# List of shipwrecks in July 1943

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

## 1 July

List of shipwrecks: 1 July 1943 :
| Ship | State | Description |
| Empire Ibex | United Kingdom | Convoy HX245: The Design 1079 ship (7,208 t) collided in the Atlantic Ocean (53°30′N 36°25′W﻿ / ﻿53.500°N 36.417°W﻿ / 53.500; -36.417) with Empire MacAlpine ( United Kingdom) and was severely damaged. There were no casualties. She was abandoned the next day by her crew, who were rescued by Perth ( United Kingdom). Empire Ibex sank on 3 July at 53°36′N 36°16′W﻿ / ﻿53.600°N 36.267°W﻿ / 53.600; -36.267. |
| Hokaze | Imperial Japanese Navy | World War II: The Minekaze-class destroyer was torpedoed and damaged in the bow by USS Thresher ( United States Navy) in the Makassar Strait. She was beached at Makassar to prevent sinking, and was later repaired and returned to service. |
| Kronborg | Denmark | World War II: The passenger ship (118 t) was sunk by an explosion, probably due to a mine, 3 miles (4.8 km) off Mosede Havn, Denmark. One crew was killed. |
| Tutoya | Brazil | World War II: The cargo ship (1,125 t) was torpedoed and sunk in the South Atlantic 6 nautical miles (11 km) off Iguape by U-513 ( Kriegsmarine) with the loss of seven of her 37 crew. |

## 2 July

List of shipwrecks: 2 July 1943 :
| Ship | State | Description |
| Banshu Maru No. 7 | Japan | World War II: The cargo ship was torpedoed and sunk in the Pacific Ocean off the Kuril Islands by USS S-35 ( United States Navy). |
| Bloody Marsh | United States | World War II: The T2 tanker was on her maiden voyage. She was torpedoed and sunk in the Atlantic Ocean (31°33′N 78°57′W﻿ / ﻿31.550°N 78.950°W﻿ / 31.550; -78.950) by U-66 ( Kriegsmarine) with the loss of three of her 77 crew. Survivors were rescued by USS SC-1048 ( United States Navy). |
| Canton Maru | Japan | World War II: The cargo ship was torpedoed and sunk off Formosa by USS Flying Fish ( United States Navy) with the loss of 56 crewmen and 3 gunners. |
| Empire Kohinoor | United Kingdom | World War II: The cargo ship (5,225 GRT, 1919) was torpedoed and sunk in the Atlantic Ocean (6°20′N 16°30′W﻿ / ﻿6.333°N 16.500°W﻿ / 6.333; -16.500) by U-618 ( Kriegsmarine) with the loss of six of her 87 crew. Survivors were rescued by Gascony ( United Kingdom) and HMS Wolverine ( Royal Navy) or reached land in their lifeboat. |
| Hoihow | United Kingdom | World War II: The passenger ship (2,798 GRT, 1933) was torpedoed and sunk in the Indian Ocean 103 nautical miles (191 km) north west of Mauritius (19°30′S 55°30′E﻿ / ﻿19.500°S 55.500°E﻿ / -19.500; 55.500) by U-181 ( Kriegsmarine) with the loss of 145 of the 149 people aboard (the master, 90 crew members, seven gunners and 47 passengers). The four survivors, three crew members and one passenger, were rescued by Mormacswan ( United States). |
| Isuzu Maru | Imperial Japanese Army | World War II: The Isuzu Maru-class transport was torpedoed and sunk in the Philippine Sea off Marinduque (13°45′N 121°50′E﻿ / ﻿13.750°N 121.833°E﻿ / 13.750; 121.833) by USS Trout ( United States Navy). Four gunners and five crewmen were killed. |
| Kashi Maru | Imperial Japanese Navy | World War II: The net layer was bombed and sunk by American aircraft at Bairoko, Solomon Islands. One crew was killed. |
| USS PT-153 | United States Navy | The Elco 80' PT boat ran aground and was abandoned off Munda Point, New Georgia, Solomon Islands. |
| USS PT-158 | United States Navy | The Elco 80' PT boat ran aground and was abandoned off Munda Point. |
| Sisman | Turkey | World War II: The motorboat was shelled and sunk in the Aegean Sea off Charpay Island by HMS Trident ( Royal Navy). One crew member was lost. |
| Yoneyama Maru | Imperial Japanese Army | World War II: The Somedono Maru-class transport was torpedoed and sunk in the Celebes Sea (01°30′N 119°30′E﻿ / ﻿1.500°N 119.500°E﻿ / 1.500; 119.500) north east of Cape Talok, Borneo by USS Thresher ( United States Navy). Eight gunners and 44 crewmen were killed. |

## 3 July

List of shipwrecks: 3 July 1943 :
| Ship | State | Description |
| Anzan Maru | Japan | World War II: The cargo ship was torpedoed and sunk in the Yellow Sea (38°20′N 138°24′E﻿ / ﻿38.333°N 138.400°E﻿ / 38.333; 138.400) by USS Scorpion ( United States Navy). Twenty passengers, a gunner and five crewmen were killed. |
| Elihu B. Washburne | United States | World War II: The Liberty ship was torpedoed and sunk in the Atlantic Ocean off the coast of Brazil (24°05′S 45°23′W﻿ / ﻿24.083°S 45.383°W﻿ / -24.083; -45.383) by U-513 ( Kriegsmarine). All 70 crew survived. |
| Kherzon | Soviet Union | The Liberty ship ran aground on the east coast of Kamchatka and broke in two on her delivery voyage to the Soviet Union. Both halves were refloated and later scrapped. |
| Kokuryu Maru | Japan | World War II: The cargo liner was torpedoed and sunk in the Yellow Sea (38°20′N 138°24′E﻿ / ﻿38.333°N 138.400°E﻿ / 38.333; 138.400) by USS Scorpion ( United States Navy). Three crewmen and two gunners were killed. |
| HMS LST 429 | Royal Navy | The MK 2-class landing ship tank burned and sank north of Zuwarah, Libya (33°05′N 11°52′E﻿ / ﻿33.083°N 11.867°E﻿ / 33.083; 11.867). |
| U-126 | Kriegsmarine | World War II: The Type IXC submarine was depth charged and sunk in the Atlantic Ocean north west of Cape Ortegal, Spain (46°02′N 11°23′W﻿ / ﻿46.033°N 11.383°W﻿ / 46.033; -11.383) by a Vickers Wellington aircraft of 172 Squadron, Royal Air Force with the loss of all 55 crew. |
| U-628 | Kriegsmarine | World War II: The Type VIIC submarine was depth charged and sunk in the Atlantic Ocean north west of Cape Ortegal, Spain (44°11′N 8°45′W﻿ / ﻿44.183°N 8.750°W﻿ / 44.183; -8.750) by a Consolidated B-24 Liberator aircraft of 224 Squadron, Royal Air Force with the loss of all 49 crew. |

## 4 July

List of shipwrecks: 4 July 1943 :
| Ship | State | Description |
| Breiviken | Norway | World War II: Convoy DN 50: The cargo ship (2,669 GRT, 1911) straggled behind the convoy. She was torpedoed and sunk in the Indian Ocean off Portuguese East Africa (21°50′S 37°50′E﻿ / ﻿21.833°S 37.833°E﻿ / -21.833; 37.833) by U-178 ( Kriegsmarine) with the loss of three of her 36 crew. |
| Changri Lá | Brazil | World War II: The sailing ship was shelled and sunk in the South Atlantic off Arraial do Cabo by U-199 ( Kriegsmarine) with the loss of all ten crew. |
| City of Venice | United Kingdom | World War II: Convoy KMS 18B: The troopship (8,762 GRT, 1924) was torpedoed and sunk in the Mediterranean Sea 10 nautical miles (19 km) north of Cape Ténès, Algeria (36°44′N 1°25′E﻿ / ﻿36.733°N 1.417°E﻿ / 36.733; 1.417) by U-409 ( Kriegsmarine) with the loss of 22 of the 482 people aboard. Survivors were rescued by HMS Honeysuckle, HMS Restive, HMS Rhododendron and HMS Teviot (all Royal Navy). The landing craft HMS LCE-14 ( Royal Navy), which was aboard City of Venice, was lost as well. |
| Koki Maru | Japan | World War II: Convoy No. 172: The cargo ship was torpedoed and sunk in the Pacific Ocean 20 nautical miles (37 km) north west of Naha, Okinawa (28°29′N 124°15′E﻿ / ﻿28.483°N 124.250°E﻿ / 28.483; 124.250) by USS Snook ( United States Navy). 1 crewman was killed. |
| Liverpool Maru | Japan | World War II: Convoy No. 172: The Daifuku Maru No. 1-class transport was torpedoed and sunk in the Pacific Ocean 20 nautical miles (37 km) north west of Naha, Okinawa (28°29′N 124°15′E﻿ / ﻿28.483°N 124.250°E﻿ / 28.483; 124.250) by USS Snook ( United States Navy). Three crewmen were killed. |
| Michael Livanos | Greece | World War II: The cargo ship (4,774 GRT, 1938) was torpedoed and sunk in the Mozambique Channel (22°52′S 36°47′E﻿ / ﻿22.867°S 36.783°E﻿ / -22.867; 36.783) by U-178 ( Kriegsmarine) with the loss of two of her 41 crew. |
| Nikkyo Maru | Japan | World War II: The cargo ship was torpedoed and sunk in the Pacific Ocean off southeast coast of Honshu (34°33′N 138°37′E﻿ / ﻿34.550°N 138.617°E﻿ / 34.550; 138.617) by USS Jack ( United States Navy). 17 crewmen were killed. |
| Pelotaslóide | Brazil | World War II: The cargo ship was torpedoed and sunk in the Atlantic Ocean off the coast of Brazil (0°24′S 47°36′W﻿ / ﻿0.400°S 47.600°W﻿ / -0.400; -47.600) by U-590 ( Kriegsmarine). There were 5 dead and 37 survivors. |
| Sabbia | Italy | World War II: The cargo liner was torpedoed in the Mediterranean sea south of Capo Linaro by HNLMS Dolfijn ( Royal Netherlands Navy). Sabbia was escorted by the German auxiliary submarine chaser UJ 2207 ( Kriegsmarine) which also towed the damaged ship into Civitavecchia where she was beached, partly blocking the entrance. She was declared a constructive total loss. |
| St. Essylt | United Kingdom | World War II: Convoy KMS 18B: The cargo ship (5,634 GRT, 1940) was torpedoed and sunk in the Mediterranean Sea 10 nautical miles (19 km) north of Cape Tenez (36°44′N 1°31′E﻿ / ﻿36.733°N 1.517°E﻿ / 36.733; 1.517) by U-375 ( Kriegsmarine) with the loss of four of the 401 people aboard. Survivors were rescued by HMS Honeysuckle, HMS Restive and HMS Rhododendron (all Royal Navy). |
| V 50 / Adalia | Regia Marina | World War II: The three-masted armed patrol schooner was sunk west of Civitavecchia by gunfire from HNLMS Dolfijn ( Royal Netherlands Navy). The whole crew escaped in a lifeboat and reached the coast at Torre Chiaruccia the following morning. |

## 5 July

List of shipwrecks: 5 July 1943 :
| Ship | State | Description |
| Alcoa Prospector | United States | World War II: The cargo ship was torpedoed and damaged in the Gulf of Oman (24°21′N 59°04′E﻿ / ﻿24.350°N 59.067°E﻿ / 24.350; 59.067) by I-27 ( Imperial Japanese Navy). There was no casualty. She was subsequently laid up at Karachi, and later at Bombay, India, and finally consequently scrapped in 1950. |
| Devis | United Kingdom | World War II: Convoy KMS 18B: The assault command ship (6,054 GRT, 1938) was torpedoed and sunk in the Mediterranean Sea north east of Cap Bengut, Algeria (37°01′N 4°10′E﻿ / ﻿37.017°N 4.167°E﻿ / 37.017; 4.167) by U-593 ( Kriegsmarine) with the loss of 52 of the 343 people aboard. All dead were Canadian soldiers. Survivors were rescued by HMS Cleveland ( Royal Navy). The landing craft HMS LCM-1123 ( Royal Navy), which was aboard Devis, was lost as well. |
| M-106 | Soviet Navy | World War II: The M-class submarine was depth charged and damaged by UJ 1206, UJ 1212, UJ 1214, and UJ 1217 (all Kriegsmarine). She was rammed and sunk by UJ 1217 after surfacing. All 23 crew were lost. |
| Maltran | United States | World War II: Convoy GTMO 134: The cargo ship was torpedoed and sunk in the Caribbean Sea (18°11′N 74°57′W﻿ / ﻿18.183°N 74.950°W﻿ / 18.183; -74.950) by U-759 ( Kriegsmarine). All 47 crew were rescued by SC-1279 ( United States Navy). |
| USS Strong | United States Navy | World War II: The Fletcher-class destroyer was hit in Kula Gulf off New Georgia, Solomon Islands (8°05′S 157°15′E﻿ / ﻿8.083°S 157.250°E﻿ / -8.083; 157.250) by one of the torpedoes fired by Niizuki, Nagatsuki and Yunagi (all Imperial Japanese Navy), then shelled by shore batteries and sank with the loss of 46 of her 329 crew. Most of the survivors were rescued by USS Chevalier ( United States Navy). |
| U-535 | Kriegsmarine | World War II: The Type IXC submarine was depth charged and sunk in the Atlantic Ocean north east of Cape Finisterre, Spain (43°38′N 9°13′W﻿ / ﻿43.633°N 9.217°W﻿ / 43.633; -9.217) by Consolidated B-24 Liberator aircraft of 53 Squadron, Royal Air Force with the loss of all 55 crew. |

## 6 July

List of shipwrecks: 6 July 1943 :
| Ship | State | Description |
| Banshu Maru No.33 | Japan | World War II: The coaster was torpedoed and sunk in the Sea of Japan west of Hokkaido (43°35′N 140°21′E﻿ / ﻿43.583°N 140.350°E﻿ / 43.583; 140.350) by USS Permit ( United States Navy). Three crew were killed. |
| Erg | Canada | The harbour tug (28 GRT, 1915) was in a collision with Norelg ( Norway) at Halifax, Nova Scotia and sank with the loss of all three crew and 16 of the 21 passengers nineteen lives. She was later refloated, but declared a constructive total loss and was scuttled on 24 August. |
| GM 53 | Kriegsmarine | World War II: The guard ship struck a mine and sank in the Aegean Sea off Saloniki, Greece. Four crew were killed and four survived. |
| USS Helena | United States Navy | World War II: Battle of Kula Gulf: The St. Louis-class cruiser was torpedoed and sunk in the Pacific Ocean off Kolombangara, Solomon Islands (7°46′00″S 157°11′00″E﻿ / ﻿7.76667°S 157.18333°E﻿ / -7.76667; 157.18333) by Suzukaze and Tanikaze (both Imperial Japanese Navy) with the loss of 168 of her 888 crew. |
| Hydraios | Greece | World War II: The cargo ship (4,476 GRT, 1902) was torpedoed and sunk in the Indian Ocean (24°44′S 35°12′E﻿ / ﻿24.733°S 35.200°E﻿ / -24.733; 35.200) by U-198 ( Kriegsmarine). All 40 crew survived. |
| Jasper Park | Canada | World War II: The Park ship (7,129 GRT, 1942) was torpedoed and sunk in the Indian Ocean (32°52′S 42°15′E﻿ / ﻿32.867°S 42.250°E﻿ / -32.867; 42.250) by U-177 ( Kriegsmarine) with the loss of four of her 55 crew. Survivors were rescued by HMAS Quiberon and HMAS Quickmatch (both Royal Australian Navy). |
| Nagatsuki | Imperial Japanese Navy | Nagatsuki, May 1944 World War II: Battle of Kula Gulf: The Mutsuki-class destroyer was shelled and damaged in the Pacific Ocean off Kolombangara by United States Navy ships. She then ran aground near Bambari Harbour (7°57′S 157°12′E﻿ / ﻿7.950°S 157.200°E﻿ / -7.950; 157.200) but was bombed and destroyed the same day by American aircraft. She has by then by almost totally evacuated by crew and troops and there were only 8 killed and 13 injured. |
| Niizuki | Imperial Japanese Navy | World War II: Battle of Kula Gulf: The Akizuki-class destroyer was shelled and sunk in the Pacific Ocean approximately five miles (8.0 km) east of Tuki Point, Kolombangara (7°57′S 157°12′E﻿ / ﻿7.950°S 157.200°E﻿ / -7.950; 157.200) by United States Navy ships. Commander Kaneda, Admiral Akiyama and the entire Desron 3 staff, along with almost all hands are lost in action. Approximately 290 officers and men lost, only a few later being taken prisoner by the Americans or reaching land, an unknown number of survivors, probably few, were rescued by Amagiri ( Imperial Japanese Navy). The wreck's was discovery announced on 17 April 2019. |
| Poelau Roebiah | Netherlands | World War II: Convoy TAG 70: The cargo liner (9,251 GRT, 1928) was torpedoed and sunk in the Caribbean Sea (17°56′N 75°57′W﻿ / ﻿17.933°N 75.950°W﻿ / 17.933; -75.950) by U-759 ( Kriegsmarine) with the loss of two of the 123 people aboard. Survivors were rescued by USS PC-1253 ( United States Navy). |
| Ritsa | Soviet Union | World War II: The auxiliary schooner (possibly spelled Riza) was sunk near Arkhipo-Osipouka by S 28, S 40, S 47, and S 51 (all Kriegsmarine). 6 people were killed. |
| S 59 | Kriegsmarine | World War II: The Type 1939 E-boat was bombed and sunk by British aircraft at Porto Embedocle, Sicily, Italy. |
| Shahjehan | United Kingdom | World War II: Convoy MWS 36: The cargo ship (5,454 GRT, 1942) was torpedoed and damaged in the Mediterranean Sea 150 nautical miles (280 km) north west of Benghazi, Libya (33°01′N 21°32′E﻿ / ﻿33.017°N 21.533°E﻿ / 33.017; 21.533) by U-453 ( Kriegsmarine) with the loss of one of the 328 people aboard. She was taken in tow but sank the next day at 32°55′N 21°10′E﻿ / ﻿32.917°N 21.167°E﻿ / 32.917; 21.167. Survivors were rescued by HMS Aphis and HMS St. Monance (both Royal Navy). |
| HNLMS TM 27 | Royal Netherlands Navy | The TM 22-class motor torpedo boat was sunk at Curacao by an explosion. |
| Tripoli | Italy | World War II: The cargo ship was torpedoed and sunk in the Mediterranean Sea by HMS Saracen ( Royal Navy). There were 34 people missing and 19 survivors. |

## 7 July

List of shipwrecks: 7 July 1943 :
| Ship | State | Description |
| F 144 | Kriegsmarine | World War II: The Type A Marinefahrprahm was bombed in Yalta port by Soviet Douglas A-20 Havoc aircraft and was damaged beyond repair and beached, later towed to Varna and scrapped. There were no casualties. |
| James Robertson | United States | World War II: Convoy BT 18: The Liberty ship was torpedoed and sunk in the Atlantic Ocean off Brazil (4°05′S 35°38′W﻿ / ﻿4.083°S 35.633°W﻿ / -4.083; -35.633) by U-185 ( Kriegsmarine) with the loss of one of her 69 crew. Survivors were rescued by Jaguarão ( Brazilian Navy) and USS PC-575 ( United States Navy) or reached land in their lifeboat. |
| Leana | United Kingdom | World War II: The cargo ship (4,742 GRT, 1914) was torpedoed and sunk in the Indian Ocean 40 nautical miles (74 km) east of Zavora Point, Portuguese East Africa (25°06′S 35°33′E﻿ / ﻿25.100°S 35.550°E﻿ / -25.100; 35.550) by U-198 ( Kriegsmarine) with the loss of two of her 66 crew. Her captain was taken aboard U-198 as a prisoner of war. The rest of the survivors reached land in their lifeboats. |
| MAS 536 | Regia Marina | World War II: The MAS 526-class MAS boat was sunk off Leros in a collision with Rubattino ( Italy). |
| Showa Maru | Japan | World War II: The cargo ship was torpedoed and sunk in the Sea of Japan off Otaru, Hokkaido, Japan (43°14′N 139°53′E﻿ / ﻿43.233°N 139.883°E﻿ / 43.233; 139.883) by USS Permit ( United States Navy). 24 crew were killed. |
| Thomas Sinnickson | United States | World War II: Convoy BT 18: The Liberty ship was torpedoed and damaged in the Atlantic Ocean off Fortaleza, Brazil (3°51′S 36°22′W﻿ / ﻿3.850°S 36.367°W﻿ / -3.850; -36.367) by U-185 ( Kriegsmarine) with the loss of one of her 70 crew. Survivors were rescued by USS Surprise ( United States Navy), which scuttled the ship by gunfire the next day. |
| U-951 | Kriegsmarine | World War II: The Type VIIC submarine was depth charged and sunk in the Atlantic Ocean north west of Cape St. Vincent, Portugal (37°40′N 15°30′W﻿ / ﻿37.667°N 15.500°W﻿ / 37.667; -15.500) by a Consolidated B-24 Liberator aircraft of the United States Navy with the loss of all 46 crew. |
| Wilhelmsburg | Germany | World War II: The tanker was torpedoed and sunk in the Aegean Sea (39°55′N 25°50′E﻿ / ﻿39.917°N 25.833°E﻿ / 39.917; 25.833) by HMS Rorqual ( Royal Navy). All 66 crewmen survived and were rescued by accompanying escort vessels. |
| William Boyce Thompson | United States | World War II: Convoy BT 18: The tanker was torpedoed and sunk in the Atlantic Ocean 175 nautical miles (324 km) off Fortaleza, Brazil, by U-185 ( Kriegsmarine) with the loss of four of her 57 crew. Survivors were rescued by Jaguarão ( Brazilian Navy) and USS Surprise ( United States Navy). |

## 8 July

List of shipwrecks: 8 July 1943 :
| Ship | State | Description |
| B. P. Newton | Norway | World War II: Convoy TJ 1: The tanker (10,324 GRT, 1940) was torpedoed and sunk in the Atlantic Ocean (5°50′N 50°20′W﻿ / ﻿5.833°N 50.333°W﻿ / 5.833; -50.333) by U-510 ( Kriegsmarine) with the loss of 23 of her 47 crew. Survivors were rescued by USS PC-495 ( United States Navy). |
| Eldena | United States | World War II: Convoy TJ 1: The cargo ship was torpedoed and sunk in the Atlantic Ocean (5°50′N 50°20′W﻿ / ﻿5.833°N 50.333°W﻿ / 5.833; -50.333) by U-510 ( Kriegsmarine). All 66 crew were rescued by USS PC-592 ( United States Navy). |
| HMS LCT 547 | Royal Navy | The Mk 4 landing craft tank (350/640 t, 1942) foundered off Malta. |
| S 102 | Kriegsmarine | World War II: The Type 1939/40 E-boat was sunk by a mine in the Black Sea south of Kerch, Soviet Union. Eight crew were killed. |
| Sperrbrecher 165 Gebweiler | Kriegsmarine | World War II: The Sperrbrecher struck a mine and sank off Gothenburg, Sweden. 16 crew were lost |
| U-514 | Kriegsmarine | World War II: The Type IXC submarine was depth charged and sunk by a Consolidated B-24 Liberator aircraft of 224 Squadron, Royal Air Force with the loss of all 54 crew. |
| Valfiorita | Italy | World War II: The cargo ship was torpedoed and sunk in the Mediterranean Sea by HMS Ultor ( Royal Navy) with the loss of 13 crew. |

## 9 July

List of shipwrecks: 9 July 1943 :
| Ship | State | Description |
| De la Salle | United Kingdom | World War II: Convoy ST 71: The cargo ship (8,400 GRT, 1921) was torpedoed and sunk in the Gulf of Benin 60 nautical miles (110 km) south west of Lagos, Nigeria (5°50′N 2°22′E﻿ / ﻿5.833°N 2.367°E﻿ / 5.833; 2.367) by U-508 ( Kriegsmarine) with the loss of ten of the 249 people aboard. Survivors were rescued by Commandant Detroyat ( Free French Naval Forces). |
| Manchester Citizen | United Kingdom | World War II: Convoy ST 71: The cargo ship (5,343 GRT, 1925) was torpedoed and sunk in the Gulf of Benin 60 nautical miles (110 km) south west of Lagos (5°50′N 2°22′E﻿ / ﻿5.833°N 2.367°E﻿ / 5.833; 2.367) by U-508 ( Kriegsmarine) with the loss of 29 of her 104 crew. Survivors were rescued by Commandant Detroyant ( Free French Naval Forces). |
| PiLB 103 | Kriegsmarine | World War II: The PiLB 39 Type personnel landing craft was bombed and sunk at Vibo Valentia, Italy. |
| Samuel Heintzelman | United States | World War II: The Liberty ship was torpedoed and sunk in the Indian Ocean (approximately 9°S 81°E﻿ / ﻿9°S 81°E﻿ / -9; 81) by U-511 ( Kriegsmarine) with the loss of all 75 people aboard. |
| Seiner No.20 | Soviet Union | World War II: The oceanographic vessel was shelled and sunk in the Sea of Japan about 27 nautical miles off Kaiba by USS Permit ( United States Navy), which rescued all 12 survivors, but one died of wounds the same day. Another crew had been killed in the shelling. |
| U-232 | Kriegsmarine | World War II: The Type VIIC submarine was depth charged and sunk in the Atlantic Ocean (39°48′N 14°22′W﻿ / ﻿39.800°N 14.367°W﻿ / 39.800; -14.367) by a Vickers Wellington aircraft of 179 Squadron, Royal Air Force with all 46 hands. |
| U-435 | Kriegsmarine | World War II: The Type VIIC submarine was depth charged and sunk in the Atlantic Ocean west of Figueira, Portugal (39°20′N 13°00′W﻿ / ﻿39.333°N 13.000°W﻿ / 39.333; -13.000) by a Consolidated B-24 aircraft of 1st A/S Sqn, USAAF with the loss of all 48 crew. |
| U-590 | Kriegsmarine | World War II: The Type VIIC submarine was depth charged and sunk in the Atlantic Ocean of the mouth of the Amazon River (3°22′N 48°38′W﻿ / ﻿3.367°N 48.633°W﻿ / 3.367; -48.633) by a Consolidated PBY Catalina aircraft of the United States Navy with the loss of all 45 crew. |

## 10 July

List of shipwrecks: 10 July 1943 :
| Ship | State | Description |
| Alice F. Palmer | United States | World War II: The Liberty ship was torpedoed, shelled and sunk in the Indian Ocean (26°30′S 44°20′E﻿ / ﻿26.500°S 44.333°E﻿ / -26.500; 44.333) by U-177 ( Kriegsmarine). All 68 crew were rescued by a Consolidated PBY Catalina aircraft of the Royal Air Force or reached land in their lifeboats. |
| Cygnet | Panama | The cargo ship ran aground off Cape d'Or, Nova Scotia, Canada. She was refloated and beached at Port Greville in a leaky condition. Although declared a constructive total loss, she was repaired and returned to service. |
| Gulfprince | United States | World War II: Convoy LT 22: The tank ship tanker was torpedoed and heavily damaged in the Mediterranean Sea (37°13′N 5°12′E﻿ / ﻿37.217°N 5.200°E﻿ / 37.217; 5.200) by U-371 ( Kriegsmarine) with the loss of one of her 63 crew. She was towed to Algiers, Algeria. Rather than declaring the vessel a total loss, the US War Shipping Administration bought her and chartered the tanker to the US Navy for use as a mobile storehouse in North Africa. She was laid up at Taranto, Italy in March 1945 and consequently sold for scrapping on 20 February 1948. |
| HMS LCT 154 | Royal Navy | The Mk 2 landing craft tank (296/460 t, 1941) foundered off Bizerte, Algeria. |
| HMS LCT 311 | Royal Navy | The Mk 3 landing craft tank (350/640 t, 1942) foundered off Bizerte while under tow. |
| USS LST-313 | United States Navy | World War II: Battle of Gela: The Mk 1 landing craft tank was bombed, set on fire and sunk in the Mediterranean Sea (37°01′N 14°15′E﻿ / ﻿37.017°N 14.250°E﻿ / 37.017; 14.250) off Gela, Sicily, Italy. Between 21 and 27 men were killed depending on sources. |
| M 153 | Kriegsmarine | World War II: The M-class minesweeper was shelled off Ouessant, Britanny, France by HNoMS Glaisdale ( Royal Norwegian Navy) and sank the next day. 18 crew were killed. |
| M 4451 Gauleiter Alfred Meyer | Kriegsmarine | World War II: The auxiliary minesweeper was sunk by a mine off Arcachon, France. 12 crew were killed. |
| USS Maddox | United States Navy | World War II: Battle of Gela: The Gleaves-class destroyer was bombed and sunk in the Mediterranean Sea 16 nautical miles (30 km) off Gela Sicily, Italy by an Italian Royal Air Force Junkers Ju 87 Stuka dive bomber. 210 of her 284 crew were killed. |
| Oriole | Regia Marina | World War II: The M-1915-class minesweeper was bombed at Augusta, Sicily by British aircraft. She was subsequently scuttled. |
| Scandinavia | Sweden | World War II: The cargo ship was torpedoed and sunk in the Atlantic Ocean 200 nautical miles (370 km) north of Cayenne, French Guiana (8°21′N 48°30′W﻿ / ﻿8.350°N 48.500°W﻿ / 8.350; -48.500 by U-510 ( Kriegsmarine). All 25 crew survived. She was on a voyage from Philadelphia, Pennsylvania, United States to Montevideo, Uruguay. |
| USS Sentinel | United States Navy | World War II: Battle of Gela: The Auk-class minesweeper was bombed and sunk in the Mediterranean Sea off Licata, Sicily. 10 of the crew were killed and 51 wounded. Survivors were rescued by USS LCI-33, USS PC-550 and USS SC-530 (all United States Navy). |
| Talamba | India | World War II: Battle of Gela: The hospital ship (8,018 GRT, 1924) was bombed and sunk by Luftwaffe aircraft (36°55′N 15°14′E﻿ / ﻿36.917°N 15.233°E﻿ / 36.917; 15.233) with the loss of five of the 568 people on board. |

## 11 July

List of shipwrecks: 11 July 1943 :
| Ship | State | Description |
| Baarn | Netherlands | World War II: The cargo ship (5,621 GRT, 1927) was bombed and set on fire off Avola, Sicily, Italy (36°55′N 15°13′E﻿ / ﻿36.917°N 15.217°E﻿ / 36.917; 15.217) by German aircraft. She was scuttled by Allied ships. Her 72 crew survived. |
| HMS California | Royal Navy | World War II: Convoy Faith: The troopship (16,792 GRT, 1923) was bombed and set afire in the Atlantic Ocean west of Vigo, Spain by Focke-Wulf Fw 200 aircraft of Kampfgeschwader 40, Luftwaffe and was abandoned with the loss of 46 lives. Survivors were rescued by HMS Douglas, HMS Moyola (both Royal Navy) and HMCS Iroquois ( Royal Canadian Navy). She was scuttled the next day by HMS Douglas. |
| Duchess of York | United Kingdom | World War II: Convoy Faith: The troopship (20,021 GRT, 1929) was bombed and set afire in the Atlantic Ocean west of Vigo by Focke-Wulf Fw 200 aircraft of Kampfgeschwader 40. Survivors were rescued by HMS Douglas, HMS Moyola (both Royal Navy) and HMCS Iroquois ( Royal Canadian Navy) with the loss of 27 lives. She was scuttled the next day. |
| Flutto | Regia Marina | World War II: The Flutto-class submarine was sunk in the Straits of Messina (37°34′N 15°43′E﻿ / ﻿37.567°N 15.717°E﻿ / 37.567; 15.717) by HMMTB 640, HMMTB 651, and HMMTB 670 (all Royal Navy) with the loss of all 49 crew. |
| USS LST-158 | United States Navy | World War II: The Mk. 1 landing ship tank was bombed, abandoned and sank in the Mediterranean Sea (37°05′N 13°55′E﻿ / ﻿37.083°N 13.917°E﻿ / 37.083; 13.917) off Licata, Sicily. |
| Mary Livanos | Greece | World War II: The cargo ship was torpedoed and sunk in the Mozambique Channel (15°40′S 40°45′E﻿ / ﻿15.667°S 40.750°E﻿ / -15.667; 40.750) by U-178 ( Kriegsmarine) with the loss of eight of her 36 crew. |
| Robert Rowan | United States | World War II: The Liberty ship was bombed and sunk in the Mediterranean Sea off Gela, Sicily, Italy (36°47′N 14°30′E﻿ / ﻿36.783°N 14.500°E﻿ / 36.783; 14.500) by German bombers. All 421 crew and passengers left the ship before her ammunition cargo exploded and survived. |
| SG 13 | Kriegsmarine | World War II: The escort vessel was torpedoed and damaged by Allied aircraft in the Mediterranean Sea and was beached. She was refloated on 23 July and taken to La Ciotat, Bouches-du-Rhône France. |
| Taiko Maru | Japan | World War II: Convoy O-404: The transport was torpedoed and sunk in the Philippine Sea (12°45′N 131°50′E﻿ / ﻿12.750°N 131.833°E﻿ / 12.750; 131.833) by USS Gurnard ( United States Navy). Two gunners and ten crewmen killed. |
| Takatori Maru No. 8 | Japan | World War II: The sailing vessel was sunk in the Pacific Ocean off Formosa by USS Flying Fish ( United States Navy). |
| Tell | Germany | World War II: The cargo ship was torpedoed and sunk in the Mediterranean Sea by HMS Saracen ( Royal Navy). |

## 12 July

List of shipwrecks: 12 July 1943 :
| Ship | State | Description |
| African Star | United States | World War II: The Type C2 cargo ship was torpedoed and sunk in the South Atlantic (25°46′S 40°45′W﻿ / ﻿25.767°S 40.750°W﻿ / -25.767; -40.750) by U-172 ( Kriegsmarine) with the loss of one gunner. Survivors were rescued by Maranhao ( Brazilian Navy. |
| Chikuzan Maru | Japan | World War II: The cargo ship was bombed and sunk in the Indian Ocean off Haiphong, French Indochina (20°52′N 106°41′E﻿ / ﻿20.867°N 106.683°E﻿ / 20.867; 106.683) by Consolidated B-24 Liberator aircraft of the American Fourteenth Air Force. |
| MS 62 | Regia Marina | World War II: The MS 51-class MS boat was sunk at Milazzo by Allied aircraft. |
| Niitaka Maru | Japan | World War II: The cargo ship was torpedoed and sunk in the Pacific Ocean off the coast of Japan by USS Plunger ( United States Navy). |
| Ocean Peace | United Kingdom | World War II: The Ocean ship (7,173 GRT, 1942) was bombed and sunk in the Mediterranean Sea off Avola, Sicily, Italy (36°55′N 15°13′E﻿ / ﻿36.917°N 15.217°E﻿ / 36.917; 15.217) by enemy aircraft. |
| Rahmani | United Kingdom | World War II: The passenger ship (5,463 GRT, 1928) was torpedoed and sunk in the Gulf of Aden (14°52′N 52°06′E﻿ / ﻿14.867°N 52.100°E﻿ / 14.867; 52.100) by I-29 ( Imperial Japanese Navy) with the loss of twenty of the 306 people on board. |
| Ro-107 | Imperial Japanese Navy | World War II: Battle of Kula Gulf: The Ro-100-class submarine was sunk off Kolombangara, Solomon Islands by USS Taylor ( United States Navy). Lost with all 42 hands. |
| Tairyo Maru | Japan | World War II: The cargo ship was bombed and sunk in the Indian Ocean off Haiphon by Consolidated B-24 Liberator aircraft of the American Fourteenth Air Force. |
| U-409 | Kriegsmarine | World War II: The Type VIIC submarine was depth charged and sunk in the Mediterranean Sea north of Algiers, Algeria (37°12′N 0°40′E﻿ / ﻿37.200°N 0.667°E﻿ / 37.200; 0.667) by HMS Inconstant ( Royal Navy) with the loss of 11 of her 48 crew. |
| U-506 | Kriegsmarine | World War II: The Type IXC submarine was depth charged and sunk in the Atlantic Ocean west of Vigo, Galicia, Spain (42°30′N 16°30′W﻿ / ﻿42.500°N 16.500°W﻿ / 42.500; -16.500) by a Consolidated B-24 Liberator aircraft of the United States Army Air Forces with the loss of 48 of her 54 crew. |
| U-561 | Kriegsmarine | World War II: The Type VIIC submarine was torpedoed and sunk in the Straits of Messina by HMMTB 81 ( Royal Navy) with the loss of 42 of her 47 crew. |

## 13 July

List of shipwrecks: 13 July 1943 :
| Ship | State | Description |
| Acciaio | Regia Marina | World War II: The Acciaio-class submarine was sunk off Calabria (38°30′N 15°49′E﻿ / ﻿38.500°N 15.817°E﻿ / 38.500; 15.817) by HMS Unruly ( Royal Navy) and was lost with all 46 crew. |
| Cosenza | Italy | World War II: The steamer was sunk west off the Italian coast (39°58′N 14°18′E﻿ / ﻿39.967°N 14.300°E﻿ / 39.967; 14.300) by Allied aircraft. There were 11 dead and 40 survivors. |
| USS Gwin | United States Navy | World War II: Battle of Kolombangara: The Gleaves-class destroyer was scuttled in the Pacific Ocean off the Solomon Islands (7°41′S 157°27′E﻿ / ﻿7.683°S 157.450°E﻿ / -7.683; 157.450) by USS Ralph Talbot ( United States Navy) after battle damage. |
| Jintsū | Imperial Japanese Navy | World War II: Battle of Kolombangara: The Sendai-class cruiser was torpedoed, shelled and sunk in the Pacific Ocean off the Solomon Islands (7°38′S 157°06′E﻿ / ﻿7.633°S 157.100°E﻿ / -7.633; 157.100) by Allied cruisers and destroyers. 482 crewmen were killed. 21 crew were rescued by I-180 ( Imperial Japanese Navy) and two by United States Navy ships. |
| Nereide | Regia Marina | World War II: The Sirena-class submarine was sunk south east of the Straits of Messina (37°25′N 16°07′E﻿ / ﻿37.417°N 16.117°E﻿ / 37.417; 16.117) by HMS Echo and HMS Ilex ( Royal Navy) with the loss of 21 lives. |
| Ste. Christophe | Germany | World War II: The cargo ship was bombed and sunk at Messina, Sicily, Italy by Allied aircraft. |
| Timothy Pickering | United States | World War II: The Liberty ship was bombed and set on fire in the Mediterranean Sea off Avola, Sicily (37°00′N 15°21′E﻿ / ﻿37.000°N 15.350°E﻿ / 37.000; 15.350) by Luftwaffe aircraft. A total of 127 of the 128 British troops, 16 of the 23 gunners, and 22 of the 43 crewmen on board were killed. She was then scuttled by a Royal Navy destroyer. |
| U-487 | Kriegsmarine | World War II: The Type XIV submarine was sunk in the Atlantic Ocean (27°15′N 34°18′W﻿ / ﻿27.250°N 34.300°W﻿ / 27.250; -34.300) by Grumman TBF Avenger and Grumman F4F Wildcat aircraft based on USS Core ( United States Navy) with the loss of 31 of her 68 crew. Survivors were rescued by USS Barker ( United States Navy). |
| U-607 | Kriegsmarine | World War II: The Type VIIC submarine was depth charged and sunk in the Atlantic Ocean north west of Cape Ortegal, Spain (45°02′N 9°14′W﻿ / ﻿45.033°N 9.233°W﻿ / 45.033; -9.233) by a Short Sunderland aircraft of 228 Squadron, Royal Air Force with the loss of 45 of her 52 crew. Survivors were rescued by HMS Wren ( Royal Navy). |
| V 105 / Stefano Galleano | Regia Marina | World War II: The armed patrol schooner was sunk west of Ostia by gunfire from HNLMS Dolfijn ( Royal Netherlands Navy). One of the crew was killed, two were reported missing and three were wounded. |

## 14 July

List of shipwrecks: 14 July 1943 :
| Ship | State | Description |
| Capitaine Le Diabat | Germany | World War II: The cargo ship was bombed and sunk off Montecristo, Italy by Allied aircraft. |
| Harvard | United Kingdom | World War II: The auxiliary schooner (114 GRT, 1891) was shelled and sunk in the Atlantic Ocean east of Trinidad (10°05′N 60°20′W﻿ / ﻿10.083°N 60.333°W﻿ / 10.083; -60.333) by U-572 ( Kriegsmarine). All eight crew were rescued by USAT State of Virginia ( United States Army). |
| HMMGB 641 | Royal Navy | World War II: The motor gun boat (90/107 t, 1942) was sunk in the Strait of Messina by coastal battery fire and return fore from Nichelio ( Regia Marina). The whole crew survived and were rescued by MGB 643 and MGB 646 (both Royal Navy). |
| I-179 | Imperial Japanese Navy | The Kaidai VII (I-176-class) submarine sank in the Inland Sea of Japan off the Akizaki Lighthouse in a diving drill when a hatch was left open. Seventy-nine crew were killed. Raised and scrapped between April 1956 and March 1957. |
| USS LCT-19 | United States Navy | World War II: The Mk. 5 landing craft tank was bombed and sunk by German aircraft off Salerno, Italy. |
| Robert Bacon | United States | World War II: The Liberty ship was torpedoed and sunk in the Indian Ocean off Portuguese East Africa (15°25′S 41°13′E﻿ / ﻿15.417°S 41.217°E﻿ / -15.417; 41.217) by U-178 ( Kriegsmarine) with the loss of five of her 71 crew. Survivors were rescued by English Prince and Steaua Romana (both United Kingdom) or reached land in their lifeboat. |
| San Francisco | Germany | World War II: The cargo ship was bombed and sunk 35 nautical miles (65 km) west of Cape Corso, Corsica, France by British aircraft. |
| U-160 | Kriegsmarine | World War II: The Type IXC submarine was sunk in the Atlantic Ocean by Grumman TBM Avenger and Grumman F4F Wildcat aircraft based on USS Santee ( United States Navy) with the loss of all 57 crew. |
| V 265 Cesena | Regia Marina | World War II: The armed patrol schooner was sunk west off Calabria (39°16′N 17°13′E﻿ / ﻿39.267°N 17.217°E﻿ / 39.267; 17.217) by gunfire from HMS Unshaken ( Royal Navy). There were six survivors, two of them wounded, nine were missing. |
| Venezia | Italy | World War II: The cargo ship was bombed and sunk at Messina, Sicily by Allied aircraft. |

## 15 July

List of shipwrecks: 15 July 1943 :
| Ship | State | Description |
| Aquitania | Italy | World War II: The cargo ship was torpedoed and sunk by aircraft off Barcelona, Spain, or was bombed and sunk in the Tyrrhenian Sea off Civitavecchia by Allied aircraft. |
| Empire Lake | United Kingdom | World War II: The cargo ship (2,852 GRT, 1941) was torpedoed and sunk in the Indian Ocean 240 nautical miles (440 km) east of Madagascar (21°27′S 51°47′E﻿ / ﻿21.450°S 51.783°E﻿ / -21.450; 51.783) by U-181 ( Kriegsmarine) with the loss of 31 of her 38 crew. |
| Gilbert B. Walters | United Kingdom | World War II: The schooner (176 GRT, 1919) was shelled and sunk in the Atlantic Ocean south east of Trinidad (9°40′N 59°50′W﻿ / ﻿9.667°N 59.833°W﻿ / 9.667; -59.833) by U-572 ( Kriegsmarine). All 11 crew survived. |
| Harmonic | United Kingdom | World War II: The cargo ship (4,558 GRT, 1930) was torpedoed and sunk in the South Atlantic 600 nautical miles (1,100 km) east of Rio de Janeiro, Brazil (23°00′S 33°00′W﻿ / ﻿23.000°S 33.000°W﻿ / -23.000; -33.000) by U-172 ( Kriegsmarine) with the loss of one of her 47 crew. Survivors were rescued by Imhambane ( Portugal). |
| MAS 535, MAS 548 | Regia Marina | World War II: The MAS 526-class MAS boats were sunk at Termini Imerese by Allied aircraft. |
| Remo | Regia Marina | World War II: The R-class submarine was torpedoed and sunk in the Straits of Messina (39°19′N 17°30′E﻿ / ﻿39.317°N 17.500°E﻿ / 39.317; 17.500) by HMS United ( Royal Navy). 55 crew were killed. The four survivors were rescued by the British submarine. |
| Twickenham | United Kingdom | World War II: Convoy OS 51: The cargo ship was torpedoed and severely damaged in the Atlantic Ocean off the Canary Islands (28°36′N 13°18′W﻿ / ﻿28.600°N 13.300°W﻿ / 28.600; -13.300 by U-135 ( Kriegsmarine). Twickenham was on a voyage from Hull, Yorkshire to Buenos Aires, Argentina. Initially taken under tow, she subsequently put in to Dakar, Senegal under her own steam. Following temporary repairs, she departed from Dakar on 21 October 1944 for South Shields, County Durham, where she was repaired and subsequently returned to service. |
| U-135 | Kriegsmarine | World War II: The Type VIIC submarine was depth charged and sunk in the Atlantic Ocean (28°20′N 13°17′W﻿ / ﻿28.333°N 13.283°W﻿ / 28.333; -13.283) by HMS Balsam, HMS Mignonette, HMS Rochester (all Royal Navy) and an American Consolidated PBY Catalina aircraft with the loss of five of her 46 crew. |
| U-509 | Kriegsmarine | World War II: The Type IXC submarine was torpedoed and sunk in the Atlantic Ocean north west of Madeira, Portugal (34°02′N 26°01′W﻿ / ﻿34.033°N 26.017°W﻿ / 34.033; -26.017) by Grumman TBF Avenger aircraft based on USS Santee ( United States Navy) with the loss of all 54 crew. |
| U-759 | Kriegsmarine | World War II: The Type VIIC submarine was depth charged and sunk in the Caribbean Sea (15°58′N 73°44′W﻿ / ﻿15.967°N 73.733°W﻿ / 15.967; -73.733) by a Martin PBM Mariner aircraft of the United States Navy with the loss of all 47 crew. |
| Unknown landing craft | Imperial Japanese Navy | World War II: The landing craft was sunk alongside the cruiser Nagara ( Imperial Japanese Navy) when a mine detonated against Nagara at Kavieng, New Britain. |

## 16 July

List of shipwrecks: 16 July 1943 :
| Ship | State | Description |
| Bjørkhaug | Norway | World War II: The cargo ship was destroyed by the explosion of her cargo of land mines at Algiers, Algeria with the loss of nine of her 30 crew. Fort Confidence ( United Kingdom) was set on fire. Around 1,000 people were killed in the port. |
| HMS Cleopatra | Royal Navy | World War II: The Dido-class cruiser was torpedoed and severely damaged in the Mediterranean Sea by Dandolo ( Regia Marina). Repairs took until November 1944 to complete. |
| Fort Confidence | United Kingdom | The Fort ship (7,135 GRT, 1942) caught fire at Algiers following the explosion of Bjørkhaug ( Norway). She was taken under tow by the tug Hudson ( Netherlands) and was beached. She was declared a total loss. |
| Fort Franklin | United Kingdom | World War II: The Fort ship (7,135 GRT, 1942) was torpedoed and sunk in the Indian Ocean south east of Réunion (22°36′S 51°22′E﻿ / ﻿22.600°S 51.367°E﻿ / -22.600; 51.367) by U-181 ( Kriegsmarine) with the loss of two of her 55 crew. |
| Nippon | Sweden | World War II: The fishing boat was sunk by a mine in the Skagerrak. The whole crew survived. |
| Richard Caswell | United States | World War II: The Liberty ship was torpedoed and sunk in the South Atlantic 150 nautical miles (280 km) off Floranapolis, Brazil (28°10′S 46°30′W﻿ / ﻿28.167°S 46.500°W﻿ / -28.167; -46.500) by U-513 ( Kriegsmarine) with the loss of nine of her 69 crew. Survivors were rescued by USS Barnegat ( United States Navy), Mexico ( Argentina) or reached land in their lifeboats. |
| U-67 | Kriegsmarine | World War II: The Type IXC submarine was depth charged and sunk in the Atlantic Ocean (30°05′N 44°17′W﻿ / ﻿30.083°N 44.283°W﻿ / 30.083; -44.283) by aircraft based on USS Core ( United States Navy) with the loss of 48 of her 51 crew. |
| Urado Maru | Japan | The cargo ship was sunk in a collision with Seizan Maru ( Japan) off Hojo. Survivors rescued by Seizan Maru. |
| William F. Humphrey | United States | World War II: The cargo ship was shelled, torpedoed and sunk in the Atlantic Ocean 500 miles (800 km) west of Pointe Noire, West Africa by Michel ( Kriegsmarine). Two gunners and four crewmen killed. Her master, two gunners, and eight crewmen were rescued by Triton ( Norway). Michel rescued two gunners and 26 crewmen, taking them as prisoners of war. One wounded gunner died on board. Survivors were turned over to the Japanese. Three crewmen died in Japanese prison camps and one when Junyo Maru ( Japan) was sunk. |

## 17 July

List of shipwrecks: 17 July 1943 :
| Ship | State | Description |
| City of Canton | United Kingdom | World War II: The cargo ship (6,692 GRT, 1916) was torpedoed and sunk in the Indian Ocean north east of Beira, Portuguese East Africa (13°52′S 41°10′E﻿ / ﻿13.867°S 41.167°E﻿ / -13.867; 41.167) by U-178 ( Kriegsmarine) with the loss of eight of her 103 crew. One survivor was taken aboard U-178 as a prisoner of war, the rest were rescued by Lubao ( Portugal) and Suffren ( Free French Naval Forces). |
| Hatsuyuki | Imperial Japanese Navy | World War II: The Fubuki-class destroyer was bombed by US aircraft at Kahili, Shortland Islands (06°50′S 155°47′E﻿ / ﻿6.833°S 155.783°E﻿ / -6.833; 155.783) detonating the aft magazine and sinking her in shallow water. A total of 82 crewmen and 38 soldiers were killed. |
| M 346 | Kriegsmarine | World War II: The M-class minesweeper was torpedoed and sunk by Shch-403 ( Soviet Navy) in Tanafjord, Norway (71°07′N 28°19′E﻿ / ﻿71.117°N 28.317°E﻿ / 71.117; 28.317). 32 of her 76 crew were killed. |
| HMS MTB 316 | Royal Navy | World War II: The Elco 77' PT boat (30/54 t, 1942) was shelled and sunk with the loss of all 11 hands by Scipione Africano ( Regia Marina) off Reggio, Italy. |
| Ransæter | Norway | World War II: The coaster (236 GRT, 1927) struck a mine and sank off Sørfolda, Norway, with the loss of four of the 12 people aboard. |
| UJ 1705 Mob FD 61 | Kriegsmarine | World War II: The submarine chaser was sunk off Sognesjøen, Norway by Bristol Beaufighter aircraft of 235 Squadron, Royal Air Force and 404 Squadron, Royal Canadian Air Force. Two crew died. |

## 18 July

List of shipwrecks: 18 July 1943 :
| Ship | State | Description |
| Amalia | Regia Marina | World War II: The auxiliary minesweeper was shelled and sunk in the Mediterranean Sea off the northeastern coast of Sardinia (40°42′N 9°49′E﻿ / ﻿40.700°N 9.817°E﻿ / 40.700; 9.817) by HMS Safari ( Royal Navy). The 13 crew all survived. The master was captured by the British. |
| Costante Neri | Regia Marina | World War II: The auxiliary minesweeper was shelled and sunk east of the island of Gorgona, Italy by HMS Sickle ( Royal Navy). The whole crew was rescued. |
| Dunarea 1 | Romania | World War II: The lighter was sunk in the Kerch Strait by M-111 ( Soviet Navy). |
| Incomati | United Kingdom | World War II: The passenger ship (7,369 GRT, 1934) was torpedoed and sunk in the Atlantic Ocean 200 nautical miles (370 km) south of Lagos, Nigeria (3°09′N 4°15′E﻿ / ﻿3.150°N 4.250°E﻿ / 3.150; 4.250) by U-508 ( Kriegsmarine) with the loss of one of the 223 people aboard. Survivors were rescued by HMS Boadicea and HMS Bridgewater (both Royal Navy). |
| USS LST-342 | United States Navy | World War II: The Mk 1 landing ship tank was torpedoed and sunk in the Solomon Sea by Ro-106 ( Imperial Japanese Navy) south east of New Georgia (09°03′S 158°11′E﻿ / ﻿9.050°S 158.183°E﻿ / -9.050; 158.183). |
| Romolo | Regia Marina | World War II: The R-class submarine was bombed and sunk in the Ionian Sea east of Augusta, Sicily (37°20′N 16°18′E﻿ / ﻿37.333°N 16.300°E﻿ / 37.333; 16.300) by Vickers Wellington aircraft of 221 Squadron, Royal Air Force. |
| Rosa Madre | Regia Marina | World War II: The auxiliary minesweeper was shelled and sunk east of the island of Gorgona, Italy by HMS Sickle ( Royal Navy). The whole crew was rescued. |
| USS YF-487 | United States Navy | The self-propelled covered lighter sank in the Caribbean Sea. |

## 19 July

List of shipwrecks: 19 July 1943 :
| Ship | State | Description |
| USAT Delwood | United States Army | While laying fire-control cable, the 3,923-gross register ton, 320.7-foot (97.7 m) cable ship struck a submerged pinnacle bearing 190 degrees from Alexai Point (52°48′45″N 173°18′30″E﻿ / ﻿52.81250°N 173.30833°E﻿ / 52.81250; 173.30833﻿ (Alexai Point)) on Attu Island in the Aleutian Islands. Pulled off by USS Ute ( United States Navy) and sank without loss of life. |
| Kaituna | United Kingdom | World War II: The tanker (4,914 GRT, 1938) was damaged by a limpet mine in the Mediterranean Sea off Cyprus and was consequently beached. |
| Mikage Maru No.20 | Imperial Japanese Army | World War II: The Shinsei Maru No. 18-class transport was torpedoed and sunk in the Pacific Ocean off the Marshall Islands (18°45′N 166°04′E﻿ / ﻿18.750°N 166.067°E﻿ / 18.750; 166.067) by USS Porpoise ( United States Navy). Three crewmen were killed. |
| NKI-09 Alane | Kriegsmarine | World War II: The patrol boat was torpedoed and sunk by S-56 ( Soviet Navy) off Gamvik, Norway. 21 of her 45 crew were killed. |
| R-33 | Kriegsmarine | World War II: The Type R-25 minesweeper was bombed and sunk by Soviet aircraft at Yalta, Soviet Union. |
| U-513 | Kriegsmarine | World War II: The Type IXC submarine was depth charged and sunk in the South Atlantic south east of São Francisco do Sol, Brazil (27°17′S 47°32′W﻿ / ﻿27.283°S 47.533°W﻿ / -27.283; -47.533) by Martin PBM Mariner aircraft of the United States Navy with the loss of 46 of her 53 crew. |
| Vidar | Sweden | World War II: The cargo ship struck a mine and sank in the North Sea off Terschelling, Friesland, Netherlands. The whole crew survived. |

## 20 July

List of shipwrecks: 20 July 1943 :
| Ship | State | Description |
| F 147 | Kriegsmarine | World War II: The Type A Marinefahrprahm was sunk by Allied fighter-bombers in the port of Riposto, Sicily. The whole crew was saved. |
| F 466 | Kriegsmarine | World War II: The Type C Marinefahrprahm was sunk by Allied fighter-bombers in the port of Riposto, Sicily. |
| Fort Pelly | United Kingdom | World War II: The tanker (7,131 GRT, 1942) was bombed, caught fire, exploded and sank at Augusta, Sicily, Italy during a raid by enemy aircraft. Out of a crew of 47 and 23 gunners, 32 crew and 6 gunners were killed. |
| Kiyonami | Imperial Japanese Navy | World War II: The Yūgumo-class destroyer was bombed and sunk in the Pacific Ocean north north west of Kolombangara, Solomon Islands (7°13′S 156°45′E﻿ / ﻿7.217°S 156.750°E﻿ / -7.217; 156.750) by North American B-25 Mitchell aircraft of the United States Army Air Force. Lost with all hands, including survivors of Yūgure ( Imperial Japanese Navy). |
| USS PT-166 | United States Navy | World War II: The Elco 80' PT boat was sunk by friendly fire from North American B-25 Mitchell aircraft of the United States Army Air Force in the Ferguson Passage, off Vonavona Island, south of Kolombangara (08°15′S 156°53′E﻿ / ﻿8.250°S 156.883°E﻿ / -8.250; 156.883). |
| Silvio Onorato | Regia Marina | World War II: The armed yacht was torpedoed and sunk in the Mediterranean Sea by HMS Safari ( Royal Navy). |
| U-558 | Kriegsmarine | World War II: The Type VIIC submarine was depth charged and sunk in the Bay of Biscay (45°10′N 9°42′W﻿ / ﻿45.167°N 9.700°W﻿ / 45.167; -9.700) by two Consolidated B-24 Liberator aircraft of the 19th Bombardment Squadron, United States Army Air Forces and a Handley Page Halifax aircraft of 58 Squadron, Royal Air Force with the loss of 45 of her 50 crew. The survivors were rescued by HMCS Athabaskan ( Royal Canadian Navy). |
| UJ 1423 Emanuella | Kriegsmarine | The submarine chaser struck a sunken wreck and foundered off Lorient, Morbihan, France. |
| V 805 Island | Kriegsmarine | World War II: The Vorpostenboot struck a mine and sank in the North Sea off Terschelling, Friesland, Netherlands (53°26′N 5°14′E﻿ / ﻿53.433°N 5.233°E﻿ / 53.433; 5.233) with the loss of 22 lives. |
| V 1014 Richard Ohlrogge | Kriegsmarine | World War II: The Vorpostenboot struck a mine and sank in the Great Belt. |
| V 6114 | Kriegsmarine | World War II: The Vorpostenboot was torpedoed and sunk by a submarine off Gamvik, Norway. |
| Yūgure | Imperial Japanese Navy | World War II: The Hatsuharu-class destroyer was bombed and sunk in the Pacific Ocean north north west of Kolombangara (7°25′S 156°45′E﻿ / ﻿7.417°S 156.750°E﻿ / -7.417; 156.750) by Grumman TBM Avenger aircraft of the United States Marine Corps. Survivors were rescued by Kiyonami ( Imperial Japanese Navy). |

## 21 July

List of shipwrecks: 21 July 1943 :
| Ship | State | Description |
| Empire Florizel | United Kingdom | World War II: Allied invasion of Sicily: The cargo ship (7,056 GRT, 1943) was bombed and sunk at Augusta, Sicily by Luftwaffe aircraft. Two of her crew, four gunners and three passengers were killed. |
| Harbor Minesweeper No. 3 | Imperial Japanese Navy | The small harbor minesweeper was sunk in a collision with transport Hakozaki Maru ( Imperial Japanese Navy) at Yokosuka. |
| Manolo | Spain | World War II: The fishing vessel was captured and scuttled by HMCS Iroquois ( Royal Canadian Navy) in a prohibited area of Bay of Biscay. Her 14 crew were put aboard the destroyer. |
| MO-123 | Soviet Navy | World War II: The MO-4-class patrol vessel was bombed and sunk by Focke-Wulf Fw 190 aircraft of 14.(Jabo)/JG 5 in Motovsky Bay while trying to rescue Soviet soldiers stranded on German held coast. There were 26 dead and 1 survivor. The other vessel involved in the rescue attempt, MO-111 ( Soviet Navy), had 2 killed and 11 wounded. |
| Ocean Virtue | United Kingdom | World War II: The Ocean ship (7,174 GRT, 1942) was bombed and sunk at Augusta by Luftwaffe aircraft. She was salvaged later that year and converted with passenger accommodation in 1946. |
| Saipan Maru | Japan | World War II: The cargo ship was torpedoed and sunk in the Pacific Ocean north of Palau (16°29′N 123°57′E﻿ / ﻿16.483°N 123.950°E﻿ / 16.483; 123.950) by USS Haddock ( United States Navy) with the loss of 2 crew and 33 passengers. |
| U-662 | Kriegsmarine | World War II: The Type VIIC submarine was depth charged and sunk in the Amazon Estuary (3°56′N 48°46′W﻿ / ﻿3.933°N 48.767°W﻿ / 3.933; -48.767) by a Consolidated PBY Catalina aircraft of the United States Navy with the loss of 44 of her 47 crew. Survivors were rescued by USS Siren ( United States Navy). |

## 22 July

List of shipwrecks: 22 July 1943 :
| Ship | State | Description |
| Durazzo | Regia Marina | World War II: The Fasana-class minelayer was sunk east of Corsica by HMS Safari ( Royal Navy). There were four killed and three wounded. |
| Empire Moon | United Kingdom | World War II: The cargo ship (7,472 GRT, 1941) was torpedoed and damaged in the Mediterranean Sea (36°42′N 15°20′E﻿ / ﻿36.700°N 15.333°E﻿ / 36.700; 15.333) by U-81 ( Kriegsmarine). She was towed to Syracuse, Sicily and beached. All 48 crew survived. Although declared a total loss, she was refloated in June 1945, repaired and returned to service. |
| F 149 | Kriegsmarine | World War II: The Type A Marinefahrprahm, damaged by Allied fighter-bombers, ran aground on the northern coast of Sicily. She was scuttled after the failure of a rescue operation. |
| F 546 | Kriegsmarine | World War II: The Type C Marinefahrprahm ran aground on the northern coast of Sicily while trying to help F 149. She was scuttled after the failure of a rescue operation. |
| Hudayi Bahri | Turkey | World War II: The vessel was shelled and sunk in the Bosphorus by L-4 ( Soviet Navy). |
| Isolina Costade | Spain | World War II: The fishing vessel was captured and scuttled by HMCS Iroquois ( Royal Canadian Navy) in a prohibited area of Bay of Biscay. |
| HMS MTB 288 | Royal Navy | World War II: The Vosper 72'-class motor torpedo boat (37/45 t, 1943) was bombed and sunk by German aircraft off Augusta, Sicily. |
| Nisshin | Imperial Japanese Navy | World War II: The seaplane carrier was bombed and sunk by American aircraft off the south east tip of Bougainville Island, Solomon Islands (06°33′S 156°10′E﻿ / ﻿6.550°S 156.167°E﻿ / -6.550; 156.167). Five hundred and thirty-nine troops and an undetermined number of crew were killed; 91 troops and 87 crew were rescued. |
| Vivero | Spain | World War II: The fishing vessel was captured and scuttled by ORP Orkan ( Polish Navy) in a prohibited area of Bay of Biscay. |
| VU-61 | Soviet Navy | World War II: The G-5-class motor torpedo boat had been converted into a remotely-controlled boat and was used in an attack against Anapa. There was no crew aboard. |

## 23 July

List of shipwrecks: 23 July 1943 :
| Ship | State | Description |
| Aderno | Italy | World War II: The cargo liner was torpedoed and sunk in the Tyrrhenian Sea off Civitavecchia, Italy (42°04′N 11°47′E﻿ / ﻿42.067°N 11.783°E﻿ / 42.067; 11.783) by HMS Torbay ( Royal Navy). There were 40 survivors. |
| RFA Alcides | Royal Fleet Auxiliary | World War II: The tanker (7,634 GRT, 1930) was torpedoed and sunk in the Indian Ocean (approximately 3°S 68°E﻿ / ﻿3°S 68°E﻿ / -3; 68) by I-10 ( Imperial Japanese Navy). Twelve of her 52 crew were killed. The 40 survivors took to the lifeboats. Three officers were taken aboard I-10 as prisoners of war; the other 37 crew were massacred in the lifeboats. |
| Ascianghi | Regia Marina | World War II: The Adua-class submarine was depth charged and sunk in the Mediterranean Sea 10 nautical miles (19 km) off Augusta, Sicily by HMS Eclipse and HMS Laforey (both Royal Navy). 21 sailors were lost, while the British destroyers captured the 27 survivors, one of which died of wounds. |
| F 432 | Kriegsmarine | The Type C Marinefahrprahm was damaged beyond repair by Allied fighter-bomber aircraft off the northern coast of Sicily and was scuttled by her crew. All aboard survived, 8 being wounded. |
| F 460 | Kriegsmarine | World War II: The MFP-C landing craft was heavily damaged by Allied fighter-bomber aircraft off the northern coast of Sicily and was scuttled after a failed tow attempt. All aboard survived, two being wounded. |
| Gurpinar | Turkey | World War II: The vessel was shelled and sunk in the Bosphorus by L-4 ( Soviet Navy). |
| M-152 | Kriegsmarine | World War II: The Type 1935 minesweeper struck a mine and sank in the Gironde estuary, France, with the loss of 50 crew. |
| HMS Newfoundland | Royal Navy | World War II: The Crown Colony-class cruiser was torpedoed and damaged in the Mediterranean Sea off Syracuse, Sicily by U-407 ( Kriegsmarine). One crew was killed and 6 wounded. Repairs took until November 1944 to complete. |
| U-527 | Kriegsmarine | World War II: The Type IXC/40 submarine was depth charged and sunk in the Atlantic Ocean (35°25′N 27°56′W﻿ / ﻿35.417°N 27.933°W﻿ / 35.417; -27.933) by Grumman TBF Avenger aircraft based on USS Bogue ( United States Navy) with the loss of 40 of her 49 crew. |
| U-598 | Kriegsmarine | World War II: The Type VIIC submarine was depth charged and sunk in the Atlantic Ocean off Natal, Brazil (4°05′S 33°23′W﻿ / ﻿4.083°S 33.383°W﻿ / -4.083; -33.383) by two Consolidated B-24 Liberator aircraft of the United States Navy with the loss of 43 of her 45 crew. |
| U-613 | Kriegsmarine | World War II: The Type VIIC submarine was depth charged and sunk in the Atlantic Ocean south of the Azores, Portugal (35°35′N 28°36′W﻿ / ﻿35.583°N 28.600°W﻿ / 35.583; -28.600) by USS George E. Badger ( United States Navy) with the loss of all 48 crew. |

## 24 July

List of shipwrecks: 24 July 1943 :
| Ship | State | Description |
| Cicogna | Regia Marina | World War II: The Gabbiano-class corvette was wrecked off Messina after being damaged by American aircraft. |
| Fort Chilcotin | United Kingdom | World War II: The Fort ship (7,133 GRT, 1942) was torpedoed and sunk in the Atlantic Ocean 420 nautical miles (780 km) east south east of Bahia, Brazil (15°03′S 32°35′W﻿ / ﻿15.050°S 32.583°W﻿ / -15.050; -32.583) by U-172 ( Kriegsmarine) with the loss of four of her 57 crew. Survivors were rescued by Tacito ( Argentina). |
| Henzada | United Kingdom | World War II: The cargo ship (4,161 GRT, 1934) was torpedoed and sunk in the South Atlantic 100 nautical miles (190 km) south west of Rio de Janeiro, Brazil (25°30′S 44°00′W﻿ / ﻿25.500°S 44.000°W﻿ / -25.500; -44.000) by U-199 ( Kriegsmarine) with the loss of two of her 64 crew. Survivors were rescued by Baltic ( Panama). |
| Hoflein | Germany | World War II: The tugboat was sunk by mines near Temryuk with the loss of 11 lives. |
| Pegasus | Sweden | World War II: The tanker was torpedoed and sunk in the Indian Ocean south west of Madagascar (28°05′S 37°40′E﻿ / ﻿28.083°S 37.667°E﻿ / -28.083; 37.667) by U-197 ( Kriegsmarine). All 38 crew were rescued by R-2 ( South African Air Force) and HMY Virginia ( Royal Navy). |
| U-459 | Kriegsmarine | World War II: The Type XIV submarine was attacked in the Atlantic Ocean off Cape Ortegal, Spain (45°53′N 10°38′W﻿ / ﻿45.883°N 10.633°W﻿ / 45.883; -10.633) by Vickers Wellington aircraft of 172 and 547 Squadrons, Royal Air Force with the loss of 18 of her 59 crew. She was scuttled due to damage received. |
| U-622 | Kriegsmarine | World War II: The Type VIIC submarine was sunk at Trondheim, Norway (63°27′N 10°23′E﻿ / ﻿63.450°N 10.383°E﻿ / 63.450; 10.383) in a United States Army Air Forces raid. There were no casualties. |

## 25 July

List of shipwrecks: 25 July 1943 :
| Ship | State | Description |
| FO 16 Frundsberg | Kriegsmarine | The guard ship was sunk on this date. |
| Fasan | Germany | World War II: The hospital ship was bombed and sunk during an American air raid on Hamburg. |
| FR.70 | Regia Marina | World War II: The minelayer was torpedoed and sunk in the Mediterranean Sea by HMS Safari ( Royal Navy). There were 6 dead and 29 survivors. |
| G 1 | Germany | World War II: The submarine chaser was destroyed on the stocks during an American air raid on Hamburg. |
| General Artigas | Kriegsmarine | World War II: The accommodation ship was bombed. caught fire, capsized and sunk at Hamburg. The wreck was refloated 1945–46 and scrapped. |
| Haakon Jarl | Norway | World War II: The cargo ship (2,102 GRT, 1943) was bombed and sunk at Hamburg in an Allied air raid. She was on her maiden voyage at the time. Refloated in November 1943, repairs completed in February 1947 and re-entered service as Svein Jarl. |
| Hermod | Germany | World War II: The cargo ship was sunk at Hamburg in an Allied air raid. She was refloated in 1950, repaired and entered West German service. |
| R-186 | Kriegsmarine | World War II: The Type R-151 minesweeper was sunk off Spadafora, Italy (38°17′N 15°29′E﻿ / ﻿38.283°N 15.483°E﻿ / 38.283; 15.483) by Allied aircraft with the loss of two lives. |
| S 44 | Kriegsmarine | World War II: The Type 1939/40 E-boat was bombed and sunk at Kiel, Germany. One crew was killed. She was raised the next day but declared a total loss. |
| S 77 | Kriegsmarine | World War II: The Type 1939/40 E-boat was sunk by HMMGB 40 and HMMGB 42 (both Royal Navy) north of Dunkirk, France. 18 crew were killed. |
| Suwa Maru | Japan | World War II: The cargo ship was torpedoed and sunk in the Pacific Ocean by USS Finback, USS Seadragon and USS Tunny (all United States Navy). |
| T-904 | Soviet Navy | World War II: The naval trawler struck a mine and sank in the Yugor Strait (69°34′N 59°56′E﻿ / ﻿69.567°N 59.933°E﻿ / 69.567; 59.933) with the loss of ten of her 45 crew. Survivors were rescued by T-879 and T-887 (both Soviet Navy). |
| Thames Maru | Imperial Japanese Army | World War II: Convoy 2323: The Daifuku Maru No. 1-class auxiliary transport was torpedoed, broke in two and sunk in the Pacific Ocean (02°46′N 148°35′E﻿ / ﻿2.767°N 148.583°E﻿ / 2.767; 148.583) 240 miles (390 km) north of Manus by USS Pompon ( United States Navy). Two gunners and four crewmen were killed. |
| U-996 | Kriegsmarine | World War II: The Type VIIC/41 submarine was sunk in an American air raid on Hamburg. |
| U-1011 | Kriegsmarine | World War II: The Type VIIC/41 submarine was destroyed on the stocks during an American air raid on Hamburg. |
| U-1012 | Kriegsmarine | World War II: The Type VIIC/41 submarine was destroyed on the stocks during an American air raid on Hamburg. |
| V 801 Max Gundelach | Kriegsmarine | World War II: The Vorpostenboot was sunk in the North Sea west of Terschelling, Friesland, Netherlands by Allied action. 11 crew were killed. |
| Vaterland | Germany | World War II: The ocean liner was destroyed by fire during an American air raid on Hamburg. Wreck scrapped in 1948. |
| Veendam | Germany | World War II: The barge was bombed and sunk during an American air raid on Hamburg. |
| Viminale | Italy | World War II: The troopship was sunk in the Mediterranean Sea (38°44′N 15°50′E﻿ / ﻿38.733°N 15.833°E﻿ / 38.733; 15.833) by USS PT-216, ( United States Navy) while under tow from Melito di Porto Salvo to Taranto. Four crew were killed. There were 18 survivors. |
| Weissesee | Germany | World War II: The cargo ship was bombed and sunk by aircraft at Hamburg. Wreck raised and scrapped in 1949. |
| Zhdanov | Soviet Union | World War II: The trawler struck a mine and sank in the Matochkin Strait, Soviet Union. |

## 26 July

List of shipwrecks: 26 July 1943 :
| Ship | State | Description |
| Alberto Fassio | Italy | World War II: The tanker struck a mine and sank in the Gulf of Patras, Greece. |
| El Argentino | United Kingdom | World War II: The cargo ship was bombed and sunk in the Atlantic Ocean off Lisbon, Portugal (39°50′N 3°36′W﻿ / ﻿39.833°N 3.600°W﻿ / 39.833; -3.600) by Focke-Wulf Fw 200 aircraft of the Luftwaffe with the loss of four of the 104 people on board. |
| Empire Brutus | United Kingdom | World War II: The cargo ship was bombed and severely damaged in the Atlantic Ocean (39°50′N 13°38′W﻿ / ﻿39.833°N 13.633°W﻿ / 39.833; -13.633) by Luftwaffe aircraft and was abandoned by her crew. Subsequently reboarded, she was towed in to the Tagus by the tug Empire Samson ( United Kingdom). Empire Brutus was repaired and returned to service. |
| Fishpool | United Kingdom | World War II: The cargo ship was bombed and sunk off Syracuse, Sicily, Italy (37°03′05″N 15°17′10″E﻿ / ﻿37.05139°N 15.28611°E﻿ / 37.05139; 15.28611) by Axis aircraft with the loss of 28 of her 53 crew. The wreck was removed in 1949. |
| Gyoraitei No. 115 | Imperial Japanese Navy | The TM 4/No. 102-class motor torpedo boat burned at Rabaul. |
| U-359 | Kriegsmarine | World War II: The Type VIIC submarine was depth charged and sunk in the Caribbean Sea south off the south west tip of Haiti (18°06′N 75°00′W﻿ / ﻿18.100°N 75.000°W﻿ / 18.100; -75.000) by a Martin PBM Mariner aircraft of the United States Navy with the loss of all 47 crew. |

## 27 July

List of shipwrecks: 27 July 1943 :
| Ship | State | Description |
| Akademik Shokalski | Soviet Union | World War II: The survey ship was shelled and sunk off Sporyji Navolok in the Kara Sea by U-255 ( Kriegsmarine) with the loss of eleven of her 25 crew. Survivors were rescued by Poljarnik ( Soviet Union). |
| Château Yquem | France | World War II: The cargo ship was torpedoed and sunk in the Mediterranean Sea (42°04′N 8°20′E﻿ / ﻿42.067°N 8.333°E﻿ / 42.067; 8.333) by HMS Usurper ( Royal Navy). |
| Empire Highway | United Kingdom | World War II: The cargo ship was bombed and damaged west of Gibraltar. Subsequently repaired and returned to service. |
| Halizones | United Kingdom | World War II: Convoy OS52: The cargo ship was bombed and damaged in the Atlantic Ocean north west of Lisbon (38°04′N 12°59′W﻿ / ﻿38.067°N 12.983°W﻿ / 38.067; -12.983 by Focke-Wulf Fw 200 aircraft of the Luftwaffe. She was taken in tow, but sank on 30 July at 37°22′N 13°03′W﻿ / ﻿37.367°N 13.050°W﻿ / 37.367; -13.050. There were no casualties. |
| Hamburg | Kriegsmarine | World War II: The decommissioned barracks ship, a former Bremen-class cruiser, was sunk in an American air raid on Hamburg. The wreck was raised in 1949 and scrapped in 1956. |
| Hirashima | Imperial Japanese Navy | World War II: The Sokuten-class minelayer was torpedoed and sunk in the East China Sea west of the Goto Islands, off Cape Ose, Fukue Jima (02°50′S 149°01′E﻿ / ﻿2.833°S 149.017°E﻿ / -2.833; 149.017) by USS Sawfish ( United States Navy). |
| I-168 | Imperial Japanese Navy | World War II: The Kaidai-class submarine was torpedoed and sunk in the Steffen Strait (31°00′N 130°33′E﻿ / ﻿31.000°N 130.550°E﻿ / 31.000; 130.550) by USS Scamp ( United States Navy) with the loss of all 97 hands. |
| HMS LCT 353 | Royal Navy | World War II: The Mk 3 landing craft tank (350/640 t, 1942) was bombed and sunk off Syracuse, Sicily by Italian aircraft. One sailor was killed. |
| Lighter No. 3032 | Soviet Union | The tanker lighter was wrecked in the Caspian Sea near the Makhachkala. |
| No. 014 | Soviet Navy | The MO-4-class patrol vessel was lost on this date. |
| No. 125 | Soviet Navy | The MO-4-class patrol vessel was lost on this date. |
| Teikin Maru | Japan | World War II: The government-chartered British Wartime Standard Type C7 cargo ship (1,972 GRT, 1919) (a.k.a. Teikun Maru) struck a mine in the South China Sea off Hainan Island (19°57′N 109°05′E﻿ / ﻿19.950°N 109.083°E﻿ / 19.950; 109.083) and sank. |

## 28 July

List of shipwrecks: 28 July 1943 :
| Ship | State | Description |
| Ariake | Imperial Japanese Navy | World War II: The Hatsuharu-class destroyer was bombed and sunk off Cape Gloucester, New Guinea by North American B-25 Mitchell aircraft of the United States Army Air Forces. |
| Mikazuki | Imperial Japanese Navy | World War II: The Hatsuharu-class destroyer was bombed and sunk off Cape Gloucester by North American B-25 Mitchell aircraft of the United States Army Air Forces. |
| Buena Esperanca | Spain | World War II: The fishing vessel was captured by HMS Kite, HMS Woodpecker, HMS Woodcock and HMS Wild Goose (all Royal Navy) north west of Cape Ortgal and was scuttled. Her crew were put aboard the fishing vessel H. De Valterra ( Spain) and allowed to return to Spain. |
| Comparrel | Spain | World War II: The fishing vessel was captured by HMS Kite, HMS Woodpecker, HMS Woodcock and HMS Wild Goose (all Royal Navy) north west of Cape Ortgal and was scuttled. Her crew were put aboard the fishing vessel H. De Valterra ( Spain) and allowed to return to Spain. |
| Don Antonio | Spain | World War II: The fishing vessel was captured by HMS Kite, HMS Woodpecker, HMS Woodcock and HMS Wild Goose (all Royal Navy) north west of Cape Ortgal and was scuttled. Her crew were put aboard the fishing vessel H. De Valterra ( Spain) and allowed to return to Spain. |
| El Viro X | Spain | World War II: The fishing vessel was captured by HMS Kite, HMS Woodpecker, HMS Woodcock and HMS Wild Goose (all Royal Navy) north west of Cape Ortgal and was scuttled. Her crew were put aboard the fishing vessel H. De Valterra ( Spain) and allowed to return to Spain. |
| Europe 5 | Spain | World War II: The fishing vessel was captured by HMS Kite, HMS Woodpecker, HMS Woodcock and HMS Wild Goose (all Royal Navy) north west of Cape Ortgal and was scuttled. Her crew were put aboard the fishing vessel H. De Valterra ( Spain) and allowed to return to Spain. |
| Gapern | Sweden | World War II: The steamer was sunk during an air attack on Hamburg, Germany. One crew was killed. She was later raised and repaired. |
| Montenegro Costas | Spain | World War II: The fishing vessel was captured by HMS Kite, HMS Woodpecker, HMS Woodcock and HMS Wild Goose (all Royal Navy) north west of Cape Ortgal and was scuttled. Her crew were put aboard the fishing vessel H. De Valterra ( Spain) and allowed to return to Spain. |
| Ro-103 | Imperial Japanese Navy | World War II: The Ro-100-class submarine struck a mine and sank north of New Georgia, Solomon Islands. Lost with all 43 hands. |
| Rosalia | Netherlands | World War II: The tanker was torpedoed and sunk in the Caribbean Sea (12°07′N 69°13′W﻿ / ﻿12.117°N 69.217°W﻿ / 12.117; -69.217) by U-615 ( Kriegsmarine) with the loss of 23 of her 36 crew. Survivors were rescued by HNLMS H-8 and HNLMS MBR-50 (both Royal Netherlands Navy). |
| Tamishima Maru | Japan | World War II: The cargo ship was bombed and sunk in the Andaman Sea south of Rangoon, Burma by Consolidated B-24 Liberator aircraft of the American Fourteenth Air Force. |
| U-159 | Kriegsmarine | World War II: The Type IXC submarine was depth charged and sunk in the Caribbean Sea south of the Dominican Republic (15°47′N 68°30′W﻿ / ﻿15.783°N 68.500°W﻿ / 15.783; -68.500) by a Martin PBM Mariner aircraft of the United States Navy with the loss of all 53 crew. |
| U-404 | Kriegsmarine | World War II: The Type VIIC submarine was depth charged and sunk in the Bay of Biscay north west of Cape Ortegal, Spain (45°53′N 9°25′W﻿ / ﻿45.883°N 9.417°W﻿ / 45.883; -9.417) by Consolidated B-24 Liberator aircraft of 224 Squadron, Royal Air Force and 4th Anti-Submarine Squadron, United States Army Air Forces. |

## 29 July

List of shipwrecks: 29 July 1943 :
| Ship | State | Description |
| Cornish City | United Kingdom | World War II: The cargo ship (4,952 GRT, 1936) was torpedoed and sunk in the Indian Ocean (27°20′S 52°10′E﻿ / ﻿27.333°S 52.167°E﻿ / -27.333; 52.167) by U-177 ( Kriegsmarine) with the loss of 37 of her 43 crew. Survivors were rescued by HMAS Nizam ( Royal Australian Navy). |
| Empire Darwin | United Kingdom | World War II: The cargo ship was bombed and damaged by Luftwaffe aircraft west of Cape Finisterre, Spain (44°52′N 16°00′W﻿ / ﻿44.867°N 16.000°W﻿ / 44.867; -16.000). Subsequently repaired and returned to service. |
| Pietro Micca | Regia Marina | World War II: The Pietro Micca-class submarine was sunk in the entrance to the Adriatic Sea (39°48′N 18°43′E﻿ / ﻿39.800°N 18.717°E﻿ / 39.800; 18.717) by HMS Trooper ( Royal Navy). |
| S 137 | Kriegsmarine | World War II: The S 38-class Schnellboot was sunk during an Allied air raid on Kiel, Germany. She was raised on 2 August but was later written off as damaged beyond repair. |
| USS Tuna | United States Navy | World War II: The Tambor-class submarine was depth charged and severely damaged by a Consolidated PBY Catalina of the Royal Australian Air Force. Repairs took until 21 August to complete. |
| U-614 | Kriegsmarine | World War II: The Type VIIC submarine was depth charged and sunk in the Atlantic Ocean north west of Cape Finisterre, Spain (46°42′N 11°03′W﻿ / ﻿46.700°N 11.050°W﻿ / 46.700; -11.050) by a Vickers Wellington aircraft of 172 Squadron, Royal Air Force with the loss of all 49 crew. |

## 30 July

List of shipwrecks: 30 July 1943 :
| Ship | State | Description |
| Emba | Soviet Union | World War II: The tanker (7,886 t) was torpedoed and sunk in the port of Sokhumi by U-24 ( Kriegsmarine). |
| Ryuzan Maru | Japan | World War II: The cargo ship was torpedoed and sunk in the Java Sea (6°31′S 111°26′E﻿ / ﻿6.517°S 111.433°E﻿ / -6.517; 111.433) by USS Finback ( United States Navy). |
| T-911 | Soviet Navy | World War II: Convoy BA 12: The auxiliary minesweeper was torpedoed and sunk in the Barents Sea off Novaya Zemlya (71°07′N 51°50′E﻿ / ﻿71.117°N 51.833°E﻿ / 71.117; 51.833) by U-703 ( Kriegsmarine) with the loss of 28 of her 42 crew. Survivors were rescued by T-901 ( Soviet Navy). |
| U-43 | Kriegsmarine | World War II: The Type IXA submarine was torpedoed and sunk in the Atlantic Ocean (34°57′N 35°11′W﻿ / ﻿34.950°N 35.183°W﻿ / 34.950; -35.183) by Grumman TBF Avenger aircraft based on USS Santee ( United States Navy) with the loss of all 55 crew. |
| U-375 | Kriegsmarine | World War II: The Type VIIC submarine was depth charged and sunk in the Mediterranean Sea north west of Malta (36°40′N 12°28′E﻿ / ﻿36.667°N 12.467°E﻿ / 36.667; 12.467) by USS PC-624 ( United States Navy) with the loss of all 46 hands. |
| U-461 | Kriegsmarine | World War II: The Type XIV submarine was depth charged and sunk in the Bay of Biscay west of Cape Ortegal, Spain (45°33′N 10°48′W﻿ / ﻿45.550°N 10.800°W﻿ / 45.550; -10.800) by a Short Sunderland aircraft of 461 Squadron, Royal Australian Air Force with the loss of 53 of her 68 crew. |
| U-462 | Kriegsmarine | World War II: The Type XIV submarine was depth charged and sunk in the Bay of Biscay (45°33′N 10°58′W﻿ / ﻿45.550°N 10.967°W﻿ / 45.550; -10.967) by a Handley Page Halifax aircraft of 502 Squadron, Royal Air Force and by HMS Kite, HMS Wild Goose, HMS Woodcock, HMS Woodpecker and HMS Wren (all Royal Navy) with the loss of one of her 65 crew. |
| U-504 | Kriegsmarine | World War II: The Type IXC submarine was sunk in the Bay of Biscay by HMS Kite, HMS Wild Goose, HMS Wren and HMS Woodpecker (all Royal Navy) with the loss of all 53 crew. |
| U-591 | Kriegsmarine | World War II: The Type VIIC submarine was depth charged and sunk in the South Atlantic (8°36′S 34°34′W﻿ / ﻿8.600°S 34.567°W﻿ / -8.600; -34.567) by a Lockheed Ventura aircraft of the United States Navy with the loss of nineteen of her 47 crew. |

## 31 July

List of shipwrecks: 31 July 1943 :
| Ship | State | Description |
| Constellation | United States | The schooner was driven onto a reef, or the wreck of North Carolina ( United Kingdom), by strong currents 8.5 nautical miles (15.7 km; 9.8 mi)south west of Gibbs Hill Lighthouse, Bermuda. |
| Mogamigawa Maru | Imperial Japanese Navy | World War II: Convoy 3724: The aircraft transport was torpedoed and sunk in the South China Sea (11°04′N 153°18′E﻿ / ﻿11.067°N 153.300°E﻿ / 11.067; 153.300) north of Truk by USS Pogy ( United States Navy). A total of 130 crew and passengers were killed; 600 survivors were rescued by Seiko Maru ( Imperial Japanese Navy). |
| U-199 | Kriegsmarine | World War II: The Type IXD2 submarine was depth charged and sunk in the South Atlantic (23°54′S 42°54′W﻿ / ﻿23.900°S 42.900°W﻿ / -23.900; -42.900) by a Consolidated PBY Catalina and an A-28 aircraft of the Brazilian Navy and a Martin PBM Mariner aircraft of the United States Navy with the loss of 49 of her 61 crew. Her captain and eleven crewmen were rescued by USS Barnegat ( United States Navy) and made prisoners of war. |
| V 624 Köln | Kriegsmarine | World War II: The naval drifter/Vorpostenboot was heavily damaged by a mine off the Loire estuary. She was towed to Saint-Nazaire and was not repaired until the end of the war. |

## Unknown date

List of shipwrecks: Unknown date in July 1943 :
| Ship | State | Description |
| Katendrecht | Netherlands | The cargo ship was damaged in a collision with another vessel and further damaged by weather. She put in to New York, United States and was laid up. She was scrapped in 1946–47. |
| Magdaleine Vinnen | Germany | World War II: The cargo ship was severely damaged in an Allied air raid on Hamburg. She was towed to Copenhagen, Denmark for repairs. Seized as a prize of war in 1945, she was later repaired and entered service as Empire Ribble under the British flag. |
| HMS Parthian | Royal Navy | World War II: The Parthian-class submarine (1,760/2,040 t, 1931) was lost in the Adriatic Sea sometime after 28 July with the loss of all 65 crew. |
| ShCh-422 | Soviet Navy | World War II: The Shchuka-class submarine struck a mine and sank off northern Norway between 5 and 28 July with all 45 hands. |
| U-647 | Kriegsmarine | World War II: The Type VIIC submarine was lost on patrol in the Atlantic Ocean north of the Shetland Islands, United Kingdom on or after 28 July with the loss of all 48 crew. Cause unknown. |