List of shipwrecks in August 1944

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

2 August

 * USS Fiske (DE-143) : World War II: The Edsall-class destroyer escort was torpedoed and sunk in the Atlantic Ocean (47.18333°N, -33.48333°W) by GS U-804 with the loss of 33 of her 209 crew.
 * SS Konei Maru (🇯🇵 Japan): World War II: The cargo ship was torpedoed and sunk in the Pacific Ocean south west of Nagoya (33.61667°N, 136.33333°W) by USS Tautog (SS-199).

3 August

 * SS Elisabeth Dal (🇬🇧 United Kingdom): World War II: Convoy HX 300: The cargo ship collided with SS Jacksonville (🇺🇸 United States) and was a total loss.
 * SS Samlong (🇬🇧 United Kingdom): World War II: The Liberty ship was torpedoed and damaged in the English Channel off Normandy, France. She was declared a constructive total loss.
 * HMS Quorn (L66) : World War II: The Hunt-class destroyer was torpedoed and sunk off Normady by a Kriegsmarine Neger torpedo device or by an explosive motorboat.

4 August

 * JAPANESE TRANSPORT Enju Maru : World War II: Convoy 4804: The Transport was sunk in the Pacific Ocean 50 nmi north west of Chichijima 27.08333°N, 142.18333°W by US Navy aircraft. 21 passengers and 52 crewmen killed.
 * HMT Gairsay (T290) : World War II: The Isles-class Naval trawler was sunk by a Kriegsmarine explosive motorboat off Normandy.
 * GERMAN MINESWEEPER M-422 : World War II: The minesweeper was bombed and sunk by aircraft off Saint-Malo, France.
 * JAPANESE DESTROYER Matsu : World War II: Convoy 4804: The Matsu-class destroyer was shelled and sunk in the Pacific Ocean 50 nmi north west of Chichijima (27.66667°N, 141.8°W by USS Cogswell (DD-651), USS Ingersoll (DD-652) and USS Knapp (DD-653) (all ) with the loss of 205 of her 210 crew.
 * SS Ryoku Maru (🇯🇵 Japan): World War II: Convoy 4804: The collier was shelled and sunk in the Pacific Ocean off the Bonin Islands by USS Biloxi (CL-80).
 * NO.1 CLASS HIGH SPEED TRANSPORT Transport No. 4 : World War II: The No.1-class transport was bombed and sunk off Iwo Jima, (27.11667°N, 142.2°W) by US Navy aircraft.
 * NO.103 CLASS LANDING SHIP Transport No. 133 : World War II:  The No.103-class Landing ship was bombed and sunk off Chichi Jima, (24.78333°N, 141.33333°W)  by US Navy aircraft.
 * JAPANESE TRANSPORT Tonegawa Maru : World War II: Convoy 4804: The Transport was sunk in the Pacific Ocean north west of Chichijima by US Navy warships. 61 troops and 83 crewmen killed.
 * JAPANESE TRANSPORT Unkai Maru No. 7 : World War II: Convoy 4804: The Transport was sunk in the Pacific Ocean 50 nmi north west of Chichijima 27.08333°N, 142.18333°W  by US Navy aircraft.

5 August

 * HMS LCT 1076 (LCT1076) : World War II: The Mk 4-class Landing Craft, Tank foundered on this date. N.F.I.
 * GERMAN MINESWEEPER M-271 : World War II: The minesweeper was bombed and sunk by aircraft at Pauillac, France.
 * GERMAN MINESWEEPER M-325 : The minesweeper was bombed and sunk by aircraft at Pauillac, France.
 * MV Mefküre (🇹🇷 Turkey): World War II: The motor schooner was torpedoed and sunk at Constanţa, Romania by SOVIET SUBMARINE Shch-215 with the loss of 305 lives.
 * JAPANESE FLEET TANKER Tsurumi : World War II: The Shiretoko Class Fleet Oiler was torpedoed and sunk in Davao Gulf (5.88333°N, 125.68333°W) by USS Cero (SS-225).
 * GS U-671 : World War II: The Type VIIC submarine was depth charged and sunk in the English Channel south of Brighton, East Sussex, United Kingdom (50.38333°N, 0.1°W) by HMS Stayner (K573) and HMS Wensleydale (L86) (both ) with the loss of 47 of her 52 crew.

6 August

 * MV Empire City (🇬🇧 United Kingdom): World War II: Convoy DKA 21: The cargo ship was torpedoed and sunk in the Mozambique Channel (-11.55°N, 41.41667°W) by GS U-198 with the loss of twelve of her 70 crew. Her captain was taken aboard U-198 as a prisoner of war. The rest of the survivors reached land in their lifeboats.
 * GERMAN MINESWEEPER M-206 : World War II: The minesweeper was scuttled at Saint-Malo, France.
 * GERMAN MINESWEEPER M-263 : World War II: The minesweeper was shelled and sunk north of the Île d'Yeu, France.
 * GERMAN MINESWEEPER M-486 : World War II: The minesweeper was shelled and sunk off Les Sables-d'Olonne, France.
 * Otto (🇩🇪 Germany): World War II: The cargo ship was sunk by Royal Navy warships in the Bay of Biscay north of the Île d'Yeu, France.
 * Schnelles Geleitboot 3 : World War II: The Sans Souci-class sloop was bombed and sunk by Allied aircraft.
 * SS Shiroganesan Maru (🇯🇵 Japan): World War II: The Ore Carrier was torpedoed and sunk in the South China Sea (14.16667°N, 117.03333°W) west of Luzon, Philippines by USS Rasher (SS-269) . 15 passengers, 14 Gunners and 22 crewmen killed.
 * SS Shonan Maru (🇯🇵 Japan): World War II: The cargo ship was torpedoed and sunk in the East China Sea (30.91667°N, 129.75°W) north west of Kuroshima Island, Japan by USS Pintado (SS-387) . 5 crewmen killed.
 * GS U-471 : World War II: The Type VII submarine was bombed and sunk at Toulon, Var, France by Consolidated B-24 Liberator aircraft of the United States Army Air Forces. She was raised in 1945, repaired and entered Marine Nationale service in 1946 as Millé.
 * GS U-736 : World War II: The Type VIIC submarine was depth charged and sunk in the Bay of Biscay (47.31667°N, -4.26667°W) by HMS Loch Killin (K391) with the loss of 28 of her 47 crew.
 * GS U-952 : World War II: The Type VIIC submarine was sunk at Toulon in an American air raid.
 * GS U-969 : World War II: The Type VIIC submarine was bombed and destroyed at Toulon by American Consolidated B-24 Liberator aircraft.
 * V-414 : World War II: The vorpostenboot was sunk by Royal Navy warships in the Bay of Biscay north of the Île d'Yeu, France.
 * V-1594 : World War II: The cable ship was sunk by Royal Navy warships in the Bay of Biscay north of the Île d'Yeu, France.
 * SS Zuisho Maru (🇯🇵 Japan): World War II: The cargo ship was torpedoed and sunk in the South China Sea by USS Ray (SS-271).

7 August

 * SS Amsterdam ( undefined): The passenger ship was sunk by a mine while taking casualties from Juno Beach. 55 patients, 10 RAMC staff, 30 crew and 11 POW were lost.
 * MV Chuiloide (🇧🇷 Brazil): The cargo ship collided with SS Tiete (🇧🇪 Belgium) in the Atlantic Ocean off Santa Catarina, Brazil (-28.08333°N, -48.5°W). Both ships sank.
 * MV Empire Day (🇬🇧 United Kingdom): World War II: The cargo ship was torpedoed and sunk in the Indian Ocean off Dar es Salaam, Tanganyika (-7.1°N, 42°W) by GS U-198 . Her captain was taken aboard U-198 as a prisoner of war. The rest of her 42 crew reached land in their lifeboats.
 * JAPANESE ESCORT Kusagaki : World War II: The Mikura-class escort was torpedoed and sunk in the South China Sea (14.83333°N, 119.95°W) north west of Subic Bay, Luzon by USS Guitaro (SS-363).
 * USS LCT-182 (LCT-182) : World War II: The LCT Mk 5-class Landing Craft, Tank foundered in heavy seas in Kula Gulf in the Solomon Islands.
 * JAPANESE CRUISER Nagara : World War II: The Nagara-class cruiser was torpedoed and sunk in the East China Sea off the Amakusa Islands (32.15°N, 129.88333°W) by USS Croaker (SS-246).
 * Schnelles Geleitboot 17 : World War II: The escort ship was scuttled at Marseilles, France. Wreck scrapped in 1945.
 * SS William L. Marcy (🇺🇸 United States): World War II: The Liberty ship was torpedoed and damaged in the English Channel by Kriegsmarine schnellboots and was declared a constructive total loss.

8 August

 * SS Conte Verde : World War II: The Ocean Liner (A.K.A. Teikyo Maru) was bombed and sunk at Shanghai in the Whangpoo River by a B-24 of the 373rd Bomb Squadron. Raised by the Japanese and towed to Maizuru, Japan.
 * SS Ezra Weston (🇺🇸 United States): World War II: Convoy EBC 66: The Liberty ship was torpedoed and sunk in the Atlantic Ocean 8 nmi off Trevose Head, Cornwall (50.78333°N, -5.05°W) by GS U-667 . All 71 crew were rescued by HMT Jacques Morgand and HMS LCT-24 (both ).
 * SS Fort Yale (🇬🇧 United Kingdom): World War II: The Fort ship struck a mine and was damaged in the Atlantic Ocean (49.41667°N, -0.45°W. She was taken in tow, but was torpedoed and sunk at 50.38333°N, -0.91667°W) by GS U-480 on 23 August.
 * GERMAN MINESWEEPER M-366 : World War II: The minesweeper was bombed and sunk by aircraft off Noirmoutier, France.
 * GERMAN MINESWEEPER M-367 : World War II: The minesweeper was bombed and sunk by aircraft off Noirmoutier, France.
 * GERMAN MINESWEEPER M-428 : World War II: The minesweeper was bombed and sunk by aircraft off Noirmoutier, France.
 * GERMAN MINESWEEPER M-438 : World War II: The minesweeper was bombed and sunk by aircraft off Noirmoutier, France.
 * HMCS Regina (K234) : World War II: Convoy EBC 66: The Flower-class corvette was torpedoed and sunk in the Atlantic Ocean off Trevose Head (50.7°N, -5.05°W) by GS U-667 with the loss of 30 of her 96 crew. Survivors were rescued by HMT Jacques Morgand and HMS LCT-644 (both ).
 * GERMAN MINESWEEPER Sperrbrecher 134 : World War II: The Sperrbrecher was bombed and sunk by aircraft off Lorient. France.

9 August

 * JAPANESE CARGO SHIP Boko Maru (🇯🇵 Japan): World War II: The cargo ship was torpedoed and sunk in the East China Sea north west of Tokunoshima (27.93333°N, 128.78333°W) by USS Barbel (SS-316).
 * SS Koshin Maru (🇯🇵 Japan): World War II: The cargo ship was sunk when her cargo of ammunition exploded in the East China Sea north west of Formosa(26.16667°N, 124.25°W). 28 crewmen killed.
 * USS PT-509 (PT-509) : World War II: The ELCO 80' -class PT Boat was shelled, rammed and sunk by a Kriegsmarine Minesweeper off Jersey, the Channel Islands.
 * MV Spichern (🇩🇪 Germany): World War II: The tanker was bombed and severely damaged at Brest, Finistère, France in an Allied air raid. She was scuttled as a blockship on 31 August. She was raised in 1947, repaired and returned to service in May 1949 as the Norwegian Ringfjell.
 * JAPANESE CARGO SHIP Yagi Maru (🇯🇵 Japan): World War II: The cargo ship was torpedoed and sunk in the East China Sea north west of Tokunoshima (27.93333°N, 128.78333°W) by USS Barbel (SS-316) . 3 Gunners and 31 crewmen killed.

10 August

 * HMS LCT-1092 (LCT1092) : World War II: The LCT Mk 4-class Landing Craft, Tank sank while under tow. N.F.I.
 * Lindau : World War II: The accommodation ship was set on fire in the Loire River (47.21667°N, -1.56667°W) by German Forces and sunk by the explosion of mines being stored on the ship. She was raised in 1946 and towed to Antwerp, Belgium for scrapping.
 * GERMAN MINESWEEPER M-384 : World War II: The minesweeper was scuttled at Nantes, France.
 * MV Monsun (🇩🇪 Germany): World War II: The cargo ship was bombed and sunk at Nantes, Loire-Atlantique, France by Allied aircraft. She was refloated in March 1945, repaired and returned to service.
 * JAPANESE TANKER Shinei Maru : World War II: The Oiler was torpedoed and sunk in the South China Sea off Cape Bolinao, Luzon (16.25°N, 119.75°W) by USS Guitaro (SS-363) . 1 Crewman killed.
 * GERMAN MINESWEEPER Sperrbrecher 16 : World War II: The sperrbrecher was bombed and damaged by Allied aircraft. She sank the next day. Raised on 30 July 1946, repaired and returned to Norwegian service in February 1949 as Tulane.
 * GS U-608 : World War II: The Type VIIC submarine was depth charged and sunk in the Bay of Biscay off La Rochelle, Charente-Maritime, France (46.5°N, -3.13333°W by a Consolidated B-24 Liberator aircraft of 53 Squadron, Royal Air Force and by HMS Wren (D88) . All 52 crew survived.

11 August

 * SS Erling Lindøe (🇳🇴 Norway): World War II: The cargo ship struck a mine and sank in the Kattegat with the loss of nineteen of her 25 crew.
 * GERMAN AUXILIARY SHIP Ermland : The auxiliary ship was bombed and sunk by aircraft off Nantes, France. The wreck was raised and broken up in February 1945.
 * GERMAN MINESWEEPER M-84 : World War II: The minesweeper was scuttled at Le Havre, France.
 * U-385 : World War II: The Type VIIC submarine was depth charged and sunk in the Bay of Biscay (46.26667°N, -2.75°W) by a Short Sunderland of 461 Squadron, Royal Australian Air Force and also by HMS Starling (U66) with the loss of one of her 43 crew.
 * GS U-967 : World War II: The Type VIIC/41 submarine was scuttled at Toulon, Var, France with the loss of two crew.

12 August

 * GERMAN MINESWEEPER M-370 : World War II: The minesweeper was bombed by aircraft and beached at Royan, France.
 * GERMAN MINESWEEPER M-468 : World War II: The minesweeper struck a mine and sank north of Seter, Norway.
 * SS Marina Raskova ( Soviet Union): World War II: Convoy BD 5: The cargo ship was torpedoed and damaged in the Kara Sea by GS U-365 . She was torpedoed and sunk by U-365 the next day at 73.35°N, 67.33333°W. Survivors were rescued by SOVIET MINESWEEPER T-116 and Beriev MBR-2 aircraft of the Soviet Navy.
 * SS Mikage Maru No. 20 (🇯🇵 Japan): World War II: The cargo ship was torpedoed and sunk in the Sea of Okhotsk off Sakhalin by USS Pompon (SS-267).
 * SS Shinpo Maru (🇯🇵 Japan): World War II: The tanker was torpedoed and damaged in the South China Sea off Cape Calavite, Mindoro 13.3°N, 120.18333°W by USS Puffer (SS-268) . Towed to the beached and abandoned off Cape Calavite.
 * SOVIET MINESWEEPER T-114 : World War II: Convoy BD 5: The Admirable-class minesweeper was torpedoed and sunk in the Kara Sea (73.36667°N, 66.58333°W) by GS U-365 . Survivors were rescued by SOVIET MINESWEEPER T-116 and Beriev MBR-2 aircraft of the Soviet Navy.
 * SOVIET MINESWEEPER T-118 : World War II: Convoy BD 5: The Admirable-class minesweeper was torpedoed and sunk in the Kara Sea (73.36667°N, 66.58333°W) by GS U-365 . Survivors were rescued by SOVIET MINESWEEPER T-116 and Beriev MBR-2 aircraft of the Soviet Navy.
 * SS Teikon Maru (🇯🇵 Japan): World War II: The tanker was torpedoed and sunk in the South China Sea 13.3°N, 120.18333°W by USS Puffer (SS-268).
 * U-198 : World War II: The Type IXD2 submarine was sunk in the Indian Ocean near the Seychelles (-3.58333°N, 52.81667°W) by HMS Findhorn (K301) and   with the loss of all 66 crew and two prisoners of war. These were the captains of MV Empire City and MV Empire Day (both 🇬🇧 United Kingdom).
 * GS U-981 : World War II: The Type VIIC submarine was depth charged, mined and sunk in the Bay of Biscay at La Rochelle, Charente-Maritime, France (45.68333°N, -1.41667°W) by a Handley Page Halifax aircraft of 502 Squadron, Royal Air Force with the loss of twelve of her 52 crew.

13 August

 * USS Flier (SS-250) : World War II: The Gato-class submarine struck a mine and sank in the Balabac Strait with 12 of her 60 crew escaping the boat, but only 8 reached shore.
 * GERMAN MINESWEEPER M-383 : World War II: The minesweeper was sunk by rocket-armed aircraft off Spiekeroog, Germany.
 * SS Radbury (🇬🇧 United Kingdom): World War II: The cargo ship was torpedoed and sunk in the Mozambique Channel (-24.33333°N, 41.75°W) by GS U-862 with the loss of 23 of her 55 crew.
 * SS Toei Maru (🇯🇵 Japan): World War II: The cargo ship was torpedoed and sunk in the Pacific Ocean south of Hokkaido by USS Tambor (SS-198).
 * GS U-270 : World war II: The Type VIIC submarine was depth charged and sunk in the Bay of Biscay west of La Rochelle, Charente-Maritime, France (46.31667°N, -2.93333°W by a Short Sunderland aircraft of 461 Squadron, Royal Australian Air Force. All 71 crew survived.

14 August

 * JAPANESE TRANSPORT Asaka Maru (🇯🇵 Japan): World War II: Convoy MATA 26: The Transport was driven ashore in the Bashi Islands, north of Luzon, by a Typhoon. Later refloated and returned to service.
 * JAPANESE TRANSPORT Ikomasan Maru (🇯🇵 Japan): World War II: Convoy MATA 26: The Transport was driven ashore in the Bashi Islands, north of Luzon, by a Typhoon. Later refloated and returned to service.
 * HMS LCI(L)-99 : World War II: Convoy EBC 72: The Landing Craft, Infantry was torpedoed and sunk in the Atlantic Ocean 11 nmi south west of Hartland Point, Devon (50.93333°N, -4.78333°W) by GS U-667 with the loss of nine crew.
 * USS LST-921 : World War II: Convoy EBC 72: The landing ship was torpedoed and damaged in the Atlantic Ocean 11 nmi south west of Hartland Point (50.93333°N, -4.78333°W) by GS U-667 with the loss of 43 of her 113 crew. Survivors were rescued by HMS Londonderry (U76)  and USS LST-920 . LST-921 had lost her stern, and was towed to Falmouth, Cornwall, where she was declared a total loss. Subsequently used by the United States Army as a floating machine ship at Antwerp, Belgium.
 * HMAS ML 430 : World War II: The Fairmile B Motor Launch was shelled and sunk north of Biak, New Guinea by HMAS ML 819.
 * GERMAN MINESWEEPER M-444 : World War II: The minesweeper sank after striking a mine and being bombed by aircraft off Brest, France.
 * JAPANESE TANKER Taketsu Maru (🇯🇵 Japan): World War II: Convoy MATA 26: The Tanker (A.K.A. Butsu Maru) broke up and sank in a Typhoon off the Bashi Islands north of Luzon.
 * Transport No. 129 : World War II: The landing ship was torpedoed and sunk in the South China Sea by USS Cod (SS-224).
 * GS U-618 : World War II: The Type VIIC submarine was depth charged and sunk in the Bay of Biscay west of Saint-Nazaire, Loire-Atlantique, France (47.36667°N, -4.65°W) by HMS Duckworth (K351) and HMS Essington (K353)) (both ) and a Consolidated B-24 Liberator aircraft of 53 Squadron, Royal Air Force with the loss of all 61 crew.

15 August

 * USS LST-282 : World War II: Convoy EBC 72: The landing ship was damaged by a German glider bomb off St. Tropez. She was beached and abandoned (43.41667°N, 6.83333°W).
 * HMS LST-404 : World War II: Convoy FTM 69: The Landing Ship, Tank was torpedoed and damaged in the English Channel 35 nmi south east of St Catherine's Point, Isle of Wight (50.03333°N, -0.63333°W) by GS U-741 with the loss of seven crew. She was taken in tow by USS ATR-4  and was beached at Ryde, Isle of Wight. LST-404 later broke in two and was declared a total loss. Scrapped at Zeebrugge, West Flanders, Belgium in June 1948.
 * GERMAN MINESWEEPER M-385 : World War II: The minesweeper was shelled and sunk off Les Sables-d'Olonne, France, by HMS Mauritius (C80).
 * GERMAN MINESWEEPER M-4001 : World War II: The minesweeper was bombed and sunk by aircraft at Brest, France.
 * Richthofen : The Hans Albrecht Wedel-class seaplane tender sank at Königsberg, East Prussia during fitting out, or was shelled and sunk off Les Sables-d'Olonne, France, by HMS Mauritius (C80), or only damaged and later interned in Spain and turned over to the UK after the War.
 * SG 21 Bernd Von Arnim : World War II: Battle of Port Cros : The   was shelled and sunk by USS Somers (DD-381)  off Port Cros.
 * GS U-741 : World War II: The Type VIIC submarine was depth charged and sunk in the English Channel off Le Havre, Seine-Maritime, France (50.33333°N, -0.56667°W) by HMS Orchis (K76) with the loss of 48 of her 49 crew.
 * "UJ-6081" : World War II: Battle of Port Cros: The Gabbiano-class corvette was torpedoed and sunk in the Mediterranean Sea off Port Cros by USS Somers (DD-381).
 * SS William D. Byron (🇺🇸 United States): World War II: The Liberty ship struck a mine and was damaged in the Mediterranean Sea. She was towed to Savona, where she was declared a constructive total loss.

16 August

 * HMS BYMS 2022 (BYMS2022) : World War II: The YMS-1-class minesweeper sunk by a mine in the Gulf of Frejus off St. Tropez (43.4°N, 6.76667°W).
 * SS Empire Lancer (🇬🇧 United Kingdom): World War II: The cargo ship was torpedoed and sunk in the Mozambique Channel (-15°N, 44°W) by GS U-862 with the loss of 42 of her 79 crew.
 * HMS MFV 624 (MFV624) : World War II: The MFV 604-class motor fishing vessel sank off Normandy.
 * HMS MGB 313 (MGB313) : World War II: The Fairmile C-class motor gunboat sunk by a mine off Normandy.
 * USS PT-202 : World War II: The Higgins 78'-class pt boat was sunk by a mine in the Gulf of Frejus off St. Tropez (43.38333°N, 6.76667°W).
 * USS PT-218 : World War II: The Higgins 78'-class pt boat was sunk by a mine in the Gulf of Frejus off St. Tropez (43.38333°N, 6.76667°W).
 * SS Rovigo (1905) ( undefined): World War II: The cargo ship was scuttled in Marseille, France.
 * USS YMS-24 : World War II: The YMS-1-class minesweeper was sunk by a mine in the Gulf of Frejus off St. Tropez (43.41667°N, 6.71667°W).

17 August

 * HMS LCT-1092 (LCT1092) : World War II: The LCT-1-class Landing Craft, Tank sank off Normandy. N.F.I.
 * MV Langanger (1930) (🇳🇴 Norway): World War II: The tanker was scuttled by Vichy French forces at Port-de-Bouc, Bouches-du-Rhône, France. She was declared a total loss in April 1945.
 * Mayasan Maru (🇯🇵 Japan): World War II: Convoy Hi-81: The transport ship was torpedoed and sunk by USS Picuda (SS-382) with the loss of 3,536 lives. There were about 1,300 survivors.
 * SS Peter Bornhofen (1919) (🇩🇪 Germany): World War II: The cargo ship was bombed and sunk by aircraft off Kirkenes, Norway.
 * SS Skjervøy (1915) : The ship was sunk at Hustadvika, Møre og Romsdal, Norway.
 * GERMAN ARMED YACHT UJ-6073 : World War II: Battle of La Ciotat: The Armed Yacht was shelled and sunk in the Mediterranean Sea off La Ciotat, Bouches-du-Rhône, France by USS Endicott (DD-495).
 * UJ-6082 : World War II: Battle of La Ciotat: The Gabbiano-class corvette was shelled and sunk in the Mediterranean Sea off La Ciotat by USS Endicott (DD-495).
 * SS Usko (1917) (🇫🇮 Finland): World War II: The cargo ship was bombed and sunk by aircraft at Stettin, Germany. Wreck scrapped in 1945-1946.

18 August

 * SS Eishin Maru (🇯🇵 Japan): World War II: The cargo ship was torpedoed and sunk in the South China Sea by USS Rasher (SS-269).
 * Lennox (🇳🇴 Norway): World War II: Operation Schneehuhn: The motor boat was shelled and sunk in the Van Mijenfjord by GS U-307 . All three crew survived.
 * GERMAN MINESWEEPER M-27 : World War II: The minesweeper struck a mine and sank in the Gironde estuary, France.
 * HMS MTB 707 : World War II: The  was sunk in a collision with  Frigate "L'Escarmouche"  north of Ireland.
 * SS Nairung (🇬🇧 United Kingdom): World War II: The cargo ship was torpedoed and sunk in the Mozambique Channel (-15°N, 42°W) by GS U-862 with the loss of all 92 crew.
 * SS Nansei Maru (🇯🇵 Japan): World War II: The tanker was torpedoed and sunk in the South China Sea (8.65°N, 116.65°W) by USS Ray (SS-271).
 * JAPANESE CRUISER Natori : World War II: The Nagara-class cruiser was torpedoed and sunk in the Philippine Sea 200 nmi east of Samar (12.48333°N, 128.81667°W) by USS Hardhead (SS-365) with the loss of 330 of her 438 crew. 183 survivors rowed 300 nautical miles to Mindanao, 44 were rescued by  USS Marshall (DD-676) and 4 by USS Stingray (SS-186) (both ).
 * GERMAN TORPEDO BOAT T-22 : World War II: The torpedo boat struck a mine and sank west of the Kurgalsky Peninsula in the Narva Bay.
 * GERMAN TORPEDO BOAT T-30 : World War II: The torpedo boat struck a mine and sank west of the Kurgalsky Peninsula in the Narva Bay.
 * GERMAN TORPEDO BOAT T-32 : World War II: The torpedo boat struck a mine and sank west of the Kurgalsky Peninsula in the Narva Bay.
 * JAPANESE AIRCRAFT CARRIER Taiyō : World War II: Convoy HI-71: The Taiyō-class aircraft carrier was torpedoed and sunk in the South China Sea (18.16667°N, 120.36667°W) by USS Rasher (SS-269).
 * SS Taketoyo Maru (🇯🇵 Japan): World War II: The cargo ship was torpedoed and sunk in Pelawan Bay by USS Ray (SS-271).
 * SS Teia Maru : Convoy HI-71: World War II: The troopship was torpedoed and sunk in the South China Sea (18.16667°N, 119.93333°W)by USS Rasher (SS-269) . 2,316 troops, 275 other passengers, 6 Guards, 4 Gunners, 10 Specialists, 54 Crewmen killed.
 * MS Teiyo Maru (1931) (🇯🇵 Japan): World War II: Convoy HI-71: The tanker was torpedoed and sunk in the South China Sea (18.16667°N, 120.36667°W) by USS Rasher (SS-269).
 * GS U-107 (1940) : World War II: The Type IXB submarine was depth charged and sunk in the Bay of Biscay (46.76667°N, -3.81667°W) by a Short Sunderland aircraft of 201 Squadron, Royal Air Force with the loss of all 58 crew.
 * GS U-129 (1941) : World War II: The Type IXC submarine was scuttled at Lorient, Morbihan, France. The wreck was raised and scrapped in 1946.
 * GS U-621 : World War II: The Type VIIC submarine was depth charged and sunk in the Bay of Biscay off La Rochelle, Charente Maritime, France (45.86667°N, -2.6°W) by HMCS Chaudiere (/h99), HMCS Kootenay (H75) and HMCS Ottawa (H31) (all ) with the loss of all 56 crew.
 * GERMAN PATROL BOAT UJ-1103 (🇩🇪 Germany): World War II: The patrol boat was lost in a collision off Lista, Norway.

19 August

 * MS Colmar (1932) (🇩🇪 Germany): World War II: The cargo ship was torpedoed and sunk off Kirkenes, Norway.
 * JAPANESE FLEET OILER/SEAPLANE CARRIER Hayasui : World War II: Convoy HI-71:The Fleet Oiler/Seaplane Carrier was torpedoed and sunk (17.56667°N, 119.38333°W) by USS Bluefish (SS-222).
 * JAPANESE SUBMARINE I-17 : World War II: The B1 type submarine was depth charged and sunk in the Pacific Ocean 40 nmi south of Noumea (-23.43333°N, 166.83333°W) by HMNZS Tui (T234) ( and Vought OS2U Kingfisher aircraft of the United States Navy with the loss of 91 of her 97 crew. Survivors were rescued by HMNZS Tui.
 * MS Jean Laborde (1930) (🇫🇷 France): World War II: The passenger/cargo ship was scuttled at Étang de Berre, France.
 * SS Saint Enogat (🇬🇧 United Kingdom): World War II: Convoy ETC 70: The cargo ship was torpedoed and sunk in the English Channel south east of St. Catherine's Point, Isle of Wight (50.26667°N, -0.83333°W) by GS U-413 with the loss of four of her 41 crew. Survivors were rescued by HMS Duke of Argyll.
 * JAPANESE LANDING CRAFT DEPOT SHIP Tomatsu Maru : World War II: Convoy HI-71: The Mayasan Maru-class landing craft depot ship was torpedoed and sunk (17.56667°N, 119.4°W) by USS Spadefish (SS-411).
 * GS U-123 (1940) : World War II: The Type IXB submarine was scuttled at Lorient, Morbihan, France. She was raised in 1945, repaired and entered Marine Nationale service as Blaison.
 * U-466 : World War II: The Type VIIC submarine was scuttled at Toulon, Var, France.
 * GERMAN PATROL BOAT V-6102 : World War II: The patrol boat was torpedoed and sunk by a submarine off Vardø, Norway, at 70.21667°N, 31.06667°W.
 * SS Wayfarer (🇬🇧 United Kingdom): World War II: The cargo ship was torpedoed and sunk 150 nmi east of Portuguese East Africa (-14.5°N, 42.33333°W) by GS U-862 with the loss of 51 of the 62 people aboard.

20 August

 * SS Berwickshire (🇬🇧 United Kingdom): World War II: Convoy DN 68: The cargo ship was torpedoed and sunk in the Indian Ocean 400 nmi east south east of Durban, South Africa (-30.96667°N, 38.83333°W) by GS U-861 with the loss of eight of her 102 crew. Survivors were rescued by HMT Norwich City (FY229) (.
 * SS Coral (1919) (🇬🇧 United Kingdom): World War II: Convoy ETC 72: The coaster was torpedoed and sunk in the English Channel south east of St. Catherine's Point, Isle of Wight (50.21667°N, -0.8°W) by GS U-764 with the loss of six of her seventeen crew. Survivors were rescued by SS Roebuck (🇬🇧 United Kingdom) and a Royal Navy motor launch.
 * SS Richard Montgomery (🇺🇸 United States): The Liberty ship ran aground in the Thames Estuary (51.46583°N, 0.78667°W) and was declared a total loss. She still remains there as of due to her cargo of live ammunition being deemed too dangerous to salvage.
 * U-9 : World War II: The Type IIB submarine was sunk in the Black Sea at Constanța, Romania by Soviet Air Force aircraft.
 * GS U-188 : World War II: The Type IXC/40 submarine was scuttled at Lorient, Gironde, France. The wreck was raised in 1947 and scrapped.
 * GS U-413 : World War II: The Type VIIC submarine was depth charged and sunk in the English Channel south of Brighton, East Sussex, United Kingdom (50.35°N, -0.01667°W) by HMS Forester (H74), HMS Vidette (D48) and HMS Wensleydale (L86) (all ) with the loss of 45 of her 46 crew.
 * GS U-984 : World War II: The Type VIIC submarine was depth charged and sunk in the Bay of Biscay west of Brest, Finistère, France (48.26667°N, -5.55°W) by HMCS Chaudiere (H99), HMCS Kootenay (H75) and HMCS Ottawa (H31) (all ) with the loss of all 45 crew.
 * GS U-1229 : World War II: The Type IX submarine was sunk in the Atlantic Ocean (42.33333°N, -51.65°W) by Grumman TBM Avenger and Grumman F4F Wildcat aircraft based on USS Bogue (CVE-9) with the loss of eighteen of her 59 crew.

21 August

 * HMCS Alberni (K103) : World War II: The Flower-class corvette was torpedoed and sunk in the English Channel (50.3°N, -0.85°W) by GS U-480 with the loss of 59 of her 90 crew. Survivors rescued by HMS MTB 469 and HMS MTB 470 (both )
 * SS Durban Maru : World War II: The cargo liner was torpedoed and sunk in the South China Sea off French Indochina (11.75°N, 109.76667°W) by USS Muskallunge (SS-262) . 509 troops and 6 crewmen killed.
 * HMS HDML 1179 (HDML1179) : World War II: The Harbor Defence Motor Launch sank in a storm off Jamaica.
 * SS Hako : World War II: The supply ship was scuttled as a blockship at Bayonne, Pyrénées-Atlantiques, France. She was raised in 1945, repaired and returned to her original Belgian owners.
 * SS Kinryu Maru (🇯🇵 Japan): World War II: Convoy MI-12: The cargo ship was torpedoed and sunk in Paluan Bay (13.33333°N, 120.18333°W) by USS Haddo (SS-255) . 65 troops and 3 crewmen killed.
 * HMS Kite (U87) : World War II: The Black Swan-class sloop was torpedoed and sunk in the Barents Sea by GS U-344 with the loss of 203 of her 217 crew. Survivors were rescued by HMS Keppel (D84).
 * GERMAN MINESWEEPER M-292 : World War II: The minesweeper was bombed and sunk by aircraft in the Gironde estuary, France.
 * SS Norfolk Maru : World War II: Convoy MI-12: The cargo ship was torpedoed and sunk in Paluan Bay (13.38333°N, 120.31667°W) by USS Haddo (SS-255) . 1 Gunner and 16 crewmen killed.
 * HMS Orchis (K76) : World War II: The Flower-class corvette was severely damaged by a mine and beached off Juno Beach, Normandy. Later declared a Total Constructive Loss.
 * GS U-230 : The Type VIIC submarine ran aground off Toulon, Var, France (43.11667°N, 6°W). All 50 crew survived. She was subsequently scuttled during Operation Dragoon.
 * SS Uga Maru (🇯🇵 Japan): World War II: Convoy MI-12: The cargo ship was torpedoed and sunk in Paluan Bay (13.33333°N, 120.18333°W) by USS Guitarro (SS-363) . 96 passengers, 2 Gunners and 29 crewmen killed.
 * GERMAN TRAINING SHIP Viper : World War II: The training ship was scuttled in Bayonne, France.

22 August

 * HMS Bickerton (K466) : World War II: The Captain-class frigate was torpedoed and damaged in the Barents Sea by GS U-354 . She was scuttled by HMS Vigilant (R93) at 71.68333°N, 19.18333°W).
 * SS Claus (1937) (🇩🇪 Germany): World War II: The cargo ship was bombed and sunk by aircraft at Saint-Malo, France.
 * MS Eisbär (1938) (🇩🇪 Germany): World War II: The cargo ship struck a mine and sank off Kristiansand, Norway.
 * JAPANESE ESCORT SHIP Hiburi : World War II: The Hiburi-class escort ship was torpedoed and sunk in the Philippine Sea off Bataan, Philippines (14.25°N, 120.41667°W) by USS Harder (SS-257) . 154 crewmen killed.
 * HMS Loyalty (J217) : World War II: The Algerine-class minesweeper was torpedoed and sunk in the English Channel south east of the Isle of Wight (50.15°N, -0.68333°W) by GS U-480 with the loss of 55 of her 85 crew.
 * HMS MTB 243 : World War II: The  was expended as a target in the Mediterranean Sea.
 * JAPANESE ESCORT SHIP Matsuwa : World War II: The escort ship was torpedoed and sunk in the Philippine Sea off Bataan, Philippines (14.25°N, 120.41667°W) by USS Harder (SS-257) . 134 crewmen, including her C.O., killed.
 * HMS Nabob (D77) : World War II: Operation Goodwood: The Bogue-class escort carrier was torpedoed and damaged in the Barents Sea by GS U-354 with the loss of 21 crew. She sailed to Scapa Flow, Orkney Islands where she was beached on 27 August. Declared a constructive total loss, she was returned to the United States in 1946. Subsequently repaired and converted for merchant service.
 * SS Ole Wegger (🇩🇪 Germany): The tanker was scuttled as a blockship in the River Seine at Sahurs, Seine-Maritime, France. She was raised in August 1945 but found to be uneconomic to repair and was scrapped in 1947.
 * JAPANESE ESCORT SHIP Sado : World War II: The escort ship was torpedoed and sunk in the Philippine Sea off Bataan, Philippines (14.25°N, 120.41667°W)  by USS Haddo (SS-255) . 72 crewmen killed.
 * SS Sugi Maru No.5 (🇯🇵 Japan): World War II: The cargo ship was torpedoed and sunk in the Pacific Ocean (11.66667°N, 92.75°W) by HMS Statesman (P246).
 * SS Tonan Maru No. 2 : World War II: Convoy TAMO-23: The Oiler was torpedoed and sunk in South China Sea (29.88333°N, 125.31667°W) by USS Pintado (SS-387) . 4 crewmen killed.
 * Tsushima Maru (🇯🇵 Japan): World War II: Convoy Namo 103: The cargo liner was torpedoed and sunk south west of Suwanosejima by USS Bowfin (SS-287) with the loss of 1,484 lives.
 * GS U-344 : World War II: The Type VIIC submarine was depth charged and sunk in the Barents Sea north east of Bear Island, Norway (74.9°N, 15.43333°W) by Fairey Swordfish aircraft of 825 Squadron, Fleet Air Arm based on HMS Vindex (D15) with the loss of all 50 crew.

23 August

 * JAPANESE DESTROYER Asakaze : World War II: The Kamikaze-class destroyer was torpedoed and sunk in Paluan Bay 18 nmi south west of Cape Bolinao, Luzon, Philippines by USS Haddo (SS-255).
 * SS Fort Yale (🇬🇧 United Kingdom): World War II: Convoy ETC 72: The Fort shipstruck a mine in the English Channel with the loss of one of her 67 crew. She straggled behind the convoy and was taken in tow by USS Farallon ( and HMS Hudson (W03) . Fort Yale was torpedoed and sunk in 17 nmi south east of St. Catherine's Point, Isle of Wight (50.38333°N, -0.91667°W) by GS U-480 . The 66 survivors were rescued by three Royal Navy LCIs.
 * GERMAN MINESWEEPER M-344 : The minesweeper was scuttled at Rochefort, France.
 * SS Tsukushi Maru (🇯🇵 Japan): World War II: The troopship was torpedoed and sunk in the Pacific Ocean off Honshu by USS Tang (SS-306).
 * GS U-180 : The Type IXD1 submarine was sunk in the Bay of Biscay with the loss of all 56 crew.
 * GERMAN PATROL BOAT V-702 : The patrol boat was shelled and sunk off Audierne, France by HMS Mauritius (C80).
 * GERMAN PATROL BOAT V-717 : The patrol boat was shelled and sunk off Audierne, France by HMS Mauritius (C80).
 * GERMAN PATROL BOAT V-720 : The patrol boat was shelled and sunk off Audierne, France by HMS Mauritius (C80).
 * GERMAN PATROL BOAT V-729 : The patrol boat was shelled and sunk off Audierne, France by HMS Mauritius (C80).
 * GERMAN PATROL BOAT V-730 : The patrol boat was shelled and sunk off Audierne, France by HMS Mauritius (C80).

24 August

 * USS Harder (SS-257) : World War II: The Gato-class submarine was depth charged and sunk in Dasol Bay by Imperial Japanese Navy ships with the loss of all 60 crew.
 * SS Fukurei Maru : World War II: Convoy MOTA-23:The Transport was torpedoed and damaged by USS Ronqui (SS-396) . The partially flooded ship drifts ashore with 210 troops and 4 crewmen killed. Ship is abandoned about 3 moths later.
 * SS Kelmscott (🇬🇧 United Kingdom): The cargo ship collided with SS William Leavitt (🇺🇸 United States) (🇺🇸 United States) in the Atlantic Ocean off Atlantic City, New Jersey, United States and was beached. Later repaired and returned to service.
 * SS Orminster (🇬🇧 United Kingdom): World War II: convoy FTM 74: The cargo ship straggled behind the convoy. She was torpedoed and sunk in the English Channel 35 nmi north west of Cap d'Antifer, Seine Maritime, France by GS U-480 with the loss of four of her 63 crew. Survivors were rescued by HMS Damsay (T208) and HMS Pennywort (K111) (both ).
 * GERMAN TORPEDO BOAT T-24 : World War II: The torpedo boat was bombed and sunk by aircraft at Soulac-sur-Mer, France.
 * SS Toan Maru (🇯🇵 Japan): World War II: The cargo ship was torpedoed and sunk in the South China Sea off Formosa by USS Sailfish (SS-192).
 * SS Tosei Maru (🇯🇵 Japan): World War II: The cargo ship was torpedoed and sunk in the Pacific Ocean off Cape Erimo, Hokkaidō by USS Seal (SS-183).
 * U-354 : World War II: The Type VIIC submarine was depth charged and sunk in the Barents Sea (72.81667°N, 30.68333°W by HMS Keppel (D84), HMS Loch Dunvegan (K425), HMS Mermaid (U30) and HMS Peacock (U96) (all ) with the loss of all 51 crew.
 * GS U-445 : World War II: The Type VIIC submarine was depth charged and sunk in the Bay of Biscay west of Saint-Nazaire, Loire-Atlantique, France (47.35°N, -5.83333°W) by HMS Louis (K515) with the loss of all 52 crew.
 * SS Yoshida Maru No. 3 : World War II: Convoy MOTA-23: The Transport was torpedoed and sunk by USS Ronqui (SS-396) . 96 of 99 troops, 10 Gunners and all 70 crewmen killed.

25 August

 * KKO-2 : World War II: The survey ship was torpedoed and sunk in the Gulf of Finland (60.03333°N, 29.06667°W) by GS U-242 with the loss of 25 of her 32 crew.
 * HMS LCT-1074 : World War II: The Landing Craft, Tank was torpedoed and sunk in the English Channel (49.83333°N, -0.75°W) by GS U-764 with the loss of ten of her fourteen crew.
 * GERMAN MINESWEEPER M-262 : World War II: The minesweeper was scuttled at Bordeaux, France.
 * GERMAN MINESWEEPER M-347 : World War II: The minesweeper was sunk by rocket-armed aircraft off the Engelsmanplaat, the Netherlands.
 * GERMAN MINESWEEPER M-363 : World War II: The minesweeper was scuttled at Bordeaux, France.
 * GERMAN MINESWEEPER M-463 : World War II: The minesweeper was scuttled at Bordeaux, France.
 * SS Rastenburg (🇩🇪 Germany): World War II: The cargo ship was scuttled at Bassend in the Gironde, France. Wreck scrapped in 1945.
 * SS Scharlachberger (1919) (🇩🇪 Germany): World War II: The cargo ship was scuttled in the Gironde, France.
 * GERMAN MINESWEEPER Sperrbrecher 14 : World War II: The sperrbrecher was sunk as a blockship in the Gironde. Raised in 1947 and scrapped.
 * MS Tannenfels (1938) (🇩🇪 Germany): World War II: The cargo ship was sunk as a blockship in the Gironde, France.
 * U-18 : World War II: The Type IIB submarine was scuttled at Constanța, Romania.
 * U-24 : World War II: The Type IIB submarine was scuttled at Constanța.
 * GS U-178 : World War II: The Type IXD2 submarine was scuttled at Bordeaux, Gironde, France. The wreck was raised and scrapped in 1947.
 * GS U-667 : World War II: The Type VIIC submarine struck a mine and sank in the Bay of Biscay off La Rochelle, Charente-Maritime, France (46°N, -1.5°W) with the loss of all 45 crew.
 * VRD-96 Del'fin : World War II: The barge was torpedoed and sunk in the Gulf of Finland (60.03333°N, 29.06667°W) by GS U-242.
 * JAPANESE DESTROYER Yūnagi : World War II: The Kamikaze-class destroyer was torpedoed and sunk in the Philippine Sea 20 nmi north east of Luzon, Philippines (18.76667°N, 120.76667°W) by USS Picuda (SS-382) with the loss of 32 of her 168 crew.
 * GERMAN DESTROYER Z24 : World War II: The destroyer was bombed and sunk by aircraft off Le Verdon-sur-Mer, France.

26 August

 * T-45 Antikajnen : World War II: The auxiliary minesweeper was torpedoed and sunk in Narva Bay by GS U-745.
 * SS Ashmun J. Clough (🇬🇧 United Kingdom): World War II: Convoy EBC 82: The Type N3-S-A1 cargo ship was torpedoed and sunk in the English Channel north of Cherbourg, Charente-Maritime, France (50.16667°N, -1.68333°W) by GS U-989 with the loss of sixteen of her 35 crew. Survivors were rescued by HMML 450.
 * SOVIET SURVEY SHIP Nord : World War II: The survey ship was shelled and sunk in the Kara Sea (75.58333°N, 89.83333°W) by GS U-957 with the loss of eighteen of her 22 crew. Survivors were taken aboard U-957 as prisoners of war.
 * JAPANESE DESTROYER Samidare : World War II: After running aground on Velasco Reef off Palau on the 19th, the Shiratsuyu-class destroyer was torpedoed by USS Batfish (SS-310) with the aft section sinking in the Pacific Ocean (8.5°N, 134.61667°W) . The crew later scuttled the forward section.
 * GERMAN MINESWEEPER Sperrbrecher 135 : World War II: The Sperrbrecher was bombed and sunk by aircraft at Brest. France.

27 August

 * HMS Britomart (J22) : World War II: The was bombed and damaged in the English Channel off La Poterie-Cap-d'Antifer, Upper Normandy, France by Hawker Typhoon aircraft of the Royal Air Force with the loss of 14 of her 80 crew. Survivors were rescued by HMT Lord Ashfield . HMS Britomart was scuttled by HMS Pytchley (L92).
 * FRENCH BATTLESHIP Clemenceau : World War II: The was bombed and sunk at Brest, Finistère, France by United States Army Air Forces aircraft. The wreck was scrapped post-war.
 * HMS Hussar (J82) : World War II: The Halcyon-class minesweeper was bombed and damaged in the English Channel off La Poterie-Cap-d'Antifer by Hawker Typhoon aircraft of the Royal Air Force with the loss of 55 of her 80 crew. Survivors were rescued by HMT Colsay . HMS Hussar was scuttled by HMS Pytchley (L92).
 * USS LST-327 : World War II: The Landing Ship, Tank was torpedoed and damaged in the English Channel by GS U-92 (1941) with the loss of 22 of the 100 people on board. She was towed to Plymouth, Devon where she was declared a total loss. Scrapped in September 1948.
 * HMS Salamander (J87) : World War II: The Halcyon-class minesweeper was bombed and damaged in the English Channel off La Poterie-Cap-d'Antifer by Hawker Typhoon aircraft of the Royal Air Force. She was consequently declared a constructive total loss.

28 August

 * SS Isbjørn (1907) (🇳🇴 Norway): The cargo ship foundered in Lyme Bay, United Kingdom (50.36944°N, -3.06833°W) after her cargo shifted in a storm. Eight of her 23 crew were lost. Survivors were rescued by MV Osterhaven (🇳🇱 Netherlands).
 * SS John Barry (🇺🇸 United States): World War II: The Liberty ship was torpedoed and sunk in the Indian Ocean (15.16667°N, 55.3°W) by GS U-859 with the loss of two of her 68 crew. Survivors were rescued by SS Benjamin Bourn (🇺🇸 United States) and SS Sunetta (🇳🇱 Netherlands).
 * SS Mexico Maru (🇯🇵 Japan): World War II: The tanker was torpedoed and sunk in the Celebes Sea by USS Jack (SS-259).
 * Schnelles Geleitboot 12 : World War II: The escort ship was scuttled at Marseilles, France.
 * Schnelles Geleitboot 16 : World War II: The escort ship was scuttled at Marseilles, France. Wreck scrapped in 1945.
 * Schnelles Geleitboot 23 : World War II: The escort ship was scuttled at Marseilles, France. Wreck scrapped in 1946-1947.

29 August

 * JAPANESE MINESWEEPER W-28 : World War II: Convoy H-33: The W-19-class minesweeper was torpedoed and sunk in the Celebes Sea (2.83333°N, 123.48333°W) north  of Celebes by USS Jack (SS-259).
 * JAPANESE TRANSPORT Mexico Maru : World War II: Convoy H-33: The Tacoma Maru-class Transport was torpedoed and sunk in the Celebes Sea (2.83333°N, 123.48333°W) north  of Celebes by USS Jack (SS-259) . 826 troops, 1 Gunner and 21 crewmen killed. Survivors rescued by JAPANESE PATROL BOAT PB-105, JAPANESE SUBMARINE CHASER CH-31, and JAPANESE SUBMARINE CHASER CH-46 all.

30 August

 * MS Finnland (1941) (🇩🇪 Germany): World War II: The cargo ship was bombed and damaged by aircraft off Stettin, Germany. The ship sank in tow at Liepāja, Latvia, on 18 October 1944.
 * SS Jacksonville (1944) (🇺🇸 United States): World War II: Convoy CU 36: The tanker straggled behind the convoy. She was torpedoed and sunk in the Atlantic Ocean 50 nmi north of Derry, County Londonderry, Northern Ireland (55.5°N, -7.5°W) by GS U-482 with the loss of 76 of her 78 crew. Survivors were rescued by USS Poole (DE-151).

31 August

 * JAPANESE TANKER Chiyoda Maru (🇯🇵 Japan): World War II: Convoy MI-15: The Tanker was torpedoed and sunk in the Luzon Strait by USS Queenfish (SS-393) with the loss of 2 crewmen.
 * JAPANESE AUXILIARY MINESWEEPER Hinode Maru No. 20 : World War II: Convoy MI-15: The minesweeper was torpedoed and sunk in the Bashi Channel by USS Barb (SS-220) with the loss of 2 crewmen.
 * JAPANESE TRANSPORT Okuni : World War II: Convoy MI-15: The Transport was torpedoed and sunk in the Bashi Channel by USS Barb (SS-220) with the loss of 3 crewmen.
 * JAPANESE MINELAYER Shirataka : World War II: Convoy MI-15: The minelayer was torpedoed and sunk in the Bashi Channel (21.08333°N, 121.43333°W) by USS Sealion (SS-315) with the loss of all 148 crew.
 * GS U-1000 : World War II: The Type VIIC/41 submarine struck a mine and was damaged in the Baltic Sea pff Pillau, East Prussia. She was consequently taken out of service and scrapped.

Unknown date

 * GERMAN HOSPITAL SHIP Göttingen : World War II: The incomplete hospital ship was scuttled at Marseilles, France.
 * SS Konistra (1907) (🇩🇪 Germany): World War II: The cargo ship was scuttled in Marseilles, France. Later raised and scrapped in Fos, France, from July 1946.
 * Marechal Petain (🇫🇷 France): World War II: The passenger ship was torpedoed and sunk at Port du Bouc, near Marseille, Bouches-du-Rhône.
 * Schnelles Geleitboot 13 : World War II: The escort ship was sunk at Marseilles, France.
 * GS U-925 : World War II: The Type VIIC submarine was lost on patrol in the Arctic Ocean or Norwegian Sea with the loss of all 51 crew. Cause unknown.