List of shipwrecks in July 1942

The list of shipwrecks in July 1942 includes all ships sunk, foundered, grounded, or otherwise lost during July 1942.

1 July

 * MV Bayard (1935) (🇳🇴 Norway): World War II: The cargo ship was torpedoed and sunk in the Caribbean Sea (29.58333°N, -88.73333°W) by GS U-67 (1940) with the loss of eleven of her 32 crew.
 * SS Cadmus (1923) (🇳🇴 Norway): World War II: The cargo ship was torpedoed and sunk in the Gulf of Mexico (22.83333°N, -92.25°W) by GS U-129 (1941) with the loss of two of her 22 crew.
 * SS City of Birmingham (1923) (🇺🇸 United States): World War II: The passenger ship was torpedoed and sunk in the Atlantic Ocean 250 nmi east of Cape Hatteras, North Carolina (35.16667°N, -70.88333°W) by GS U-202 with the loss of nine of the 381 people on board. Survivors were rescued  by USS Stansbury (DMS-8).
 * MV Eknaren (🇸🇪 Sweden): World War II: The cargo ship was torpedoed and sunk in the Indian Ocean by JAPANESE SUBMARINE I-16.
 * MV Gundersen (🇳🇴 Norway): World War II: The cargo ship was torpedoed and sunk in the Atlantic Ocean (23.55°N, -92.58333°W) by GS U-129 (1941) with the loss of one of her 23 crew. Survivors were rescued by SS Dea (🇳🇴 Norway).
 * SS Marilyse Moller (🇬🇧 United Kingdom): World War II: Convoy Nugget The coaster was torpedoed and sunk in the Mediterranean Sea north east of Port Said, Egypt (31.36667°N, 33.73333°W) by GS U-97 (1940) with the loss of 31 of her 35 crew. Survivors were rescued by HMS Burra (T158).
 * SS Montevideo Maru (🇯🇵 Japan): World War II: The cargo ship was torpedoed and sunk in Manila Bay off Manila, Philippines by USS Sturgeon (SS-187).
 * SS Warrior (1920) (🇺🇸 United States): World War II: The cargo ship was torpedoed and sunk in the Atlantic Ocean 125 nmi east of Trinidad (10.9°N, -61.03333°W) by GS U-126 (1940) with the loss of seven of her 56 crew. Survivors were rescued by USS Herbert (DD-160).

2 July

 * SOVIET DESTROYER Bditelnyi : World War II: The Gnevny-class destroyer was bombed and sunk by Ju-87s at Novorossiysk.
 * SOVIET DESTROYER Tashkent : World War II: The Tashkent-class destroyer was bombed and sunk in Tsemes Bay off Novorossiysk.
 * MS Ukraina (1931) ( Soviet Union): World War II: The passenger ship was bombed and sunk at Novorossiysk by aircraft. Wreck raised 23 September 1947, and scrapped in 1950.
 * SS Unyo Maru No.3 (🇯🇵 Japan): World War II: The cargo ship was torpedoed and sunk in the East China Sea by USS Plunger (SS-179).

3 July

 * SS Alexander Macomb (🇺🇸 United States): World War II: The Liberty ship, on her maiden voyage, was torpedoed and sunk in the Atlantic Ocean 175 nmi east of Cape Cod, Massachusetts (41.66667°N, -66.86667°W) by GS U-215 with the loss of ten of her 56 crew. Survivors were rescued by HMT Le Tiger (FY243)  and HMCS Regina (K234).
 * SS San Pablo (🇵🇦 Panama): World War II: The cargo ship was torpedoed and sunk at Puerto Limón, Costa Rica by GS U-161 (1941) with the loss of 24 lives. She was later refloated and towed to Key West, Florida for repairs but was declared a constructive total loss and consequently sunk as a target.
 * GS U-153 (1941) : World War II: The Type IX submarine was depth charged and sunk in the Atlantic Ocean off Cristóbal, Panama by USS Lansdowne (DD-486).
 * GS U-215 : World War II: The Type VIID submarine was depth charged and sunk in the Atlantic Ocean east of Boston, Mass. (41.8°N, -66.63333°W) by HMT Le Tiger (FY243) with the loss of all 48 crew.

4 July

 * SS Christopher Newport (United States): World War II: Convoy PQ 17: The Liberty ship, on her maiden voyage, was torpedoed and damaged in the Barents Sea by Heinkel He 115 aircraft of Küstenfliegergruppe 906, Luftwaffe with the loss of three of her 50 crew. She then straggled behind the convoy and was torpedoed and sunk at 75.81667°N, 24.25°W by GS U-457 . Survivors were rescued by SS Zamalek (🇬🇧 United Kingdom).
 * SS Norlandia (🇺🇸 United States): World War II: The Design 1074 cargo ship was torpedoed and sunk in the Atlantic Ocean 25 nmi north east of Cape Samana, Dominican Republic (19.55°N, -68.65°W) by GS U-575 with the loss of nine of her 30 crew. Survivors were rescued by SS Portland (1919) (🇵🇦 Panama).
 * SS William Hooper (🇺🇸 United States): World War II: Convoy PQ 17: The cargo ship was bombed and damaged in the Barents Sea by Heinkel He 111 aircraft of 1 Staffel, K26, Luftwaffe and was abandoned with the loss of three of her 58 crew. Survivors were rescued by SS Rathlin and SS Zamorek (both 🇬🇧 United Kingdom). A Royal Navy ship unsuccessfully attempted to scuttle her. William Hooper was later torpedoed, shelled and sunk at 75.91667°N, 27.23333°W by GS U-334.
 * Nenohi  : World War II: The Hatsuharu-class destroyer was torpedoed and sunk in the Pacific Ocean south east of Attu Island, Alaska, United States (52.25°N, 173.85°W) by USS Triton (SS-201) with the loss of 188 of her 226 crew. Survivors were rescued by JAPANESE DESTROYER Inazuma.
 * MV Tuapse ( Soviet Union): World War II: The tanker was torpedoed and sunk in the Gulf of Mexico north west of Havana, Cuba (22.21667°N, -86.1°W) by GS U-129 (1941) with the loss of eight of her 44 crew.

5 July

 * RFA Aldersdale : World War II: Convoy PQ 17: The Dale-class oiler was torpedoed and damaged in the Barents Sea by Junkers Ju 88 aircraft of III Staffeln, KG 30, Luftwaffe. She was taken in tow by HMS Salamander (N86) but was later abandoned by her 54 crew, who were rescued by the minesweeper. RFA Aldersdale was torpedoed, shelled and sunk on 7 July by GS U-457  at approximately 75°N, 45°W.
 * Anna (🇩🇪 Germany): World War II: The coaster was torpedoed and sunk in the Baltic Sea west of Klaipėda, Latvia by SOVIET SUBMARINE SC-320.
 * Arare : World War II: The Asashio-class destroyer was torpedoed and sunk in the Pacific Ocean east of Kiska Harbor, Alaska, United States by USS Growler (SS-215) with the loss of 104 of her 146 crew.
 * SS Bolton Castle (🇬🇧 United Kingdom): World War II: Convoy PQ 17: The cargo ship was bombed and sunk in the Barents Sea by Luftwaffe aircraft.
 * SS Carlton (🇺🇸 United States): World War II: Convoy PQ 17: The cargo ship was torpedoed and sunk in the Barents Sea by GS U-88 (1941) with the loss of three of her 45 crew. Some of the survivors were taken as prisoners of war, others reached land in their lifeboats.
 * SS Daniel Morgan (United States): World War II: Convoy PQ 17: The cargo ship was bombed and damaged in the Barents Sea by Luftwaffe aircraft. She was then torpedoed and sunk at 75.13333°N, 45.1°W by GS U-88 (1941) with the loss of three of her 54 crew. Survivors were rescued by SS Donbass ( Soviet Union).
 * SS Earlston (🇬🇧 United Kingdom): World War II: Convoy PQ 17: The cargo ship was bombed and damaged in the Barents Sea by Junkers Ju 88 aircraft of III Staffeln, KG 30, Luftwaffe. She was later torpedoed and sunk at 74.9°N, 37.66667°W) by GS U-334 . All 52 crew survived.
 * SS Empire Byron (🇬🇧 United Kingdom): World War II: Convoy PQ 17: The cargo ship was torpedoed and sunk in the Barents Sea (76.3°N, 33.5°W) by GS U-703 with the loss of seven of the 69 people on board.
 * SS Exterminator (United States): World War II: The cargo ship struck a mine off Straumnes, Iceland. Scrapped in Philadelphia, USA, in April 1944.
 * SS Fairfield City (United States): World War II: Convoy PQ 17: The cargo ship was bombed and sunk in the Barents Sea by Luftwaffe aircraft.
 * SS Honomu (United States): World War II: Convoy PQ 17: The cargo ship was torpedoed and sunk in the Barents Sea by GS U-456 with the loss of 13 of her 41 crew. Survivors were rescued by two of the convoy's escorts and by GS U-209.
 * SS Hybert (🇺🇸 United States): World War II: Convoy QP 13: The cargo ship struck a mine and sank in the Norwegian Sea north west of Iceland (66.56667°N, -23.23333°W). All on board, including 26 survivors from SS Syros (🇺🇸 United States) were rescued by HMT Lady Madeleine (FY283) and FRENCH CORVETTE Roselys.
 * SS John Randolf (🇺🇸 United States): World War II: The Liberty ship struck a mine and sank in the Denmark Strait.
 * SS Navarino (🇬🇧 United Kingdom): World War II: Convoy PQ 17: The cargo ship was bombed and sunk in the Barents Sea by Luftwaffe aircraft.
 * HMS Niger (J73) : World War II: Convoy QP 13: The   struck a mine and sank in the Norwegian Sea north west of Iceland (66.58333°N, -23.23333°W).
 * SS Paulus Potter (🇳🇱 Netherlands): World War II: convoy PQ 17: The cargo ship was bombed and damaged in the Barents Sea west of Novaya Zemlya, Soviet Union (approximately 70°N, 25°W) by Junkers Ju 88 aircraft of III Staffeln, KG 30, Luftwaffe, and was abandoned by her 76 crew. Paulus Potter was torpedoed and sunk on 13 July by GS U-255.
 * SS Peter Kerr (United States): World War II: Convoy PQ 17: The cargo ship was bombed and sunk in the Barents Sea by Luftwaffe aircraft.
 * SS River Afton (🇬🇧): World War II: Convoy PQ 17: The cargo ship was torpedoed and sunk in the Barents Sea (75.95°N, 43°W) by GS U-703 ( with the loss of 26 of the 64 people on board.
 * HMT Sword Dance (J73) : World War II: The was sunk in a collision in the Morey Firth with Merchant ship Thyra II.
 * SS Washington (1919) (United States): World War II: The cargo ship was bombed and sunk in the Barents Sea by Luftwaffe aircraft.
 * SS Zaafaran (🇬🇧 United Kingdom): World War II: Convoy PQ17: The convoy rescue ship was bombed and sunk in the Barents Sea by Luftwaffe aircraft.

6 July

 * SS Anastassios Pateras (🇬🇷 Greece): World War II: Convoy QS 15: The cargo ship was torpedoed and sunk in the Gulf of Saint Lawrence (49.2°N, -66.91667°W) by GS U-132 (1941) with the loss of three of her 26 crew.
 * SS Avila Star (🇬🇧 United Kingdom): World War II: The ocean liner was torpedoed and sunk in the Atlantic Ocean north east of the Azores, Portugal by GS U-201 with the loss of 84 of the 196 people on board. Survivors were rescued by PORTUGUESE DESTROYER Lima and PORTUGUESE SLOOP Pedro Nunes (both ).
 * MV Bayard (🇳🇴 Norway): World War II: The cargo ship was torpedoed and sunk in the Gulf of Mexico by GS U-67 (1940) ( with the loss of eleven of her 32 crew.
 * SS Dinaric (🇬🇧 United Kingdom): World War II: Convoy QS 15: The cargo ship was torpedoed and damaged in the Saint Lawrence River (49.5°N, -66.5°W) by GS U-132 (1941) with the loss of four of her 38 crew. She sank on 9 July at 49.25°N, -66.71667°W). Survivors were rescued by HMCS Drummondville (J253).
 * SS Hainaut (🇧🇪 Belgium): World War II: Convoy QS 15: The cargo ship was torpedoed and sunk in the Gulf of Saint Lawrence (49.21667°N, -66.71667°W) by GS U-132 (1941) with the loss of one of her 45 crew.
 * SS Hero (1918) (🇳🇴 Norway): World War II: The cargo ship was torpedoed and sunk in the Mediterranean Sea (32.38333°N, 34.58333°W) by GS U-375 with the loss of 30 of her 43 crew. The wreck was raised in March 1944 and scrapped.
 * SS John Witherspoon (🇺🇸 United States): World War II: Convoy PQ 17: The Liberty ship was torpedoed and sunk in the Barents Sea (72.08333°N, 48.5°W) by GS U-255 with the loss of one of her 50 crew. Survivors were rescued by SS El Capitan (🇵🇦 Panama), HMS La Malouine (K46) and HMT Lord Austin (FY220) (both ).
 * Lalita (🇵🇦 Panama): World War II: The fishing vessel was shelled and sunk in the Yucatan Channel (21.75°N, -86.66667°W) by GS U-154 (1941) . All crew survived.
 * SS Mundra (🇸🇪 Sweden): World War II: The cargo ship was torpedoed and sunk in the Indian Ocean by JAPANESE SUBMARINE I-18.
 * JAPANESE TENDER Shinsho Maru : World War II: The Destroyer Tender was torpedoed and sunk in the Pacific Ocean between Midway Atoll and Wotje Atoll by USS Thresher (SS-200).
 * GS U-502 : World War II: The Type IXC submarine was depth charged and sunk in the Bay of Biscay west of La Rochelle, Charente-Maritime, France (46.16667°N, -6.66667°W) by a Vickers Wellington aircraft of 172 Squadron, Royal Air Force with the loss of all 52 crew.

7 July

 * SS Alcoa Ranger (🇺🇸 united states): World War II: Convoy PQ 17: The Design 1022 cargo ship was torpedoed and sunk in the Barents Sea (71.63333°N, 49.58333°W) by GS U-255 . All 40 crew were rescued by two Soviet Navy patrol boats.
 * SS Else Marie (🇳🇴 Norway): World War II: The cargo ship was bombed and sunk in the Barents Sea off Vardø, Finnmark by Soviet Air Force aircraft with the loss of thirteen crew.
 * SS Hartlebury (🇬🇧 United Kingdom): World War II: Convoy PQ 17: The cargo ship was torpedoed and sunk in the Barents Sea (72.5°N, 52°W) by GS U-355 with the loss of 38 of her 58 crew.
 * SS Rufus King (🇺🇸 United States): World War II: The Liberty ship ran aground on Moreton Island, Queensland, Australia and broke in two. The bow section was salvaged by the Commonwealth Marine Salvage Board, taken over by the U.S. Army Small Ships Section and equipped with vertical boiler for power, a machine shop used for repairing vessels and bunkers for coal and fuel oil for refueling them. Given the number S-129 and dubbed "Half Rufus" the salvaged bow was towed to Milne Bay arriving 21 June 1944 and then Finschhafen where repair equipment was transferred to a barge in April 1945 and the bow section then used as a coal hulk.
 * GS U-701 : World War II: The Type VIIC submarine was depth charged and sunk in the Atlantic Ocean off Cape Hatteras, North Carolina, United States (34.83333°N, -74.91667°W) by a Lockheed Hudson aircraft of the United States Navy with the loss of 39 of her 46 crew.
 * SS Umtata (🇬🇧 United Kingdom): World War II: The cargo liner was torpedoed and sunk in the Atlantic Ocean north west of Key West, Florida, United States (25.58333°N, -80.03333°W) by GS U-571 . All 92 crew were rescued by USCGC Thetis (WPC-115).

8 July

 * SS Hartismere (🇬🇧 United Kingdom): World War II: The cargo ship was torpedoed and sunk in the Indian Ocean (-18°N, 41.36667°W) by JAPANESE SUBMARINE I-10 . All 47 crew survived.
 * SS J. A. Moffett, Jr. (🇺🇸 United States): World War II: The tanker was torpedoed and damaged in the Atlantic Ocean 3 nmi off the Tennessee Reef, Florida (24.78333°N, -80.7°W) by GS U-571 . She later ran aground on the reef with the loss of her captain. The other 42 crew were rescued by Mary Jean, USCGC Nike (WPC-112) and Southbound (all ). J. A. Moffett, Jr. was refloated in October 1942 and towed to Key West, Florida, where she was declared a total loss. She was scrapped at Galveston, Texas in January 1943.
 * SS Olopana (🇺🇸 United States): World War II: Convoy PQ 17: The Design 1015 cargo ship was torpedoed, shelled and sunk in the Barents Sea (72.16667°N, 51°W) by GS U-255 with the loss of seven of her 41 crew.

9 July

 * SS Bokn (1890) (🇳🇴 Norway): World War II: Convoy WP 183: The coaster was torpedoed and sunk in Lyme Bay by GERMAN TORPEDO BOAT S-70 with the loss of twelve of her sixteen crew.
 * MV Cape Verde (🇬🇧 United Kingdom): World War II: The cargo ship was torpedoed and sunk in the Atlantic Ocean east of Grenada (11.53333°N, -60.28333°W) by GS U-203 with the loss of two of her 42 crew.
 * SS El Capitan (🇵🇦 Panama): World War II: Convoy PQ 17: The cargo ship was torpedoed and damaged in the Barents Sea 65 nmi north east of Iokanka, Soviet Union (70.16667°N, 41.66667°W) by Junkers Ju 88 aircraft of II and III Staffeln, KG 30, Luftwaffe. All 67 people on board, including the nineteen survivors from SS John Witherspoon (🇺🇸 United States) were rescued by HMT Lord Austin (FY220), which attempted to scuttle the wreck. El Capitan was torpedoed and sunk on 10 July at 69.38333°N, 40.83333°W) by GS U-251.
 * SS Empire Explorer (🇬🇧 United Kingdom): World War II: The cargo ship was torpedoed and sunk in the Caribbean Sea off Grenada 11.66667°N, -60.91667°W by GS U-575 with the loss of three of her 78 crew.
 * SS Hoosier (🇺🇸 United States): World War II: Convoy PQ 17: The Design 1022 cargo ship was bombed and damaged in the Barents Sea 65 nmi north east of Iokanka, Soviet Union by Junkers Ju 88 aircraft of II and III Staffelns, KG26, Luftwaffe. All 53 crew abandoned ship and were rescued by HMS Poppy (K213) . Hoosier was taken in tow by HMCS La Malouine (K46) but salvage attempts were abandoned when GS U-255  was spotted. An attempt was made to scuttle the by HMS Poppy. Hoosier was torpedoed and sunk the next day (69.41667°N, 38.58333°W) by GS U-376.
 * SS Kongshaug (1898) (🇳🇴 Norway): World War II: Convoy WP 183: The cargo ship was torpedoed and sunk in the English Channel 50 nmi north west of Alderney, Channel Islands by GERMAN TORPEDO BOAT S-48 with the loss of eight of her twenty crew. Survivors were rescued by HMS Brocklesby (L42).
 * HMT Manor : World War II: Convoy WP 183: The naval trawler was torpedoed and sunk in the English Channel off Devon by GERMAN TORPEDO BOAT S-67 with the loss of 29 of her 30 crew.
 * SS Margareta (1884) (🇸🇪 Sweden): World War II: The cargo ship was torpedoed and sunk in the Baltic Sea by S-7.
 * SS Nicholas Cuneo (🇭🇳 Honduras): World War II: The cargo ship was shelled and sunk in the Gulf of Mexico (23.9°N, -82.55°W) by GS U-571 with the loss of one of her twenty crew.
 * SS Pomella (🇬🇧 United Kingdom): World War II: Convoy WP 183: The tanker was torpedoed and sunk in the English Channel off Devon by GERMAN TORPEDO BOAT S-67.
 * SS Reggestrom (🇳🇱 Netherlands): World War II: Convoy WP 183: The tanker was torpedoed and sunk in the English Channel off Devon by GERMAN TORPEDO BOAT S-50.
 * SS Røsten (🇳🇴 Norway): World War II: Convoy WP 183: The cargo ship was torpedoed and sunk in the English Channel off Devon by GERMAN TORPEDO BOAT S-109 with the loss of six of her eighteen crew. Survivors were rescued by HMS Brocklesby (L42)  and SS Gripfast (1910) (🇬🇧 United Kingdom).
 * SS Santa Rita (1941) (🇺🇸 United States): World War II: The cargo ship was torpedoed, shelled and sunk in the Caribbean Sea (26.18333°N, -55.66667°W) by GS U-172 with the loss of four of her 63 crew. Survivors were rescued by a USS Livermore (DD-429), USS Mayo (DD-422) (both ) and a United States Army Air Forces rescue boat.
 * SS Triglav ( undefined): World War II: The cargo ship was torpedoed and sunk in the Atlantic Ocean 800 nmi east south east of the Bahamas (26.78333°N, -48.16667°W) by GS U-66 (1940) with the loss of 24 of her 43 crew.

10 July

 * SS Benjamin Brewster (🇺🇸 United States): World War II: The tanker was torpedoed and sunk in the Gulf of Mexico off Grand Isle, Louisiana by GS U-67 (1940) with the loss of 25 of her 40 crew. The wreck was salvaged in September 1951 and scrapped.

11 July

 * SS Brook (1926) (🇩🇪 Germany): World War II: The cargo ship was bombed and sunk by aircraft off Mersa Matruh, Egypt.
 * Carmen (🇩🇴 Dominican Republic): World War II: The two-masted schooner was shelled and sunk in the Atlantic Ocean 8 nmi north of Gaspar Hernández (19.71667°N, -70.2°W) by GS U-166 (1941) with the loss of one of her eight crew.
 * SS Landego (🇳🇴 Norway): World War II: The cable layer struck a mine and sank in the Barents Sea (68.875°N, 16.25667°W) with the loss of nine of the eighteen people on board.
 * MS Luleå (🇸🇪 Sweden): World War II: The cargo ship was torpedoed and sunk in the Baltic Sea near Kungsgrundet by S-7.
 * Ondina : World War II: The Sirena-class submarine was sunk 60 miles west of Beirut, French Syria-Lebanon (34.58333°N, 34.93333°W) by Naval Whalers HMSAS Protea and HMSAS Southern Maid (both) and a Royal Navy Walrus aircraft.
 * SS Stanvac Palembang (🇵🇦 Panama): World War II: The tanker was torpedoed and sunk in the Atlantic Ocean 15 nmi off Tobago (11.46667°N, -60.38333°W) by GS U-203 with the loss of five of her 50 crew. Survivors were rescued by USS PC-8.
 * GS U-136 (1941) : World War II: The Type VIIC submarine was depth charged and sunk in the Atlantic Ocean (33.5°N, -22.86667°W) by FRENCH DESTROYER Léopard, HMS Pelican (L86) and HMS Spey (K246) (both ) with the loss of all 45 crew.

12 July

 * SS Cortona (🇬🇧 United Kingdom): World War II: The cargo ship was torpedoed and sunk in the Atlantic Ocean south of the Azores, Portugal (32.75°N, -24.75°W) by GS U-116 (1941) and GS U-201 (both ) with the loss of 31 of her 54 crew. Survivors were rescued by HMS Pathfinder (G10).
 * SS Himaya Maru (🇯🇵 Japan): World War II: The cargo ship was torpedoed and sunk off Cam Ranh Bay, French Indochina (13.78333°N, 109.55°W) by USS Seadragon (SS-194).
 * HMNZS ML-1090 : World War II: The Fairmile B motor launch was being carried as deck cargo on board SS Port Hunter (🇬🇧 United Kingdom) and was lost when that ship was torpedoed and sunk in the Atlantic Ocean 370 miles south west of Madeira by GS U-582.
 * SS Port Hunter (🇬🇧 United Kingdom): World War II: The cargo ship was torpedoed and sunk in the Atlantic Ocean west of Madeira, Portugal (approximately 31°N, -24°W) by GS U-582 with the loss of 88 of the 91 people on board. Survivors were rescued by HMS Rother (K224).
 * SS Siris (🇬🇧 United Kingdom): World War II: The cargo ship was torpedoed and sunk in the Atlantic Ocean (31.33333°N, -24.8°W) by GS U-201 with the loss of three of her 55 crew. Survivors were rescued by HMS Jonquil (K68).
 * SS Shaftesbury (🇬🇧 United Kingdom): World War II: The cargo ship was torpedoed and sunk in the Atlantic Ocean 430 nmi south east of Las Palmas, Canary Islands, Spain (31.7°N, -25.5°W) by GS U-116 (1941) . The captain was taken on board U-116 as a prisoner of war. Other survivors were rescued by MV Tuscan Star (1930) (🇬🇧 United Kingdom) or reached land in their lifeboats.
 * HNLMS Terschelling : World War II: The MMS I-class minesweeper was bombed and sunk during trials off Brixham by German aircraft. Salvaged in October 1942, repaired and put in Royal Navy service.
 * SS Tachirá (🇺🇸 United States): World War II: The cargo ship was torpedoed and sunk in the Caribbean Sea 375 nmi north west of Jamaica (18.25°N, -81.75°W) by GS U-129 (1941) with the loss of five of her 38 crew.

13 July

 * SS Andrew Jackson (1920) (🇺🇸 United States): World War II: The cargo ship was torpedoed and sunk in the Gulf of Mexico 20 nmi off the Cárdenas Lighthouse, Cuba by GS U-84 (1941) with the loss of three of her 49 crew.
 * SS Mikage Maru No. 3 : World War II: The transport was in a collision off Iyo Nada, 3 miles south of Tsurishima, with SS Anzan Maru (🇯🇵 Japan), foundering later in the day.
 * SS Oneida (🇺🇸 United States): World War II: The cargo ship was torpedoed and sunk in the Atlantic Ocean 2 nmi north of Cape Maysi, Cuba (20.28333°N, -74.1°W) by GS U-166 (1941) with the loss of six of her 29 crew.
 * FRENCH SUBMARINE CHASER Rennes (: World War II: The submarine chaser was bombed and sunk by Axis forces.
 * SS R. W. Gallagher (🇺🇸 United States): World War II: The tanker was torpedoed and sunk in the Gulf of Mexico (28.83333°N, -91.08333°W) by GS U-67 (1940) with the loss of ten of her 52 crew. Survivors were rescued by USCGC Boutwell (WPC-130).
 * Shinyo Maru : World War II: The transport was torpedoed and sunk in the South China Sea 10 nmi northeast of Cape Varella, French Indochina (13.08333°N, 109.48333°W) by USS Seadragon (SS-194) . 1 crewman killed.
 * SS Sithona (🇬🇧 United Kingdom): World War II: The cargo ship was torpedoed and sunk in the Atlantic Ocean west of the Canary Isles, Spain (approximately 29°N, -25°W) by GS U-201 with the loss of seven of her 53 crew. Survivors were rescued by a Spanish fishing vessel or reached land in their lifeboat.
 * GS U-153 (1941) : World War II: The Type IXC submarine was depth charged and sunk in the Atlantic Ocean off Colón, Panama (9.76667°N, -81.48333°W) by USS Lansdowne (DD-486) with the loss of all 52 crew.

14 July

 * SS Arcata (🇺🇸 United States): World War II: The cargo ship was shelled and damaged in the Gulf of Alaska by JAPANESE SUBMARINE I-7 with the loss of eight crew. She sank the next day. Survivors were rescued by USS Kane (DD-235).
 * TURKISH SUBMARINE Atilay : World War II: The Ay Class submarine hit a mine and sank with the loss of all hands.
 * Pietro Calvi : World War II: The Calvi-class Submarine was rammed and sunk in the Atlantic Ocean north west of the Canary Islands(30.58333°N, -25.96667°W) by HMS Lulworth.
 * SOVIET SUBMARINE ShCh-317 : World War II: The ShCh-class submarine was damaged by Kriegsmarine Patrol Ships and later in the day sunk in the Gulf of Finland by Ruotsinsalmi and patrol boat VMV 6 (both ).

15 July

 * SS Bluefields (🇳🇮 Nicaragua): World War II: Convoy KS 520: The cargo ship was torpedoed and sunk in the Atlantic Ocean (34.76667°N, -72.36667°W) by GS U-576 . All 24 crew survived.
 * SS British Yeoman (🇬🇧 United Kingdom): World War II: The tanker was torpedoed and sunk in the Atlantic Ocean south west of the Canary Islands, Spain (26.76667°N, -24.33333°W) by GS U-201 with the loss of 43 of her 53 crew. Survivors were rescued by SS Castillo Almenara (🇪🇸 Spain).
 * JAPANESE SUBMARINE CHASER CH-25 : World War II: The CH-13 Class Submarine Chaser was torpedoed and sunk west of Sredni Point, Kiska (52.03333°N, 177.7°W) by USS Grunion (SS-216) . Lost with all hands.
 * JAPANESE SUBMARINE CHASER CH-27 : World War II: The CH-13 Class Submarine Chaser was torpedoed and sunk west of Sredni Point, Kiska (52.03333°N, 177.7°W) by USS Grunion (SS-216) . Lost with all hands.
 * SS Chilore (🇺🇸 United States): World War II: Convoy KS 520: The cargo ship was torpedoed and damaged in the Atlantic Ocean (34.78333°N, -72.36667°W) by GS U-576 . She then ran into a minefield and was struck by two mines with the loss of two of the 56 people on board. All except her captain abandoned ship and were rescued by a United States Coast Guard vessel. Chilore was beached in Hatteras Inlet (36.95°N, -76°W). She was later taken in to by a United States Navy ship, but capsized on 24 July in Chesapeake Bay and sank. The wreck was scrapped in 1954.
 * MV Empire Attendant (🇬🇧 United Kingdom): World War II: The cargo liner was torpedoed and sunk in the Atlantic Ocean south west of the Canary Islands, Spain (23.8°N, -21.85°W) by U-582 with the loss of all 59 crew.
 * SS Hakodate Maru (🇯🇵 Japan): World War II: The transport ship was torpedoed and sunk in the South China Sea north of Cape Varella, French Indochina (15.91667°N, 109.48333°W) by USS Seadragon (SS-194).
 * MV J. A. Mowinckel (🇵🇦 Panama): World War II: Convoy KS 520: The tanker was torpedoed and damaged in the Atlantic Ocean (33.73333°N, -75.31667°W) by GS U-576 with the loss of two of her 59 crew. She then struck a mine and was abandoned by the survivors. J. A. Mowinckel was towed to the Hatteras Inlet on 20 July and beached. After surviving hitting another mine on 23 July, she was towed to Baltimore, Ohio. Later repaired and returned to service in March 1943.
 * SS Pennsylvania Sun (🇺🇸 United States): World War II: The tanker was torpedoed and damaged in the Gulf of Mexico (24.08333°N, -83.7°W) by GS U-571 with the loss of two of her 59 crew. Survivors abandoned the burning ship and were rescued by USS Dahlgren (DD-187) . The next day, five of her crew and a salvage party from USS Willett (ARS-12)  reboarded the ship, extinguised the fire and she was towed to Chester, Pennsylvania. Later repaired and returned to service.
 * SS Thurso (🇬🇧 United Kingdom): World War II: The cargo ship was torpedoed and sunk in the Atlantic Ocean 300 nautical miles to the west of Cape Finisterre by U-552 with the loss of 13 crew.
 * GS U-576 : World War II: The Type VIIC submarine was depth charged off Cape Hatteras, North Carolina, United States by two Vought Kingfisher aircraft of the United States Navy and then shelled and sunk (34.85°N, -75.36667°W) by MV Unicoi (🇺🇸 United States) with the loss of all 45 crew.

16 July

 * SS Beaconlight (🇵🇦 Panama): World War II: The tanker was torpedoed and damaged in the Caribbean Sea north of Trinidad (10.98333°N, -61.08333°W) by GS U-160 (1941) with the loss of one of her 41 crew. Survivors were rescued by Trinidad (flag unknown). Beaconlight was scuttled by HMS Roode Zee (W162).
 * SS Fairport (1941) (🇺🇸 United States): World War II: Convoy AS 4: The Type C2-S-E1 cargo ship was torpedoed and sunk in the Atlantic Ocean (27.16667°N, -64.55°W) by GS U-161 (1941) . All 123 people on board were rescued by USS Kearney (DD-432).
 * Gertrude (🇺🇸 United States): World War II: The fishing vessel was shelled and sunk in the Gulf of Mexico 30 nmi north of Havana, Cuba (23.53333°N, -83°W) by GS U-166 (1941) . All three crew survived.
 * SS William F. Humphrey (🇺🇸 USA): World War II: The cargo ship was torpedoed and sunk in the South Atlantic by GERMAN AUXILIARY CRUISER Michel . Eleven survivors were rescued by MV Triton (1930) (🇳🇴 Norway).

17 July

 * MV Aramis (1931) (🇳🇴 Norway): World War II: The tanker was torpedoed, shelled and sunk in the Atlantic Ocean (-5.25°N, -3.85°W) by Michel . Twenty-three of her 43 crew were taken on board Michel as prisoners of war.
 * GS U-751 : World War II: The Type VIIC submarine was depth charged and sunk in the Atlantic Ocean off Cape Ortegal, Spain (45.23333°N, -12.36667°W by an Armstrong Whitworth Whitley and an Avro Lancaster aircraft of 61 and 502 Squadrons, Royal Air Force with the loss of all 48 crew.

18 July

 * SS Carmona (🇵🇦 Panama): World War II: The cargo ship was torpedoed and sunk in the Atlantic Ocean (10.96667°N, -61.33333°W) by GS U-160 (1941) with the loss of four of her 35 crew. Survivors were rescued by USS YPC-68.
 * Comrade (🇬🇧 United Kingdom): World War II: The schooner was shelled and sunk in the Atlantic Ocean (11.33333°N, -58.83333°W by GS U-575 . All crew survived.
 * Glacier (🇬🇧 United Kingdom): World War II: The schooner was shelled and sunk in the Atlantic Ocean (10.83333°N, -58.96667°W by GS U-575 . All ten crew survived.
 * SS Lavington Court (🇬🇧 United Kingdom): World War II: The cargo ship was torpedoed and damaged. She was taken under tow, but sank on 1 August.

19 July

 * SS Baja California (🇭🇳 Honduras): World War II: The cargo ship was torpedoed and sunk in the Gulf of Mexico (25.23333°N, -82.45°W) by GS U-84 (1941) with the loss of three of her 37 crew. Survivors were rescued by the fishing schooner San Ignacio (🇨🇺 Cuba).
 * SS Empire Hawksbill (🇬🇧 United Kingdom): World War II: Convoy OS 34: The Design 1019 cargo ship was torpedoed and sunk in the Atlantic Ocean (42.48333°N, -25.93333°W) by GS U-564 with the loss of all 47 crew.
 * SS Havørn (1902) 🇳🇴 Norway): The cargo ship was in collision in the Saint Lawrence River (47.38583°N, -70.45194°W) with SS Radhurst (🇬🇧 United Kingdom) and sank. All nineteen crew survived.
 * MV Lavington Court (🇬🇧 United Kingdom): World War II: Convoy OS 34: The cargo ship was torpedoed and damaged in the Atlantic Ocean (42.63333°N, -25.46667°W) by GS U-564 with the loss of seven of the 48 people on board. She was taken in tow but foundered on 1 August (49.66667°N, -18.06667°W). Survivors were rescued by HMS Wellington (L65).
 * SS Leonidas M (🇬🇷 Greece): World War II: The cargo ship was torpedoed and sunk in the Atlantic Ocean (37.01667°N, -52.06667°W) by GS U-332 . All 31 crew survived; two of them were taken on board U-332 as prisoners of war.
 * HMS Malines : World War II: The Convoy Escort Vessel was torpedoed by German aircraft and beached near Port Said, Egypt. She was refloated in January, 1943 and used as a training hulk through the end of the War, scrapped unrepaired post War.
 * SS Port Antonio (1913) (🇳🇴 Norway): World War II: The cargo ship was torpedoed and sunk in the Atlantic Ocean 48 nmi off Cayo Jutías, Cuba by GS U-129 (1941) with the loss of thirteen of her 24 crew.
 * Store Bill (🇳🇴 Norway): World War II: The motor cutter was bombed and sunk at Honningsvåg, Finnmark by Soviet Air Force aircraft with the loss of all five crew.

20 July

 * SS Frederika Lensen (🇬🇧 United Kingdom): World War II: Convoy QS 19: The cargo ship was torpedoed and damaged in the Gulf of Saint Lawrence (49.36667°N, -65.2°W) by GS U-132 (1941) with the loss of four of her 46 crew. She was beached in Grand Vallée Bay but was declared a constructive total loss as her back was broken. Thirty-six survivors were rescued by HMCS Weyburn (K173) (, others landed at Grand Vallée Bay.
 * MV Herstein (1938) (🇳🇴 Norway): World War II: The cargo ship was bombed and damaged at Rabaul, New Britain by Japanese aircraft. She was set on fire and burnt out, a total loss.
 * SS Indus (1940) (🇬🇧 United Kingdom): World War II: The cargo ship was sunk in the Indian Ocean by GERMAN AUXILIARY CRUISER Thor.

21 July

 * MV Donovania (🇬🇧 United Kingdom): World War II: The tanker was torpedoed and sunk in the Atlantic Ocean off Grand Matelot Point, Trinidad (10.93333°N, -61.16667°W) by GS U-160 (1941) with the loss of five of her 50 crew. Survivors were rescued by USS Livermore (DD-429) ( and Royal Navy Motor Torpedo Boats.
 * HMS MGB 328 (MGB328) : World War II: The Fairmile C motor gun boat was shelled and sunk by Kriegsmarine surface ships in the Dover strait.
 * SS William Cullen Bryant (🇺🇸 United States): World War II: The Liberty Ship was torpedoed and damaged in the Gulf of Mexico by GS U-84 (1941) and was abandoned by her 54 crew. She was later reboarded and taken in tow by ST Moran (🇺🇸 United States) and USS Willett (ARS-12) ( and reached Key West, Florida on 23 July. Later repaired and returned to service in March 1944.
 * SS William Dawes (🇺🇸 United States): World War II: The Liberty ship was torpedoed and sunk in the Pacific Ocean off Sydney, New South Wales, Australia (-36.78333°N, 150.26667°W) by JAPANESE SUBMARINE I-11.

22 July

 * JAPANESE TROOP TRANSPORT Ayatosan Maru : World War II: The Troop Transport was bombed and sunk by US Army B-17s and B-26s at Buna, New Guinea.
 * SS Honolulan (1921) (🇺🇸 United States): World War II: The Design 1033 cargo ship was torpedoed and sunk in the Atlantic Ocean 400 nmi south of the Cape Verde Islands, Portugal (8.68333°N, -22.2°W) by GS U-582 . All 39 crew were rescued by MV Winchester Castle (🇬🇧 United Kingdom).
 * USS Southern Seas (PY-32) (U.S. Army): The troop transport struck an uncharted reef 22 July 1942 at Taruia Pass en route to Penrhyn Island. She was subsequently salvaged by the United States Navy, repaired and entered naval service on 23 December 1942.
 *  Urious (🇨🇴 Colombia): World War II: The three-masted schooner was shelled and sunk in the Caribbean Sea off Cayo Bólivar (12.4°N, -81.46667°W) by GS U-505 with the loss of thirteen crew.
 *  Vassiliki (🇬🇷 Greece): World War II: The schooner was shelled and sunk in the Mediterranean Sea (34.75°N, 34.58333°W) by GS U-77 (1940) . All crew survived.

23 July

 * SS Garmula (🇬🇧 United Kingdom): World War II: The cargo ship was torpedoed and sunk in the Atlantic Ocean 200 nmi south west of Freetown, Sierra Leone (5.53333°N, -14.75°W) by GS U-752 with the loss of 21 of her 88 crew. Survivors were rescued by HMT Pict (FY132).
 * SS Onondaga (🇺🇸 United States): World War II: The cargo ship was torpedoed and sunk in the Atlantic Ocean 5 nmi north of Cayo Guillermo, Cuba (22.66667°N, -78.73333°W) by GS U-129 (1941) with the loss of twenty of her 34 crew. Survivors were rescued by the fishing vessel Laventina (🇨🇺 Cuba).

24 July

 * HMS MGB 601 : World War II: The  sank at Dover after an explosion and fire, possibly from battle damage suffered on the night of the 20/21st.
 * Toufic El Rahman ( Syria): World War II: The sailing ship was shelled and sunk in the Mediterranean Sea 30 nmi east of Cape Greco, Crete by GS U-77 (1940) . All crew survived.
 * GS U-90 (1941) : World War II: The Type VIIC submarine was depth charged and sunk in the Atlantic Ocean (48.2°N, -40.93333°W) by HMCS St. Croix (I81) with the loss of all 44 crew.

25 July

 * SS Broompark (🇬🇧 United Kingdom): World War II: Convoy ON 113: The cargo ship was torpedoed and damaged in the Atlantic Ocean west of Newfoundland (49.03333°N, -40.43333°W) by GS U-552 with the loss of four of her 42 crew. Survivors were rescued by HMCS Brandon (K149) . Broompark was taken in tow by USS Cherokee (AT-66)  but foundered on 28 July at 47.68333°N, -51.83333°W).
 * HMT Laertes : World War II: The naval trawler was torpedoed and sunk in the Atlantic Ocean off Freetown, Sierra Leone (6°N, -14.28333°W) by GS U-201 with the loss of nineteen crew.
 * Lucille M (🇨🇦 Canada): World War II: The fishing vessel was shelled and sunk in the Atlantic Ocean off Cape Sable Island, Nova Scotia (42.03333°N, -65.63333°W) by GS U-89 (1941) . All eleven crew survived.
 * RFA Tankexpress : World War II: The tanker was torpoedo and sunk in the Atlantic Ocean south of the Cape Verde Islands, Portugal (10.08333°N, -26.51667°W) by GS U-130 (1941) . All 39 crew were rescued by HMS Lightning (G55).
 * SS Telamon (🇳🇱 Netherlands): World War II: The cargo ship was torpedoed and sunk in the Atlantic Ocean (9.25°N, -59.9°W) by GS U-160 (1941) with the loss of 23 of her 37 crew. Survivors were rescued by SS Canadoc (🇬🇧 United Kingdom).
 * MS Tjinegara (🇳🇱 Netherlands): World War II: The Dutch ship was allocated by the War Shipping Administration to the United States Army and converted as an animal transport. The ship was manned by Dutch officers and a Lascar crew and, after delivering a cargo of mules, loaded 400 horses in Australia for delivery to New Caledonia. The ship was torpedoed at about 11:20 p.m. and sunk in the Pacific Ocean 75 nmi south west of Noumea by JAPANESE SUBMARINE I-169  with loss of all horses. Thirty-six survivors, all the ship's personnel, were rescued by USS Worden (DD-352).

26 July

 * SS Empire Rainbow (🇬🇧 United Kingdom): World War II: Convoy ON 113: The CAM ship was torpedoed and sunk in the Atlantic Ocean (47.13333°N, -42.95°W) by GS U-607 and GS U-704 (both ). Survivors were rescued by HMS Burnham (H82) and HMCS Dauphin (K157).
 * SS Oaxaca (🇲🇽 Mexico): World War II: The cargo ship was torpedoed and sunk in the Gulf of Mexico off Corpus Christi, Texas, United States (28.38333°N, -96.13333°W) by GS U-171 with the loss of six of her 45 crew.
 * SS Tamandaré (🇧🇷 Brazil: World War II: The Design 1022 cargo ship was torpedoed and sunk in the Caribbean Sea off Trinidad (11.56667°N, -60.5°W) by GS U-66 (1940) with the loss of four of her 49 crew. Survivors were rescued by USS PCC-492.

27 July

 * SS Elmwood (🇬🇧 United Kingdom): World War II: The cargo ship was torpedoed and sunk in the Atlantic Ocean (4.8°N, -22°W) by GS U-130 (1941) . All 51 crew were rescued by SS Davy Crockett (🇺🇸 United States).
 * SS Leikanger (🇳🇴 Norway): World War II: The cargo ship was torpedoed and sunk in the Atlantic Ocean (approximately 4°N, -18°W) by GS U-752 with the loss of eighteen of her 31 crew. Survivors were rescued by SS Harry Luckenbach (🇺🇸 United States).
 * HMS MGB 501 : World War II: The Motor Gunboat sank off Land's End after an explosion.
 * SS Stella Lykes (🇺🇸 United States): World War II: The cargo ship was torpedoed and sunk in the Atlantic Ocean 500 nmi south of the Cape Verde Islands, Portugal (6.66667°N, -25.08333°W) by GS U-582 with the loss of one of her 53 crew. Two survivors were taken on board U-582 as prisoners of war.

28 July

 * JAPANESE DESTROYER Ariake : World War II: The  was bombed and sunk by US Army B-25s off Cape Gloucester, New Britain, (-5.45°N, 148.41667°W) when she went to the aid of grounded Destroyer Mikazuki.
 * SS Barbacena (🇧🇷 Brazil): World War II: The cargo ship was torpedoed and sunk in the Atlantic Ocean (13.16667°N, -56°W) by GS U-155 (1941) with the loss of six of her 62 crew. Survivors were rescued by SS Elmdale, SS San Fabian (both 🇬🇧 United Kingdom) and SS Tacito (🇦🇷 Argentina).
 * Ebb (🇺🇸 United States): World War II: The trawler was shelled and sunk in the Atlantic Ocean 45 nmi west of Cape Sable, Nova Scotia, Canada by GS U-754 with the loss of five of her seventeen crew. Survivors were rescued by HMS Witherington (D76).
 * Mikazuki : World War II: The Mutsuki-class destroyer  destroyer, ran aground on a reef off Cape Gloucester, New Britain,(-5.45°N, 148.41667°W) and was then bombed and destroyed by US Army B-25s.
 * SS Piave (🇧🇷 Brazil): World War II: The tanker was torpedoed, shelled and sunk in the Atlantic Ocean 100 nmi off Barbados (12.5°N, -55.81667°W) by GS U-155 (1941) with the loss of one of her 35 crew.
 * MV Weirbank (🇬🇧 United Kingdom): World War II: The cargo ship was torpedoed and sunk in the Atlantic Ocean (11.48333°N, -58.85°W by GS U-66 (1940) with the loss of one of her 67 crew.

29 July

 * SS Bill (1938) (🇳🇴 Norway): World War II: The cargo ship was torpedoed and sunk in the Atlantic Ocean (11.96667°N, -55.03333°W) by GS U-155 (1941) with the loss of one of her 24 crew. Her captain was taken on board U-155 as a prisoner of war. Seven survivors were rescued by SS West Durfee (🇺🇸 United States), the others reached land in their lifeboats.
 * SS Brazil Maru (🇯🇵 Japan): World War II: The transport ship was torpedoed and sunk in the Pacific Ocean off Truk, South Pacific Mandate by USS Greenling (SS-213).
 * SS Prescodoc (🇨🇦 Canada): World War II: The cargo ship was torpedoed and sunk in the Atlantic Ocean north west of Georgetown, British Guiana (8.83333°N, -59.08333°W) by GS U-160 (1941) with the loss of sixteen of her 21 crew. Survivors were rescued by SS Predsednik Kopajtic ( undefined).

30 July

 * Amina (🇪🇬 Egypt): World War II: The sailing ship was shelled and sunk in the Mediterranean Sea 80 nmi south of Cyprus by GS U-375.
 * SS Cranford (🇺🇸 United States): World War II: The cargo ship was torpedoed and sunk in the Atlantic Ocean 250 nmi east of Barbados (12.28333°N, -55.18333°W) by GS U-155 (1941) with the loss of eleven of her 47 crew. Survivors were rescued by SS Castillo Alemenara (🇪🇸 Spain).
 * MV Danmark (1925) (🇬🇧 United Kingdom): World War II: The cargo ship was torpedoed and sunk in the Atlantic Ocean (7°N, -24.31667°W) by GS U-130 (1941) . All 46 crew were rescued by MV Mosli (🇳🇴 Norway).
 * Ekbal (🇪🇬 Egypt): World War II: The sailing ship was shelled, rammed and sunk in the Mediterranean Sea 80 nmi south of Cyprus by GS U-375.
 * Fany (🇪🇬 Egypt): World War II: The sailing ship was torpedoed and sunk in the Mediterranean Sea by GS U-77 (1940). All ten crew survived.
 * SS Ferdinand Bol (🇳🇱 Netherlands): The cargo ship collided with in the Atlantic Ocean (45.35°N, -59.46667°W) with SS Norse King (1920) (🇳🇴 Norway) and sank.
 * SS Pacific Pioneer (🇬🇧 United Kingdom): World War II: Convoy ON 113: The cargo ship was torpedoed and sunk in the Atlantic Ocean south west of Sable Island, Nova Scotia, Canada (43.5°N, -60.58333°W) by GS U-132 (1941) . All 71 people on board were rescued by HMCS Calgary (K231).
 * SS Palau Maru (🇯🇵 Japan): World War II: The cargo ship was torpedoed and sunk off Truk, South Pacific Mandate by USS Greenling (SS-213).
 * SS Robert E. Lee (1924) (🇺🇸 United States): World War II: The passenger ship was torpedoed and sunk in the Gulf of Mexico 25 nmi off the mouth of the Mississippi River (28.66667°N, -88.7°W) by GS U-166 (1941) with the loss of 25 of the 404 people on board. Survivors were rescued by USS PC-566, USS SC-519 (both ) and ST Underwriter (🇺🇸 United States).
 * GS U-166 (1941) : World War II: The Type IXC submarine was depth charged and sunk in the Gulf of Mexico (28.08333°N, -89°W) by USS PC-566 with the loss of all 52 crew.

31 July

 * USS Grunion (SS-216) : World War II: The Gato-class submarine was shelled and sunk in the Pacific Ocean off Kiska, Alaska (52.23778°N, 177.41806°W by JAPANESE TRANSPORT Kano Maru with the loss of all 60 crew.
 * U-213 : World War II: The Type VIID submarine was sunk in the Atlantic Ocean east of the Azores, Portugal (36.75°N, -26.83333°W) by HMS Erne (U03), HMS Rochester (L50), and HMS Sandwich (L12) (all ) with the loss of all 50 crew.
 * GS U-588 : World War II: The Type VIIC submarine was depth charged and sunk in the Atlantic Ocean north east of Newfoundland(49.98333°N, -36.6°W) by HMCS Skeena (D59) and HMCS Wetaskiwin (K175) (both ) with the loss of all 46 crew.
 * GS U-754 : World War II: The Type VIIC submarine was depth charged and sunk in the Atlantic Ocean south east of Yarmouth, Nova Scotia (43.03333°N, -64.86667°W by a Lockheed Hudson aircraft of 113 Squadron, Royal Canadian Air Force with the loss of all 43 crew.

Unknown date

 * TURKISH SUBMARINE Saldary : The submarine foundered in the Dardanelles off Chanak with 57 crew on board.