🇺🇸 United States): World War II: The Liberty ship was torpedoed and sunk in the Barents Sea (73.33333°N, 23.5°W) by GS U-716.
 * SS Fort La Maune (🇬🇧 United Kingdom): World War II: The Fort ship was torpedoed and sunk in the Indian Ocean (13.06667°N, 56.5°W) by GS U-188.
 * MV Mil : World War II: The tanker struck a mine and sank in Varangerfjord, Finnmark, Norway with the loss of six crew.
 * SS Penelope Barker (🇺🇸 United States): World War II: Convoy JW 56A: The Liberty ship was torpedoed and sunk in the Barents Sea (73.36667°N, 22.5°W) by GS U-278 with the loss of sixteen of her 72 crew. Survivors were rescued by HMS Savage (G20).
 * JAPANESE DESTROYER Suzukaze : World War II: The Hatsuharu-class destroyer was torpedoed and sunk in the Pacific Ocean 127 nmi north west of Ponape, South Pacific Mandate by USS Skipjack (SS-184).
 * SS Walter Camp (🇺🇸 United States): World War II: The Liberty ship was torpedoed and sunk in the Indian Ocean (10°N, 71.81667°W) by GS U-532.

26 January

 * SS Andrew G. Curtin (🇺🇸 United States): World War II: Convoy JW 56A: The Liberty ship was torpedoed and sunk in the Barents Sea (73.36667°N, 24.25°W) by GS U-716 with the loss of three of her 71 crew. Survivors were rescued by HMS Inconstant (H49).
 * SS Fort Bellingham (🇬🇧 United Kingdom): World War II: Convoy JW 56A: The Fort ship straggled behind the convoy. She was torpedoed and damaged in the Barents Sea (73.75°N, 24.8°W) by GS U-360 with the loss of 36 of her 73 crew. Survivors were rescued by (HMS Offa (G29) . Two crew members were taken on board U-360 as prisoners of war. Fort Bellingham was later torpedoed and sunk (73.41667°N, 25.16667°W) by GS U-957.
 * USS LCI-32 (LCI-32) : World War II: The LCI-1-class Landing Craft Infantry was mined and sank off Anzio while going to the assistance of LST-422. 30 lost.
 * HMS LST-411 (LST-411) : World War II: The Mk2-class landing ship, tank was sunk by a mine off Bastia Sardinia.
 * HMS LST-422 (LST-422) : World War II: The Mk2-class landing ship, tank was sunk by a mine off Anzio with 454 US and 29 British lost
 * SS Okitsu Maru : World War II: The Transport was torpedoed and sunk in the Pacific Ocean 146 miles north of Ponape (9.4°N, 157.75°W) by USS Skipjack (SS-184) . 169 Navy passengers and 7 crewmen were lost.
 * USS PT-110 (PT-110) : World War II: The ELCO 80' -class PT Boat was sunk by the detonation of a depth charge following a collision with USS PT-114 (PT-114) : in Abling Harbor New Britain Island(-6.28333°N, 150.15°W).
 * USS PTC-38 : World War II: The torpedo boat was being carried as deck cargo on SS Andrew G. Curtin (🇺🇸 United States). She floated free when that ship was torpedoed and sunk by GS U-715 ( and was later shelled and sunk by GS U-957.
 * USS PTC-39 : World War II: The torpedo boat was being carried as deck cargo on SS Andrew G. Curtin (🇺🇸 United States) and was lost when that ship was torpedoed and sunk by GS U-715.
 * SS Samouri (🇬🇧 United Kingdom): World War II: The Liberty ship was torpedoed and sunk in the Gulf of Aden east north east of Socotra, South Yemen (13.21667°N, 55.93333°W) by GS U-188 . All 49 crew were rescued by SS Shahzada (🇬🇧 United Kingdom).
 * SS Surada (🇬🇧 United Kingdom): World War II: The passenger ship was torpedoed and sunk in the Gulf of Aden 40 nmi east north east of Socotra (13°N, 55.25°W) by GS U-188 . All 109 people on board were rescued by MV Darro (🇬🇧 United Kingdom).

27 January

 * SS Empire Manor (🇬🇧 United Kingdom): World War II: Convoy HX 276: The cargo ship collided in the Atlantic Ocean with SS Edward Kavanagh (🇺🇸 United States) and was holed. She was taken in tow but a fire developed the next day when seawater reacted with part of her cargo. She broke in two on 29 January with the bow section sinking. The stern section was scuttled by HMCS Kenogami at 43.88333°N, -53.06667°W. Her cargo of gold bullion was salvaged in 1973.
 * SS Kasagi Maru (🇯🇵 Japan): World War II: The salvage vessel was torpedoed and sunk in Tokyo Bay by USS Swordfish (SS-193).
 * SS Kikuziki Maru (🇯🇵 Japan): World War II: The cargo ship was torpedoed and sunk in the Luzon Strait by USS Thresher (SS-200).
 * SS Kosei Maru (1943) (🇯🇵 Japan): World War II: The cargo ship was torpedoed and sunk in the Luzon strait by USS Thresher (SS-200).

28 January

 * SS Heinrich Schulte (1918) (🇩🇪 Germany): World War II: The cargo ship was torpedoed and sunk by a submarine off Tromsø, Norway.
 * SS Johann Schulte (1920) (🇩🇪 Germany): World War II: The cargo ship struck a mine and sank in the lower Weser, Germany.
 * GS U-271 : World War II: The Type VIIC submarine was depth charged and sunk in the Atlantic Ocean west of County Limerick, Ireland (53.25°N, -15.86667°W) by a Consolidated B-24 Liberator aircraft of the United States Navy with the loss of all 51 crew.
 * GS U-571 : World War II: The Type VIIC submarine was depth charged and sunk in the Atlantic Ocean west of Ireland (52.68333°N, -14.45°W) by Short Sunderland EK477 coded UT-D of 461 Squadron, Royal Australian Air Force with the loss of all 52 crew.

29 January

 * MS Kaldnes : World War II: The supply ship was torpedoed and sunk by aircraft off Feistein Lighthouse, Norway.
 * SS Olga G Embiricos (🇬🇷 Greece): World War II: The cargo ship was torpedoed and sunk in the Gulf of Aden 210 nmi west of Socotra, South Yemen (12.5°N, 50.16667°W) by GS U-188 with the loss of twenty of her 41 crew. Survivors were rescued by SS Dramatist (🇬🇧 United Kingdom).
 * SS Samuel Huntington (🇺🇸 United States): World War II: The Liberty ship was bombed and sunk at Anzio, Lazio, Italy by Luftwaffe aircraft.
 * SS Shuko Maru (🇯🇵 Japan): World War II: The net tender was torpedoed and sunk in the Philippine Sea north of the Marianas Islands by USS Angler (SS-240).
 * HMS Oracle (FY020) : World War II: The Armed Yacht burned at Liverpool.
 * HMS Spartan (95) : World War II: Operation Shingle: The Dido-class cruiser was sunk in the Mediterranean Sea off Anzio, Lazio, Italy by a Henschel Hs 293 glide bomb with the loss of 46 of her 530 crew.
 * GS U-364 : World War II: The Type VIIC submarine was depth charged and sunk in the Bay of Biscay (45.55°N, -5.91667°W) by a Handley Page Halifax aircraft of 502 Squadron, Royal Air Force with the loss of all 49 crew.

30 January

 * SS Hanau (1921) (🇩🇪 Germany): World War II: The cargo ship struck a mine and sank in the Baltic Sea off Kiel, Germany (54.51667°N, 10.46667°W).
 * HMS Hardy (R08) : World War II: Convoy JW 56A: The V-class destroyer was torpedoed and damaged in the Arctic Sea (73.66667°N, 24.5°W) by GS U-278 with the loss of 35 crew. Survivors were rescued by HMS Venus (R50), which scuttled her.
 * GERMAN MINESWEEPER M-451 : The minesweeper was wrecked north of Porkkala, Finland.
 * SS Tomashima Maru (🇯🇵 Japan): World War II: The cargo liner was torpedoed and sunk in the South China Sea south of Formosa by USS Spearfish (SS-190).
 * GS U-314 : World War II: The Type VIIC submarine was depth charged and sunk in the Norwegian Sea (73.68333°N, 24.5°W) by HMS Meteor (G73) and HMS Whitehall (D94) (both ) with the loss of all 49 crew.

31 January

 * SS Hiro Maru (🇯🇵 Japan): World War II: The net tender was torpedoed and sunk in the Pacific Ocean by USS Tullibee (SS-284).
 * SS Lita (🇳🇴 Norway): The coaster came ashore at Langholmen and was wrecked.
 * HMT Pine : World War II: The naval trawler was torpedoed and sunk in the English Channel south of Beachy Head, East Sussex by a Kriegsmarine schnellboot with the loss of ten of her twelve crew.
 * MS Ruhrort (1936) (🇩🇪 Germany): The cargo ship struck a mine and was beached near Nakskov, Denmark.
 * GS U-592 : World War II: The Type VIIC submarine was depth charged and sunk in the Atlantic Ocean southwest of Ireland (50.33333°N, -17.48333°W) by HMS Magpie (U82), HMS Starling (U66) and HMS Wild Goose (U45) (all ) with the loss of all 49 crew.
 * SS Yasukuni Maru (🇯🇵 Japan): World War II: The Terukuni Maru-class ocean liner was torpedoed and sunk in the Pacific Ocean by USS Trigger (SS-237).

Unknown date

 * SS Ocean Viking (🇬🇧 United Kingdom): World War II: The Ocean ship was scuttled as a breakwater at Bari, Apulia, Italy. She was raised by the Italians in 1947, repaired and returned to service as Alceo.
 * USS Scorpion (SS-278) : World War II: The Gato-class submarine was sunk in the Yellow Sea, probably by stricking a mine, with the loss of all 60 crew after 5 January.
 * GS U-972 : World War II: The Type VIIC submarine was lost in action with the loss of all 49 crew.