List of shipwrecks in January 1943

The list of shipwrecks in January 1943 includes ships sunk, foundered, grounded, or otherwise lost during January 1943.

1 January

 * SS Arthur Middleton : World War II: Convoy UGS 3: The Liberty ship was torpedoed and sunk in the Mediterranean (35.75°N, -0.75°W) by GS U-73 (1940) with the loss of 78 of the 81 people on board. Survivors were rescued by HMS Boreas (H77).
 * MV Brageland (🇸🇪 Sweden): World War II: The cargo ship was torpedoed and sunk in the Atlantic Ocean (0.31667°N, -37.43333°W) by GS U-163 (1941) . All 28 crew survived.
 * SS Empire March : World War II: The cargo ship was torpedoed and sunk in the South Atlantic by GERMAN AUXILIARY CRUISER Michel.
 * SS Empire Panther : World War II: The cargo ship struck a mine and sank in the Irish Sea 8 nmi off Strumble Head, Pembrokeshire.
 * USS LCT-21 : World War II: The Landing Craft, Tank was lost when SS Arthur Middleton was torpedoed and sunk in the Mediterranean Sea by GS U-73 (1940).
 * MTB 105 : World War II: The motor torpedo boat was scuttled by the HMCS Woodstock (K238)  in the Atlantic Ocean after floating away from the sinking Special Service Vessel HMS Fidelity (D57), sunk by GS U-435  on 30 December 1942.
 * SS Renzan Maru : World War II: The cargo ship was torpedoed and sunk in the Pacific Ocean off Honshū by USS Porpoise (SS-172).
 * SS Rhakotis (🇩🇪 Germany): World War II: The blockade runner was shelled and sunk in the Atlantic Ocean 200 nmi north west of Cape Finisterre, Spain (-23.5°N, -5.5°W) by HMS Scylla (98) . Amongst those killed was one of the three survivors from SS City of Cairo . The other two survivors were rescued by GS U-410 and were taken as prisoners of war.

2 January

 * SS Empire Metal (1942) : World War II: The cargo ship was bombed and sunk at Bône, Algeria. Raised in August 1949 but broke in two and subsequently scrapped.
 * USS Grebe (AM-43) : the Lapwing-class minesweeper was destroyed by a typhoon during 1-2 January 1943 at Vuata Vatoa, Fiji Islands after becoming grounded while attempting to salvage SS Thomas A. Edison.
 * SS Thomas A. Edison : the Liberty ship was destroyed by a typhoon during 1-2 January 1943 at Vuata Vatoa, Fiji Islands after becoming grounded on 4 December 1942.

3 January

 * SS Baron Dechmont : World War II: The cargo ship was torpedoed and sunk in the Atlantic Ocean north west of Cape San Roque, Brazil (-3.18333°N, -38.68333°W) by GS U-507 with the loss of seven of her 44 crew.
 * MV British Vigilance : World War II: Convoy TM 1: The tanker straggled behind the convoy. She was torpedoed and damaged in the Caribbean approximately 900 nmi north east of Barbados (20.96667°N, -44.66667°W) by GS U-514 with the loss of 27 of her 54 crew. The ship was abandoned and the survivors were rescued by HMS Saxifrage (K04) . British Vigilance was torpedoed and sunk on 24 January at approximately 21°N, -45°W by GS U-105 (1940).
 * ITALIAN CRUISER Ulpio Traiano : World War II: Operation Principal: The was sunk at Palermo, Sicily by a Royal Navy human torpedo.

4 January

 * HNOMS Bodø : World War II The patrol boat struck a mine off Aberdeen, Scotland and sank. 30 of the 32 crewmen lost their lives, the survivors being rescued by a British trawler. She was returning from a special operation to Norway.

5 January

 * JAPANESE CARGO SHIP Keifuku Maru : World War II: The Cargo ship was bombed and sunk by 5th Air Force B-17s and B-24s at Rabaul, New Britain.

6 January

 * HMS LCT-106  : World War II: The Mk. 2 Landing Craft Tank foundered in a storm off Benghazi.
 * HMS LCT-107  : World War II: The Mk. 2 Landing Craft Tank foundered in a storm off Benghazi.
 * GS U-164  : World War II: The Type IXC submarine was depth charged and sunk in the Atlantic Ocean off Pernambuco, Brazil (-1.96667°N, -39.36667°W) by a Consolidated PBY Catalina aircraft of the United States Navy with the loss of 54 of her 56 crew.

7 January

 * HMT Horatio : World War II: The naval trawler was torpedoed and sunk in the Mediterranean off the coast of Algeria by GERMAN TORPEDO BOAT S-58.
 * HMT Jura (T169) : The naval trawler was torpedoed and sunk in the Mediterranean Sea (36.96667°N, 3.8°W by GS U-371 with the loss of seventeen of her 37 crew. Survivors were rescued by HMT Stronsay (T178).
 * SS Myoko Maru (1939) (🇯🇵 Japan): The troopship was bombed and damaged by United States Navy aircraft. She was beached at Malahang, Papua New Guinea (-6.81667°N, 147.06667°W), where she was later destroyed.

8 January

 * MV Albert L. Ellsworth (🇳🇴 Norway): World War II: Convoy TM 1: The tanker was torpedoed and damaged in the Caribbean (27.95°N, -28.83333°W) by GS U-436 . On fire from bow to stern, she was abandoned by her 42 crew, who were rescued by HMS Havelock (H88) . Albert L. Ellsworth was shelled and sunk by U-436 the next day.
 * SS Oltenia II : World War II: Convoy TM 1: The tanker was torpedoed and sunk in the Caribbean Sea (27.98333°N, -28.83333°W) by GS U-436 with the loss of seventeen of her 60 crew. Survivors were rescued by HMS Havelock (H88) (.
 * SS Yorkwood (🇬🇧 United Kingdom): World War II: The cargo ship was torpedoed and sunk in the Atlantic Ocean off Macau, Brazil (-4.16667°N, -35.5°W) by GS U-507 with the loss of one of her 48 crew. Her captain was taken on board U-507 as a prisoner of war.

9 January

 * SS Birmingham City : World War II: Convoy TB 1: The cargo ship was torpedoed and sunk in the Atlantic Ocean (7.38333°N, -55.8°W) by GS U-124 (1940) with the loss of ten of her 56 crew. Survivors were rescued by USS PC-577
 * SS Broad Arrow (🇺🇸 United States): World War II: Convoy TB 1: The tanker was torpedoed and sunk in the Atlantic Ocean (7.58333°N, -55.75°W) by GS U-124 (1940) with the loss of 23 of her 47 crew. Survivors were rescued by USS PC-577.
 * SS Collingsworth : World War II: Convoy TB 1: The cargo ship was torpedoed and sunk in the Atlantic Ocean (7.2°N, -55.61667°W) by GS U-124 (1940) with the loss of twelve of her 55 crew. Survivors were rescued by SS Dalvangen (🇳🇴 Norway) and USS PC-577.
 * SS Empire Lytton : World War II: Convoy TM 1: The tanker was torpedoed and sunk in the Atlantic Ocean (28.13333°N, -28.33333°W) by GS U-442 with the loss of fourteen of her 48 crew. Survivors were rescued by HMS Havelock (H88) and HMS Saxifrage (K04) (both ).
 * ST Empire Spruce : The tug collided with another ship and sank in the Firth of Clyde with the loss of four of her six crew.
 * SS Louise Lykes (1941) : World War II: The Type C2-F cargo ship was torpedoed and sunk in the Atlantic Ocean (56.25°N, -22°W) by GS U-384 with the loss of all 83 crew.
 * RFA Minister Wedel : World War II: Convoy TM 1: The tanker was torpedoed and sunk in the Atlantic Ocean (28.13333°N, -28.33333°W) by GS U-522 . All 38 crew were rescued by HMS Havelock (H88).
 * SS Minotaur (🇺🇸 United States): World War II: Convoy TM 1: The cargo ship was torpedoed and sunk in the Atlantic Ocean (7.2°N, -55.61667°W) by GS U-124 (1940) with the loss of six of her 52 crew. Survivors were rescued by USS PC-577.
 * MV Norvik (1937) (🇵🇦 Panama): World War II: Convoy TM 1: The cargo ship was torpedoed and sunk in the Atlantic Ocean 500 nmi west of Tenerife, Spain (28.13333°N, -28.33333°W) by GS U-522 with the loss of two of her 45 crew.
 * MV William Wilberforce : World War II: The cargo ship was torpedoed and sunk in the Atlantic Ocean west of the Canary Islands, Spain (29.33333°N, -26.88333°W) by GS U-511 with the loss of three of her 63 crew. Survivors were rescued by MV Monte Arnabal (🇪🇸 Spain).

10 January

 * USS Argonaut (SM-1) : World War II: The Argonaut-class submarine was depth charged, shelled and sunk south of the Bismarck Archipelago, Papua New Guinea by JAPANESE DESTROYER Hamakaze, JAPANESE DESTROYER Isokaze and JAPANESE DESTROYER Maikaze (all ).
 * SS Ocean Vagabond : World War II: The Ocean ship was torpedoed and sunk in the Atlantic Ocean (57.28333°N, -20.18333°W) by GS U-186.
 * JAPANESE DESTROYER Okikaze : World War II: The was torpedoed and sunk in the Pacific Ocean off Katsura, Chiba (35.03333°N, 140.2°W) by USS Trigger (SS-237)  with the loss of most of her 148 crew.

11 January

 * MV British Dominion : World War II: Convoy TM 1: The tanker straggled behind the convoy. She was torpedoed and damaged in the Atlantic Ocean by GS U-522 with the loss of 37 of her 53 crew. Survivors abandoned ship and were rescued by HMS Godetia (K236) . British Dominion was later torpedoed and sunk (30.5°N, -19.91667°W) by GS U-620.
 * SS Chifuku Maru : World War II: The cargo liner was torpedoed and sunk in the Pacific Ocean by USS Growler (SS-215).
 * SS Ocean Vagabond : World War II: Convoy SC 115: The Ocean ship straggled behind the convoy. She was torpedoed and sunk in the Atlantic Ocean (57.28333°N, -20.18333°W) by GS U-186 with the loss of one of her 47 crew. Survivors were rescued by HMS Wanderer (D74).
 * USS PT-43 : World War II: The ELCO 77' -class PT Boat was shelled and damaged off Guadalcanal, (-9.25°N, 159.7°W) by JAPANESE DESTROYER Hatsukaze,  and JAPANESE DESTROYER Tokitsukaze (both ). Scuttled by US ships.
 * USS PT-112 : World War II: The ELCO 80' -class PT Boat was shelled and sunk off Guadalcanal, (-9.25°N, 159.7°W)  by JAPANESE DESTROYER Hatsukaze,  and JAPANESE DESTROYER Tokitsukaze (both ).

12 January

 * C S Flight : World War II: The sailing ship was shelled and sunk in the Caribbean (12.41667°N, -65°W) by GS U-105 (1940) with the loss of 49 of her 72 crew.
 * HMT Kingston Jacinth : World War II: The naval trawler struck a mine and sank in the English Channel off Plymouth, Devon.
 * JAPANESE PATROL BOAT PB-1 : World War II: The Patrol Boat was torpedoed and sunk off New Hanover Island, Bismarck Archipelago (-2.85°N, 149.71667°W) by USS Guardfish (SS-217).
 * USS PT-28 : World War II: The ELCO 77' -class PT Boat was wrecked at Dora Harbor, Unimak Island, Alaska.
 * USS Worden (DD-352) : The Farragut-class destroyer was driven onto rocks at Constantine Harbor, Amchitka Island, Alaska and was wrecked with the loss of fourteen of her 186 crew.

13 January

 * SS Iwashiro Maru : World War II: The cargo ship was torpedoed and sunk in the Pacific Ocean between Kwajalein and Truk by USS Wahoo (SS-238).
 * SS Siraha Maru : World War II: The cargo ship was torpedoed and sunk in the Banda Sea by USS Searaven (SS-196).
 * GS U-224 : World War II: The Type VIIC submarine was depth charged, rammed and sunk in the Mediterranean west of Algiers, Algeria (36.46667°N, 0.81667°W) by HMCS Ville de Quebec (K242) with the loss of 45 of her 46 crew.
 * GS U-507 : World War II: The Type IXC submarine was depth charged and sunk in the Atlantic Ocean 330 nmi off Cape Saint Rocque, Brazil (-1.63333°N, -39.86667°W) by a Consolidated PBY Catalina of the United States Navy with the loss of all 54 people on board.

14 January

 * ITALIAN SUBMARINE Narvalo : World War II: The submarine was sunk in the Mediterranean south east of Malta (34.13333°N, 16.06667°W) by HMS Pakenham (G06)  and an R.A.F. Bristol Beaufort torpedo bomber. 28 crewmen and 8 POW British Officers were lost.

15 January

 * SS Annitsa (🇬🇷 Greece): World War II: The cargo ship was torpedoed and sunk in the Mediterranean (33.03333°N, 21.96667°W) by GS U-617 with the loss of one of her 34 crew. Survivors were rescued by HMT Southern Isles.
 * MS Harboe Jensen (🇳🇴 Norway): World War II: The cargo ship was torpedoed and sunk in the Mediterranean Sea (33.06667°N, 21.83333°W) by GS U-617 with the loss of 18 of her 24 crew. The survivors were rescued by HMT Southern Isles.
 * JAPANESE CARGO SHIP Nichimei Maru : World War II: The Cargo Ship was carrying Japanese troops and Allied POWs. Sunk by USAAF B-24s 200 miles south southwest of Rangoon Burma (13.5°N, 97.5°W) with widely conflicting reports of casualties.
 * SS Ocean Courage : World War II: The Ocean ship was torpedoed and sunk in the Atlantic Ocean 200 nmi south of the Cape Verde Islands, Portugal (10.86667°N, -23.46667°W) by GS U-182 with the loss of 52 of her 58 crew. Survivors were rescued by MV Silverwalnut.
 * ITALIAN SUBMARINE Tritone : World War II: The was sunk in the Mediterranean east of Algiers (37.1°N, 5.36667°W) by HMS Antelope (H36)  and HMCS Port Arthur (K233) : . 26 crewmen lost, 25 survivors rescued and became POWs.

16 January

 * SS Kimposan Maru : World War II: The cargo was torpedoed and sunk in the Pacific Ocean off New Britain by USS Greenling (SS-213).
 * SS Nortind (🇳🇴 Norway): World War II: Convoy HX 223: The tanker was torpedoed and sunk in the Atlantic Ocean (58.66667°N, -33.16667°W) by GS U-358.

17 January

 * SS Heiyo Maru : World War II: The cargo liner was torpedoed and sunk in the Pacific Ocean by USS Whale (SS-239).
 * SS Llanashe : World War II: The cargo ship was torpedoed and sunk in the Indian Ocean south of Cape St. Francis, Cape Colony (-34°N, 28.5°W) by GS U-182 with the loss of 33 of her 42 crew. Survivors were rescued  by MV Tarakan (1930) (🇳🇱 Netherlands).
 * HMS LCT-2234,HMS LCT-2239, HMS LCT-2267, and HMS LCT-2344 (all ): World War II: The Landing Craft, Tanks were being carried as deck cargo on SS Vestfold (1931) (🇵🇦 Panama) and were lost when that ship was torpedoed and sunk.
 * SS Ostende (1920) (🇧🇪 Belgium): World War II: Convoy SC 115: The cargo ship suffered and onboard explosion and sank in the Atlantic Ocean.
 * SS Vestfold (1931) (🇵🇦 Panama): World War II: Convoy HX 222: The whale factory ship was torpedoed and sunk in the Atlantic Ocean (61.41667°N, -26.2°W) by GS U-268 with the loss of nineteen of the 75 people on board. Survivors were rescued by SS Rathlin.

18 January

 * MS Ankara (1937) (🇩🇪 Germany): World War II: The cargo ship struck a mine and sank north-east of Cani Island, Tunisia.
 * SS Favør (🇩🇪 Germany): World War II: The cargo ship was torpedoed and sunk in the Mediterranean south east of Sardinia, Italy by HMS Loyal (G15).
 * SS Jan Mayen (1915) (🇳🇴 Norway): The whaler ran aground off Leirabodi, Reykjavík, Iceland and was abandoned. Salvage was abandoned on 26 January and she subsequently broke up and sank.
 * SS Toei Maru : World War II: The cargo ship was torpedoed and sunk in the Pacific Ocean off Truk, South Pacific Mandate by USS Silversides (SS-236).
 * SS Senzan Maru : World War II: The Cargo ship was bombed and sunk off Kavieng, New Ireland (-3.48333°N, 149.03333°W) by a USAAF B-24
 * SS Yamafuku Maru : World War II: The Cargo ship was bombed and sunk in the Shortland Islands, Solomon Islands by US Army B-17s and P-39s.

19 January

 * SS Myoho Maru : World War II: The cargo ship was torpedoed and sunk in the Gulf of Siam by USS Swordfish (SS-193).

20 January
For the loss of the American tanker MV Brilliant'' on this day, see the entry for 18 November 1942.
 * SS Irma (1908) ( undefined): World War II: The cargo ship was shelled and sunk off Zuara, Italian Libya by HMS Kelvin and HMS Jaguar (F34) (both ).
 * SS Jean Jadot (🇧🇪 Belgium): World War II: Convoy KMS 7: The cargo ship was torpedoed and sunk in the Mediterranean off Cape Ténès, Algeria by GS U-453 with the loss of fifteen of the 414 people on board. Survivors were rescued by HMS Verity (D63)  and the trawler Duguay Trouin (🇫🇷 France).
 * SS Meiu Maru : World War II: The cargo ship was torpedoed and sunk in the Pacific Ocean off Truk, South Pacific Mandate by USS Silversides (SS-236).
 * SS Somedono Maru : World War II: The cargo ship was torpedoed and sunk in the Pacific Ocean off Truk by USS Silversides (SS-236).
 * ITALIAN SUBMARINE Santorre Santarosa : World War II: The submarine ran aground in the Mediterranean off Tripoli (32.91667°N, 13.18333°W) and then was torpdoed and sunk by HMS MTB-260 (MTB-260).
 * SS Surabaya Maru : World War II: The cargo ship was torpedoed and sunk in the Pacific Ocean off Truk by USS Silversides (SS-236).
 * MV Tanja (1920) (🇩🇪 Germany): The coaster ran aground at Kirkenes, Finnmark, Norway and was wrecked.

21 January

 * SS Kenkon Maru : World War II: The transport ship was torpedoed and sunk in the Pacific Ocean off New Georgia, Solomon Islands by USS Gato (SS-212).
 * USS SC-709 : World War II: The was wrecked at  Louisbourg, Cape Breton Island, Nova Scotia.
 * GS U-301 : World War II: The Type VIIC submarine was torpedoed and sunk in the Mediterranean west of Bonifacio, Corsica, France (41.45°N, 7.06667°W) by HMS Sahib (P212) with the loss of 45 of her 46 crew.

22 January

 * SS Hassu Maru : World War II: World War II: The cargo liner was torpedoed and sunk in the Banda Sea by USS Tautog (SS-199).
 * SS Mount Mycale (🇬🇷 Greece): World War II: Convoy SC 117: The cargo ship straggled behind the convoy. She was torpedoed and sunk in the Atlantic Ocean (52°N, -50.5°W) by GS U-413 with the loss of all hands.
 * SS Neva (🇸🇪 Sweden): World War II: Convoy UR 59: The cargo ship was torpedoed and sunk in the Atlantic Ocean south of Iceland (61.58333°N, -14.25°W) by GS U-358 with the loss of nineteen of her 21 crew. Survivors were rescued by HMT Cape Portland (FY246).
 * MS Ruhr (1926) (🇩🇪 Germany): World War II: The cargo ship was bombed and sunk by aircraft off Palermo, Italy.
 * SS Vassilios A. Polemis (🇬🇷 Greece): World War II: The cargo ship was torpedoed and sunk in the Atlantic Ocean (42.53333°N, -52.63333°W) by GS U-333 with the loss of 21 of her 33 crew. Survivors were rescued by SS Leonidas N. Condylis (🇬🇷 Greece).

23 January

 * Alexandria (🇪🇬 Egypt): World War II: The sailing ship was sunk in the Mediterranean by GS U-431.
 * SS Benjamin Smith : World War II: The Liberty ship was torpedoed and sunk in the Atlantic Ocean 50 nmi off Cape Palmas, Liberia (4.08333°N, -7.83333°W) by GS U-175 . All 66 crew survived.
 * SS City of Flint (1919) (🇺🇸 United States): World War II: The cargo ship was torpedoed and sunk in the Atlantic Ocean by GS U-575.
 * JAPANESE DESTROYER Hakaze : World War II: The was torpedoed and sunk in the Bismarck Sea (-2.78333°N, 150.63333°W) by USS Guardfish (SS-217).
 * USS YP-577 : The Yard Patrol Boat was destroyed by an explosion at the Great Lakes Naval Training Center, Illinois.

24 January

 * MV Kollbjørg (1937) (🇳🇴 Norway): World War II: Convoy HX 223: The tanker broke in two in a storm and sank in the Atlantic Ocean (58.46667°N, -41.56667°W) with the loss of eleven of her 36 crew. Survivors were rescued by SS Pan Maryland . The bow section was scuttled on 26 January at 58.33333°N, -39.5°W by GS U-594.
 * MV Ringstad (🇳🇴 Norway): World War II: Convoy ON 55: The cargo ship straggled behind the convoy. She was torpedoed and sunk in the Atlantic Ocean 85 nmi south east of Cape Race, Newfoundland (45.83333°N, -51.06667°W) by GS U-333 with the loss of 30 of her 43 crew. Survivors were rescued by USS Swanson (DD-443).

25 January

 * SS City of Flint (1920) : World War II: Convoy UGS 4: The Design 1022 cargo ship straggled behind the convoy due to her cargo shifting in a storm. She was torpedoed and sunk in the Atlantic Ocean 300 nmi south of the Azores, Portugal (34.78333°N, -31.16667°W) by GS U-575 with the loss of six of her 65 crew. Survivors were rescued by PORTUGUESE DESTROYER Lima  and HMS Quadrant (G11).
 * HMS Corncrake (M82) : World War II: The foundered in the North Atlantic in a storm.
 * SS Lackenby : World War II: Convoy SC 117: The cargo ship straggled behind the convoy. She was torpedoed and sunk in the Atlantic Ocean south of Cape Farewell, Greenland (55°N, -37.83333°W) by GS U-624 with the loss of all 46 crew.
 * Mouyassar ( Syria): World War II: The sailing ship was shelled and sunk in the Mediterranean by GS U-431.
 * SS Nichiun Maru : World War II: The cargo ship was torpedoed and sunk in the Pacific Ocean off New Georgia, Solomon Islands by USS Gato (SS-212).
 * Omar el Kattab ( Syria): World War II: The sailing ship was rammed and sunk in the Mediterranean Sea east of Cyprus by GS U-431.

26 January

 * SS Buyo Maru : World War II: The transport ship was torpedoed and sunk in the Pacific Ocean off Pelau by USS Wahoo (SS-238).
 * SS Fukuei Maru No.2 : World War II: The cargo ship was torpedoed and sunk in the Pacific Ocean off Pelau by USS Wahoo (SS-238).
 * Hassan ( Syria): World War II: The sailing ship was rammed, shelled and sunk in the Mediterranean by GS U-431.
 * SS Krasnyj Partizan ( Soviet Union): World War II: The cargo ship was torpedoed and sunk in the Barents Sea (73.75°N, 17.5°W) by GS U-255 with the loss of all 51 crew.
 * MV Nortind (🇳🇴 Norway): World War II: Convoy HX 223: The tanker straggled behind the convoy. She was torpedoed and sunk in the Atlantic Ocean east of Cape Farewell, Greenland (58.5°N, -34°W) by GS U-358 with the loss of all 42 people on board.
 * SS Shoan Maru : World War II: The cargo ship was torpedoed and sunk in the Pacific Ocean by USS Whale (SS-239).
 * SS Ushio Maru : World War II: The cargo ship was torpedoed and sunk in the Philippine Sea west of Luzon, Philippines by USS Grayling (SS-209).

27 January

 * MV Cape Decision : World War II: The Type C1 cargo ship was torpedoed and sunk in the Atlantic Ocean (22.95°N, -47.46667°W) by GS U-105 (1940) . All 77 people on board survived and reached land in their lifeboats.
 * SS Julia Ward Howe : World War II: Convoy UGS 4: The Liberty ship straggled behind the convoy. She was torpedoed and sunk in the Atlantic Ocean off the Azores (35.48333°N, -29.16667°W) by GS U-442 with the loss of four of her 74 crew. Survivors were rescued by PORTUGUESE DESTROYER Lima (.

28 January

 * SS Charles C. Pinckney : World War II: Convoy UGS 4: The Liberty ship straggled behind the convoy. She was torpedoed and damaged late in the evening of the 27th, return fire from the Armed Guard temporarily drove off her attacker GS U-514, who return and sunk her, just after Midnight in the early hours of the 28th, in the Atlantic Ocean off the Azores, Portugal (36.61667°N, -30.91667°W) with the loss of 56 of her 70 crew. Survivors were rescued by SS Caritas I (🇸🇪 Sweden).
 * USS PT 338 (PT 43) : World War II: The ELCO 80' -class PT Boat was run aground and scuttled off  Semimara, Luzon, The Philippines (12.1°N, 121.38333°W).

29 January

 * JAPANESE SUBMARINE I-1 : World War II: The J1 type submarine was rammed and wrecked in Kamimbo Bay, Guadalcanal by HMNZS Kiwi (T102) and HMNZS Moa (T233) (both ).
 * MV Kaldnes : World War II: The cargo ship was torpedoed and sunk 10 nmi south west of Stavanger, Rogaland by aircraft of 489 Squadron, Royal New Zealand Air Force with the loss of fourteen lives.
 * HMS Pozarica : World War II: The Flakship was torpedoed by Italian aircraft north of Beni Ksila, Algeria (37.06667°N, 4.6°W). She capsized at Bougie, Algeria on 13 February 1943. Wreck scrapped in Savona, Italy, from 14 June 1951.
 * SS Samuel Gompers (1942) : World War II: The Liberty ship torpedoed and sunk in the Pacific Ocean off New Caledonia (-24.35°N, -166.35°W) by JAPANESE SUBMARINE I-10.
 * SS Ufa ( Soviet Union): World War II: The cargo ship was torpedoed and sunk in the Barents Sea by GS U-255 with the loss of all 39 crew.
 * SS Vercelli ( undefined): World War II: The cargo ship was bombed and damaged in the Mediterranean 30 nmi off Cape Bon, Tunisia by Allied aircraft. She sank under tow the next day 1.5 nmi off Cape Farina, Tunisia.

30 January

 * USS Chicago (CA-29) : World War II: Battle of Rennell Island: The was torpedoed and sunk in the Pacific Ocean between Rennell Island and Guadalcanal (-11.41667°N, 160.93333°W) by Imperial Japanese Navy aircraft.
 * MV Daghild (🇳🇴 Norway): World War II: Convoy SC 118: The tanker was torpedoed and sunk in the Atlantic Ocean (55.41667°N, -26.2°W) by GS U-404 . All 39 crew were rescued by FRENCH CORVETTE Lobelia.
 * HMS Samphire (K128) : World War II: The was torpedoed and sunk in the Mediterranean off Bougie, Algeria by ITALIAN SUBMARINE Platino  with the loss of 45 of her 85 crew.

Unknown date

 * GS U-337 : World War II: The Type VIIC submarine was lost on patrol in the Atlantic Ocean on or after 3 January with the loss of all 47 crew.
 * GS U-553 : World War II: The Type VIIC submarine was lost on patrol in the Atlantic Ocean on or after 20 January with the loss of all 47 crew.
 * SS Yosinogawa Maru : World War II: The cargo ship was torpedoed and sunk at Toep Harbour, Bougainville Island, Papua New Guinea by USS Nautilus (SS-168).