# List of shipwrecks in March 1945

The list of shipwrecks in March 1945 includes ships sunk, foundered, grounded, or otherwise lost during March 1945.

## 1 March

List of shipwrecks: 1 March 1945 :
| Ship | State | Description |
| Chohakusan Maru | Imperial Japanese Navy | World War II: The Kongosan Maru-class auxiliary gunboat was sunk in shallow water in the Pacific Ocean off Naha, Okinawa by United States Navy aircraft. The wreck was moved to deeper water during a tunnel project sometime between November 1997 and July 2006. The new wreck site was located on 3 August 2019. |
| Chōkai Maru | Imperial Japanese Navy | The auxiliary guard ship was lost on this date. |
| Daiken Maru | Japan | World War II: The transport was sunk in the Pacific Ocean off Miyako Jima (24°23′N 124°12′E﻿ / ﻿24.383°N 124.200°E﻿ / 24.383; 124.200) by United States Navy aircraft from Task Force 38. Twenty passengers and sixteen crewmen were killed. |
| Daishin Maru | Japan | World War II: Convoy KATA-604: The transport was sunk in Kuji Bay, Amami Ōshima by United States Navy aircraft from Task Force 38. Sixty passengers and two crewmen were killed. |
| Eisho Maru | Imperial Japanese Navy | World War II: Convoy HI-88G: The oiler was bombed and sunk off Yulin, Hainan Island. Twenty-nine passengers and seven crewmen were killed. |
| USS Hannibal | United States Navy | The collier was bombed and sunk as a target in Chesapeake Bay. |
| Hokuhi Maru | Imperial Japanese Navy | World War II: The auxiliary transport (948 GRT 1903) was bombed and sunk by Consolidated B-24 Liberator aircraft south of Mako, Formosa (25°35′N 119°38′E﻿ / ﻿25.583°N 119.633°E﻿ / 25.583; 119.633). Personnel transferred to Boat No. 210. |
| Hoshi Maru No. 11 | Japan | World War II: Convoy KATA-604: The transport (a.k.a. Juichei Maru) was sunk in Kuji Bay, Amami Ōshima by United States Navy aircraft from Task Force 38. Lost on board were 82 Imperial Japanese Army explosive motor boats. |
| Kinezaki | Imperial Japanese Navy | World War II: Convoy KATA-604: The Kinezaki-class supply ship was bombed and sunk in Kuji Bay, Amami Ōshima (28°10′N 129°05′E﻿ / ﻿28.167°N 129.083°E﻿ / 28.167; 129.083) by United States Navy aircraft from Task Force 38. |
| Kinzan Maru | Japan | World War II: The transport was sunk off Kuji Bay, Amami ŌŌshima by United States Navy aircraft from Task Force 38. Two gunners were killed. |
| M 2 | Kriegsmarine | World War II: The Type 1935 minesweeper was bombed and sunk in Fedjeford, Norway by Royal Air Force aircraft. |
| M 575 | Kriegsmarine | The Type 1916 minesweeper sank during a storm in the Little Belt. 43 crew who died were buried in Sweden. |
| Maddalena G. | Germany | World War II: The cargo ship was scuttled at Lido di Venezia, Italy. The wreck was scrapped in 1946. |
| Manazuru | Imperial Japanese Navy | World War II: The Chidori-class torpedo boat was sunk in the Pacific Ocean off Naha, Okinawa (26°17′N 127°35′E﻿ / ﻿26.283°N 127.583°E﻿ / 26.283; 127.583) by United States Navy aircraft from Task Force 38. |
| Robert L. Vann | United States | World War II: The Liberty ship struck a mine and sank in the North Sea off Ostend, West Flanders, Belgium (51°23′N 2°51′E﻿ / ﻿51.383°N 2.850°E﻿ / 51.383; 2.850). |
| S 220 | Kriegsmarine | World War II: The Type 1939/40 Schnellboot was sunk by HMS Seymour ( Royal Navy) in the North Sea. Three crewmen were killed. |
| Taisui Maru | Japan | World War II: The cargo ship struck a mine and sank off Shimonoseki. |
| Tateyama Maru | Japan | World War II: The cargo ship was torpedoed and sunk in the Pacific Ocean south of Honshu by USS Sterlet ( United States Navy). |
| Toyosaka Maru | Imperial Japanese Navy | World War II: Convoy SA-11: The Toyosaka Maru-class auxiliary transport was sunk in the Pacific Ocean off Miyako Jima (24°23′N 124°12′E﻿ / ﻿24.383°N 124.200°E﻿ / 24.383; 124.200) by United States Navy aircraft from Task Force 38. Four crewmen were killed. |
| Tsubame | Imperial Japanese Navy | World War II: Convoy SA-11: The Tsubame-class minelayer was torpedoed and sunk off Miyako Jima in the Pacific Ocean (24°23′N 124°12′E﻿ / ﻿24.383°N 124.200°E﻿ / 24.383; 124.200) by United States Navy aircraft from Task Force 38. |

## 2 March

List of shipwrecks: 2 March 1945 :
| Ship | State | Description |
| BO-224 | Soviet Navy | World War II: The BO-201-class submarine chaser was torpedoed and sunk in the Barents Sea (69°21′N 33°38′E﻿ / ﻿69.350°N 33.633°E﻿ / 69.350; 33.633) by U-995 ( Kriegsmarine) with the loss of seven of her 31 crew. |
| Chokai Maru | Imperial Japanese Navy | World War II: The guard boat was torpedoed and sunk in the Pacific Ocean south of Honshu by USS Bowfin ( United States Navy). |
| F 237A | Kriegsmarine | The MFP-A landing craft was sunk on this date. |
| King Edgar | United Kingdom | World War II: Convoy SC 167: The cargo ship (4,536 GRT, 1927) was torpedoed and sunk in St. George's Channel (52°05′N 5°42′W﻿ / ﻿52.083°N 5.700°W﻿ / 52.083; -5.700) by U-1302 ( Kriegsmarine) with the loss of four of her 46 crew. Survivors were rescued by HMS Nyasaland ( Royal Navy). |
| USS LCT-1029 | United States Navy | World War II: The LCT Mk 6-class landing craft tank was holed in the engine room when she struck a submerged wreck. She was driven ashore on Iwo Jima and abandoned. |
| Nichirin Maru | Imperial Japanese Navy | World War II: Convoy SA-11: The auxiliary transport (1,020 GRT 1915) was bombed and sunk in the East China Sea, about 65 nautical miles (120 km; 75 mi) north of Taisho-Jima, Senkaku Shoto (27°12′N 124°22′E﻿ / ﻿27.200°N 124.367°E﻿ / 27.200; 124.367) by United States Navy Consolidated PB4Y aircraft from Squadron VPB-119. Seventeen crewmen were killed. |
| Novasli | Norway | World War II: Convoy SC 167: The cargo ship (3,204 GRT, 1920) was torpedoed and damaged in the Bristol Channel (51°47′N 5°32′W﻿ / ﻿51.783°N 5.533°W﻿ / 51.783; -5.533) by U-1302 ( Kriegsmarine). All 36 crew were rescued by HMT Helier II ( Royal Navy), which scuttled the ship. |
| Rixhöft | Kriegsmarine | World War II: The tug struck a mine and sank in the Baltic Sea off Warnemünde, Mecklenburg-Western Pomerania. Only 7 of her 26 crew were saved. |
| U-3519 | Kriegsmarine | World War II: The Type XXI submarine struck a mine and sank in the Baltic Sea off Warnemünde (54°11′N 12°05′E﻿ / ﻿54.183°N 12.083°E﻿ / 54.183; 12.083) with the loss of 75 of the 78 people aboard (65 crew and 13 passengers). |

## 3 March

List of shipwrecks: 3 March 1945 :
| Ship | State | Description |
| Andros | Germany | World War II: The cargo ship was severely damaged in an Allied air raid on Swinemünde. |
| F 295 | Kriegsmarine | World War II: The A Type Marinefährprahm was sunk by an air attack off Storvik, Norway. |
| Hario | Imperial Japanese Navy | World War II: Convoy HI-94: The Hario-class fleet oiler struck a mine in Yulinakin Bay off Cape Bastion, Hainan Island, China (18°10′N 109°40′E﻿ / ﻿18.167°N 109.667°E﻿ / 18.167; 109.667). She sank the next day. |
| Nissho Maru No. 2 | Imperial Japanese Navy | World War II: The Nissho Maru No. 2-class auxiliary transport was torpedoed and sunk in the Pacific Ocean south of Honshu, 22 nautical miles (41 km; 25 mi) east north east of Mikura-jima (34°05′N 139°54′W﻿ / ﻿34.083°N 139.900°W﻿ / 34.083; -139.900) by USS Trepang ( United States Navy) with the loss of 38 crewmen. |
| HMS Sealion | Royal Navy | The S-class submarine (768/960 t, 1934) was scuttled as an ASDIC target off the Isle of Arran, Scotland. |
| HMT Southern Flower | Royal Navy | World War II: The naval trawler (328 GRT, 1928) was torpedoed and sunk in the Atlantic Ocean off Reykjavík, Iceland (64°05′N 23°15′W﻿ / ﻿64.083°N 23.250°W﻿ / 64.083; -23.250) by U-1022 ( Kriegsmarine) with the loss of 25 of her 26 crew. |
| HMAS Steady Hour | Royal Australian Navy | The patrol boat (50 GRT, 1940) was destroyed in a fire off Darwin, Australia. |
| Suiten Maru | Imperial Japanese Navy | World War II: The auxiliary transport ship was torpedoed and sunk in the Java Sea north of Malang, Java (06°29′S 112°48′E﻿ / ﻿6.483°S 112.800°E﻿ / -6.483; 112.800) by USS Sea Robin ( United States Navy). 32 crew killed. |
| T-143 | Imperial Japanese Navy | World War II: The No. 103-class landing ship was bombed and sunk at 23°35′N 121°03′E﻿ / ﻿23.583°N 121.050°E﻿ / 23.583; 121.050 by US 5th Air Force North American B-25 Mitchell aircraft. |
| Yaei Maru No. 1 | Imperial Japanese Navy | World War II: Convoy HI-88G: The oiler (a.k.a. Iyasaka Maru No. 1) was bombed and sunk in Linkao Bay, Hainan Island (18°32′N 108°16′E﻿ / ﻿18.533°N 108.267°E﻿ / 18.533; 108.267). Two passengers, two gunners and 27 crewmen were killed. |

## 4 March

List of shipwrecks: 4 March 1945 :
| Ship | State | Description |
| CH-8 | Imperial Japanese Navy | World War II: The No.4-class submarine chaser was shelled and sunk in the Strait of Malacca (04°04′N 110°35′E﻿ / ﻿4.067°N 110.583°E﻿ / 4.067; 110.583) by HMS Terrapin and HMS Trenchant (both Royal Navy). There were 108 survivors. |
| Kiku Maru | Imperial Japanese Navy | World War II: The auxiliary submarine chaser was torpedoed and sunk in the Strait of Malacca by HMS Clyde ( Royal Navy). |
| Palembang Maru | Japan | World War II: Convoy HI-98: The Standard Type 1TM tanker was torpedoed and sunk off Cap Varella, French Indochina (12°52′N 103°30′E﻿ / ﻿12.867°N 103.500°E﻿ / 12.867; 103.500) by USS Baya ( United States Navy). Sixty-seven crewmen, 59 gunners and nine passengers were killed. |
| Siko Maru | Japan | World War II: The vessel was sunk in the Pacific Ocean south of Kyushu by USS Tilefish ( United States Navy). |
| U-3508 | Kriegsmarine | World War II: The Type XXI submarine was bombed and sunk at Wilhelmshaven, Lower Saxony in an Allied air raid. She was subsequently raised. |

## 5 March

List of shipwrecks: 5 March 1945 :
| Ship | State | Description |
| Kasuga Maru | Imperial Japanese Navy | World War II: Convoy SAYU-02: The auxiliary submarine chaser was sunk by United States 5th Air Force North American B-25 Mitchell aircraft off French Indochina (15°32′N 108°37′E﻿ / ﻿15.533°N 108.617°E﻿ / 15.533; 108.617). |
| HMS LCP(R) 979 | Royal Navy | World War II: The landing craft personnel (ramped) (5.9/8.2 t, 1943) was lost in the Eastern Theatre. |
| USS LCS(L)-127 | United States Navy | The landing craft support grounded on San Clemente Island, California and was declared a total loss. |
| Manyo Maru | Imperial Japanese Navy | World War II: The auxiliary gunboat was torpedoed and sunk in the Java Sea by USS Sea Robin ( United States Navy). |
| Nagara Maru | Imperial Japanese Navy | World War II: The auxiliary netlayer was torpedoed and sunk in the Java Sea south west of the Masalembu Islands, Netherlands East Indies (05°41′S 114°01′E﻿ / ﻿5.683°S 114.017°E﻿ / -5.683; 114.017) by USS Sea Robin ( United States Navy). |
| Ryoei Maru | Imperial Japanese Navy | World War II: Convoy HI-98: The tanker was torpedoed and sunk in the South China Sea north-east of Tourane, French Indochina (16°46′N 108°41′E﻿ / ﻿16.767°N 108.683°E﻿ / 16.767; 108.683) by USS Bashaw ( United States Navy). Nine passengers, nineteen gunners and nineteen crewmen were killed. |
| S 626 | Kriegsmarine | World War II: The MAS 501-class MAS boat was shelled and damaged by mistake by German shore batteries, later sank while under tow near La Spezia, Italy. |
| Seishin Maru | Japan | World War II: The tanker was torpedoed and sunk in the South China Sea by USS Bashaw ( United States Navy). |
| Shoyo Maru | Japan | World War II: The cargo ship was torpedoed and sunk in the Java Sea by USS Sea Robin ( United States Navy). |
| Tamon Maru No. 4 | Japan | World War II: The tanker was torpedoed and sunk in the Pacific Ocean south of Honshu by USS Sterlet ( United States Navy). |
| Ujina Maru | Imperial Japanese Navy | World War II: Convoy SAYU-02: The auxiliary submarine chaser was sunk by United States 5th Air Force B-25 Mitchell aircraft off French Indochina (15°32′N 108°37′E﻿ / ﻿15.533°N 108.617°E﻿ / 15.533; 108.617). |
| W-15 | Imperial Japanese Navy | World War II: Convoy MOTA-40: The No.13-class minesweeper was torpedoed in the stern off Akusekijima, Ryukyu Islands (29°36′N 129°45′E﻿ / ﻿29.600°N 129.750°E﻿ / 29.600; 129.750) by USS Tilefish ( United States Navy) and beached on Suwasi Island. Declared a constructive total loss. |
| Yusen Maru No. 11 GO | Imperial Japanese Navy | World War II: Convoy SAYU-02: The auxiliary submarine chaser was lost on this date. |

## 6 March

List of shipwrecks: 6 March 1945 :
| Ship | State | Description |
| Empire Geraint | United Kingdom | World War II: The tanker (6,991 GRT, 1942) was torpedoed and damaged at Milford Haven, Pembrokeshire by U-775 ( Kriegsmarine). She was beached with her back broken. Refloated on 30 April, repaired and returned to service. |
| Green Hill Park | Canada | The Park ship (7,168 GRT, 1944) was damaged by fire at Vancouver, British Columbia. She was declared a constructive total loss but was repaired and re-entered service in 1946 as the Panamanian-flagged Phaeax II. |
| Hansa | Kriegsmarine | World War II: The transport ship struck a mine in the Baltic Sea off the Gedser Lightship ( Germany). She was taken in tow for Warnemünde but consequently sank. The whole crew was saved. She was salvaged in December 1949 and returned to service by the Soviet Union in 1950. |
| IV 53 Scarpanto | Kriegsmarine | World War II: The guard ship was sunk by three Royal Navy ships off the Istrian coast. Raised, repaired, and put in Yugoslav service as Pag in 1952. |
| HMS LCT 492 | Royal Navy | The landing craft tank Mk 3 (350/625 t, 1944) capsized and sank in the Red Sea. |
| Rikko Maru | Japan | World War II: The Imperial Japanese Army-chartered Rikko Maru-class auxiliary tanker broke in two at the location of a torpedo hit inflicted on 31 August 1944 and sank off Kirun, Formosa (25°09′N 121°44′E﻿ / ﻿25.150°N 121.733°E﻿ / 25.150; 121.733) during a typhoon while awaiting repairs. |
| Robert Mohring | Germany | World War II: The hospital ship was bombed and sunk in a RAF Bomber Command air raid on Saßnitz, Mecklenburg-Western Pomerania with the loss of 353 lives. |
| UJ 1119 Julius Pickenpack | Kriegsmarine | World War II: The Este-class submarine chaser was sunk in a RAF Bomber Command air raid on Saßnitz. |
| XE 11 | Royal Navy | The midget submarine (30.3/33.6 t, 1944) collided with a Royal Navy boom defence vessel in Loch Striven with the loss of two of her four crew. |
| Z28 | Kriegsmarine | World War II: The Type 1936A-class destroyer was sunk in a RAF Bomber Command air raid on Saßnitz. 150 crewmen died. |

## 7 March

List of shipwrecks: 7 March 1945 :
| Ship | State | Description |
| F 200 | Kriegsmarine | World War II: The Marinefährprahm was sunk in the Kattegat by de Havilland Mosquito aircraft of 235 and 248 Squadrons, Royal Air Force. |
| F 218 | Kriegsmarine | World War II: The Marinefährprahm was sunk in the Kattegat by de Havilland Mosquito aircraft on 235 and 248 Squadrons, Royal Air Force. |
| F 285 | Kriegsmarine | World War II: The Marinefährprahm was sunk in the Kattegat by de Havilland Mosquito aircraft on 235 and 248 Squadrons, Royal Air Force. |
| F 974D | Kriegsmarine | The MFP-D landing craft was sunk on this date. |
| Hamburg | Germany | World War II: The passenger ship struck a mine and sank in the Baltic Sea off Saßnitz (54°30′00″N 13°42′12″E﻿ / ﻿54.50000°N 13.70333°E﻿ / 54.50000; 13.70333). Salvaged by the Soviets in 1950, she was rebuilt as a factory ship, returning to service in 1960 as Yuri Dolgoruky. |
| MAL 37 | Kriegsmarine | World War II: The incomplete MAL 2 type landing fire support lighter was sunk at Krupp Shipyard, Rheinhausen. |
| Orotava | Germany | World War II: The depot ship was attacked by Soviet aircraft and sank off Sassnitz with the loss of 353 lives. She was refloated in 1945 and scrapped. |
| Peter von Danzig | Germany | World War II: The cargo ship struck a mine and sank in the Baltic Sea off the Swedish coast. |
| Sofia | Germany | World War II: The E-boat support ship struck a mine and sank off Swinemünde. She was salvaged post-war and entered Soviet service in 1946 as Nadir. |
| U-1302 | Kriegsmarine | World War II: The Type VIIC/41 submarine was depth charged and sunk in St. George's Channel (52°19′N 5°23′W﻿ / ﻿52.317°N 5.383°W﻿ / 52.317; -5.383) by HMCS La Hulloise, HMCS Strathadam and HMCS Thetford Mines (all Royal Canadian Navy) with the loss of all 48 crew. |
| V 1610 Innsbruck | Kriegsmarine | World War II: The Vorpostenboot was sunk in the Kattegat by de Havilland Mosquito aircraft on 235 and 248 Squadrons, Royal Air Force. |
| V 1612 Gotha | Kriegsmarine | World War II: The Vorpostenboot was sunk in the Kattegat by de Havilland Mosquito aircraft on 235 and 248 Squadrons, Royal Air Force. |

## 8 March

List of shipwrecks: 8 March 1945 :
| Ship | State | Description |
| Benjamin R. Milam | United States | The Liberty ship sank in the Atlantic Ocean off Baltimore, Maryland following an explosion in her engine room. She was refloated, repaired and returned to service. |
| C R P No 4 | United States | The 33-gross register ton, 55.7-foot (17.0 m) scow sank in Prince William Sound on the south-central coast of the Territory of Alaska. |
| CD-69 | Imperial Japanese Navy | World War II: The Type C escort ship was bombed and damaged in the South China Sea off the east coast of Hainan Island, China (19°02′N 110°56′E﻿ / ﻿19.033°N 110.933°E﻿ / 19.033; 110.933) by a Consolidated B-24 Liberator aircraft of the United States Fourteenth Air Force, taking a bomb down the funnel and blowing out the bottom of the ship. Three officers and 23 crewmen were killed and 30 were wounded. After emergency strengthening of the hull she was being towed to Hong Kong when she broke in two and sank on 16 March 8 nautical miles (15 km) off Hong Kong (22°00′N 113°40′E﻿ / ﻿22.000°N 113.667°E﻿ / 22.000; 113.667). |
| Lornaston | United Kingdom | World War II: Convoy ONA 289: The cargo ship (4,934 GRT, 1925) was torpedoed and sunk in the English Channel off Fécamp, Seine-Inférieure, France (50°34′40″N 0°03′20″W﻿ / ﻿50.57778°N 0.05556°W﻿ / 50.57778; -0.05556) by U-275 ( Kriegsmarine). All 48 crew were rescued by HMS Holmes and HMS Palencia (both Royal Navy). |
| Vs 250 | Kriegsmarine | The KSK-2-class naval drifter/Vorpostenboot was lost on this date. |
| USS YF-926 | United States Navy | The self-propelled covered lighter sank in the Pacific Ocean en route to Hawaii Territory. |

## 9 March

List of shipwrecks: 9 March 1945 :
| Ship | State | Description |
| Avalanche | French Navy | World War II: The CH-101-class submarine chaser was scuttled in the Mekong River at My Tho, French Indochina by Amiral Charner ( French Navy). Raised, repaired and returned to service post war. |
| Borbeck | Kriegsmarine | World War II: The cargo ship was torpedoed and sunk in the Baltic Sea north east of Hela (55°03′N 20°45′E﻿ / ﻿55.050°N 20.750°E﻿ / 55.050; 20.750) by aircraft and S-303 ( Soviet Navy). |
| Cam Rahn | French Navy | World War II: The stores vessel was scuttled at Vinh Long, French Indochina. |
| Commandant Bourdais | French Navy | World War II: The CH-101-class submarine chaser was sunk in the Gulf of Tonkin by Japanese aircraft. Raised, repaired and returned to service post war. |
| Crayssac | French Navy | World War II: The patrol vessel was scuttled at Along Bay, French Indochina. |
| Dalarö | Sweden | World War II: The fishing boat was sunk by a mine northwest of Hirtshals, Denmark with the loss of four of her six crew. |
| Francis Garnier | French Navy | World War II: The Frances Garnier-class gunboat was shelled and set on fire by Japanese forces, and then scuttled by her crew in the Mekong River at Kratie, French Indochina. |
| Frezouls | French Navy | World War II: The patrol vessel was scuttled at Along Bay, French Indochina. |
| Kaiko Maru | Imperial Japanese Navy | World War II: The auxiliary gunboat was torpedoed and sunk in the Pacific Ocean south of Honshu by USS Trepang ( United States Navy). |
| La Perouse | French Navy | World War II: The hydrographic vessel was scuttled at Vinh Long, French Indochina. |
| M-412 | Kriegsmarine | World War II: Granville Raid: The M 1940-class minesweeper ran aground at Granville, France, and was scuttled. |
| Maurice Long | French Navy | World War II: The patrol vessel was scuttled in the Mekong River at Can Tho, French Indochina. |
| Meteor II | Kriegsmarine | World War II: The hospital ship (3,718 GRT, 1904) was being used as a troopship against the rules of war. She was bombed and sunk at Pillau, East Prussia by Soviet Air Force aircraft with the loss of 24 of the 300 people on board. |
| My Tho | French Navy | World War II: The Tourane-class gunboat was scuttled by Amiral Charner ( French Navy) in the Mekong River at My Tho. |
| USS PC-564 | United States Navy | World War II: Granville Raid: The PC-461-class patrol craft was shelled and heavily damaged by Kriegsmarine Artilleriefährprahms and beached on the French coast at the Pierre de Herpin Lighthouse. She was later refloated, repaired and returned to service. |
| Paul Bert | French Navy | World War II: The auxiliary minesweeper was scuttled by Amiral Charner ( French Navy) in the Mekong River at My Tho, French Indochina. |
| Robert Ley | Kriegsmarine | World War II: The ocean liner was set afire during a Royal Air Force air raid on Hamburg and was burnt out. The wreck was towed to the United Kingdom in 1947 and scrapped. |
| Tourane | French Navy | World War II: The Tourane-class gunboat was scuttled at Donnai, French Indochina. |
| Tsukiyura Maru | Imperial Japanese Navy | World War II: The auxiliary gunboat was torpedoed and sunk in the Pacific Ocean south of Honshu by USS Trepang ( United States Navy). |
| V 6607 Wappen Von Hamburg | Kriegsmarine | The Steiermark-class naval whaler was lost to an unknown cause on this date. |
| Vs 221 | Kriegsmarine | The KSK-2-class naval drifter/Vorpostenboot was sunk in a collision. |
| Vigilante | French Navy | World War II: The Vigilante-class gunboat was scuttled at Haiphong, French Indochina. |

## 10 March

List of shipwrecks: 10 March 1945 :
| Ship | State | Description |
| Amiral Charner | Vichy French Navy | World War II: The Bougainville-class aviso was bombed and damaged by Japanese aircraft, then scuttled in the Mekong River, French Indochina. |
| Baron Jedburgh | United Kingdom | World War II: The cargo ship (3,656 GRT, 1936) was torpedoed and sunk in the Atlantic Ocean north east of Bahia, Brazil (10°02′S 25°00′W﻿ / ﻿10.033°S 25.000°W﻿ / -10.033; -25.000) by U-532 ( Kriegsmarine) with the loss of one of her 59 crew. Survivors were rescued by Sandown Castle ( United Kingdom) or reached land in their lifeboats. |
| Dokan Maru | Imperial Japanese Army | World War II: Convoy KANA-803: The Dogo Maru-class auxiliary transport was torpedoed and sunk north of Amami O-Shima (29°48′N 128°02′E﻿ / ﻿29.800°N 128.033°E﻿ / 29.800; 128.033) by USS Kete ( United States Navy). 27 crewmen, 23 gunners and 4 passengers were killed. |
| Keizan Maru | Imperial Japanese Army | World War II: Convoy KANA-803: The transport was torpedoed and sunk north of Amami O-Shima (29°25′N 127°30′E﻿ / ﻿29.417°N 127.500°E﻿ / 29.417; 127.500) by USS Kete ( United States Navy). 43 crewmen and 64 troops were killed. Thirty Shin'yō suicide motorboats were also lost as cargo. |
| Marne | Vichy French Navy | World War II: The Somme-class gunboat was scuttled at Can Tho, French Indochina. Raised and scrapped 1957. |
| Nordfahrt | Germany | World War II: The cargo ship struck a mine and sank in the Bay of Kiel. Raised and repaired in 1949. |
| HNoMS Nordhav II | Royal Norwegian Navy | World War II: Convoy FS 1753: The auxiliary minesweeping trawler (425 GRT, 1913) was torpedoed and sunk in the North Sea off Dundee, Perthshire, United Kingdom (56°41′N 2°04′W﻿ / ﻿56.683°N 2.067°W﻿ / 56.683; -2.067) by U-714 ( Kriegsmarine) with the loss of six of her 23 crew. Survivors were rescued by HNoMS Syrian ( Royal Norwegian Navy). |
| Sanka Maru | Imperial Japanese Army | World War II: Convoy KANA-803: The transport was torpedoed and sunk north of Amami O-Shima (29°25′N 128°15′E﻿ / ﻿29.417°N 128.250°E﻿ / 29.417; 128.250) by USS Kete ( United States Navy). 51 crewmen and 605 troops were killed. |
| Seishin Maru | Japan | World War II: The Imperial Japanese Army-chartered Standard Type 1TM tanker was sunk in Tourane Bay, French Indochina in the South China Sea (16°01′N 106°10′E﻿ / ﻿16.017°N 106.167°E﻿ / 16.017; 106.167) by United States 5th Air Force North American B-25 Mitchell aircraft of the 500th Bomb Squadron, 345th Bomb Group. |
| TK-214 | Soviet Navy | The A-2 (Higgins 78')-class motor torpedo boat was lost on this date. |
| U-275 | Kriegsmarine | World War II: The Type VIIC submarine struck a mine and sank in the English Channel off Newhaven, Sussex, United Kingdom (50°36′N 0°04′E﻿ / ﻿50.600°N 0.067°E﻿ / 50.600; 0.067) with the loss of all 48 crew. |
| U-681 | Kriegsmarine | World War II: The Type VIIC submarine was depth charged and sank in the Atlantic Ocean west of the Isles of Scilly, United Kingdom (49°52′N 6°38′W﻿ / ﻿49.867°N 6.633°W﻿ / 49.867; -6.633) by a Consolidated B-24 Liberator aircraft of the United States Navy with the loss of eleven of her 49 crew. |
| UJ 303 | Kriegsmarine | The KSK-2-class naval drifter/submarine chaser was wrecked on this date. |

## 11 March

List of shipwrecks: 11 March 1945 :
| Ship | State | Description |
| Arion | Germany | World War II: The cargo ship was damaged in an Allied air raid on Hamburg. She was beached at Blankenese with her back broken. The bow section was raised in 1947–48. A new stern section was built and she entered West German service. |
| Borbeck | Germany | World War II: The cargo ship was sunk in the Baltic Sea off Hela, Pomerania by Soviet Douglas A-20 Havoc aircraft. |
| Carl | Germany | World War II: The cargo ship was sunk in an Allied air raid on Hamburg. |
| Electra | Germany | World War II: The cargo ship was bombed and sunk by Allied aircraft at Hamburg. |
| F 522C2 | Kriegsmarine | The MFP-C2 landing craft was sunk on this date. |
| Gotenhafen | Germany | World War II: The cargo ship was severely damaged by Allied aircraft at Hamburg. |
| H 13 Cambronne | Kriegsmarine | World War II: The transport ship was sunk in an Allied air raid on Hamburg. She was refloated in October 1950 and scrapped the next year. |
| M 266 | Kriegsmarine | World War II: The Type 1940 minesweeper was bombed and sunk by aircraft at Kiel, Schleswig-Holstein. Later scrapped. |
| M 804 | Kriegsmarine | World War II: The Type 1943 minesweeper was bombed and sunk by aircraft at Mönkeberg, Schleswig-Holstein. |
| M 805 | Kriegsmarine | World War II: The Type 1943 minesweeper was bombed and sunk by aircraft at Heikendorf, Schleswig-Holstein. |
| M 5202 | Kriegsmarine | World War II: The Type 1935 minesweeper was sunk by British rocket-armed aircraft off Fedjefjord, Norway. |
| Orion | Germany | World War II: The tanker (8,064 GRT, 1936) was sunk in an Allied air raid at Hamburg. Raised post-war, repaired and returned to service for her Norwegian owners. |
| Shori Maru | Japan | World War II: The transport ship was torpedoed and sunk in the East China Sea by USS Segundo ( United States Navy). |
| U-682 | Kriegsmarine | World War II: The Type VIIC submarine was destroyed at Hamburg in an American air raid. |
| U-1201 | Kriegsmarine | World War II: The Type VIIC submarine was severely damaged at Hamburg in an American air raid. She was consequently scuttled on 3 May. |
| Wayo Maru | Imperial Japanese Navy | World War II: The Peacetime Standard Type C auxiliary transport (water tanker) (2,726 GRT, 1941) was bombed and sunk 40 miles (64 km) south west of Macao (21°31′N 112°25′E﻿ / ﻿21.517°N 112.417°E﻿ / 21.517; 112.417) by a Martin PBM Mariner aircraft of the United States Navy. Eighteen crewmen were killed. |

## 12 March

List of shipwrecks: 12 March 1945 :
| Ship | State | Description |
| Andros | Germany | World War II: The cargo ship was sunk in an American air raid on Swinemünde. |
| USS Bass | United States Navy | The decommissioned Barracuda-class submarine was sunk by a Mark 24 Fido acoustic homing torpedo southeast of Block Island off the coast of Rhode Island in 155 feet (47 m) of water for use as a sonar target. |
| Capitaine Coulon | Vichy French Navy | World War II: The patrol vessel was scuttled at Vinh Long, French Indochina. |
| Cordillera | Kriegsmarine | World War II: The transport ship was sunk in an American air raid on Swinemünde. She was refloated on 7 June 1949, repaired and entered Soviet service in 1952 as Russ. |
| F 1065 | Kriegsmarine | World War II: The MFP-DM landing craft/minelayer was sunk in a collision, or by Soviet aircraft, in the Baltic. |
| Gerrit Fritzen | Germany | World War II: The cargo ship was bombed and sunk in the Baltic Sea off Fehmarn by Soviet Douglas A-20 Havoc aircraft. The wreck has been located in 2023. |
| Heiligenhafen | Germany | World War II: The cargo ship was sunk in an American air raid on Swinemünde. |
| Hilde | Germany | World War II: The cargo ship was sunk in an American air raid on Swinemünde. |
| Hinode Maru No. 1 GO | Imperial Japanese Navy | World War II: The auxiliary guard ship was sunk by United States aircraft east of the Ryukyus (26°54′N 131°38′E﻿ / ﻿26.900°N 131.633°E﻿ / 26.900; 131.633). |
| Jasmund | Germany | World War II: The cargo ship was sunk in an American air raid on Swinemünde. |
| KFK 677, KFK 679, KFK 680, KFK 683, KFK 684, KFK 685, KFK 686, KFK 687, KFK 688, KFK 689, KFK 690, KFK 691, KFK 692, KFK 693, KFK 694, KFK 695, KFK 696, KFK 697, KFK 698 and KFK 699 | Kriegsmarine | World War II: The incomplete KSK-class naval trawlers were sunk in an American air raid on Swinemünde at the Burmester Shipyard. |
| Kastelac | Kingdom of Yugoslavia | World War II: The steamer and four barges were sunk in the Danube River by German assault craft. |
| M 266 | Kriegsmarine | World War II: The minesweeper was sunk in an American air raid on Kiel, Schleswig-Holstein. |
| M 804 | Kriegsmarine | World War II: The minesweeper was sunk in an American air raid on Kiel. |
| M 805 | Kriegsmarine | World War II: The minesweeper was sunk in an American air raid on Kiel. |
| M 3137 | Kriegsmarine | World War II: The KSK-2-class naval drifter/minesweeper was bombed and sunk in the Baltic Sea off Kolberg, Pomerania by Soviet aircraft. |
| MRS-4 Paris | Kriegsmarine | World War II: The depot ship (1,753 GRT, 1922) was torpedoed and sunk off the Kvaløytå Lighthouse, Haugesund, Norway (59°25′N 5°15′E﻿ / ﻿59.417°N 5.250°E﻿ / 59.417; 5.250) by HNoMS MTB-711 ( Royal Norwegian Navy) with the loss of 86 of her 156 crew. |
| Mutsusho Maru No. 2 GO | Imperial Japanese Navy | The auxiliary patrol ship was lost on this date. |
| R-243 | Kriegsmarine | World War II: The Type R-218 minesweeper was sunk off Swinemünde by Soviet aircraft, or was sunk in an American air raid on Swinemünde. |
| R-272, R-273, R-274, R-275 and R-276 | Kriegsmarine | World War II: The Type R-218 minesweepers were destroyed in an American air raid on Swinemünde. |
| Ravenbsurg | Germany | World War II: The cargo ship struck a mine and sank in the Baltic Sea off Swinemünde, Pomerania. |
| Rolandseck | Kriegsmarine | World War II: The troop ship was sunk in an air attack near Skagen, Denmark. |
| Sperrbrecher 18 | Kriegsmarine | World War II: The sperrbrecher was severely damaged in an American air raid on Hamburg. She was declared a constructive total loss and was scrapped in 1948–49. |
| Tolima | Germany | World War II: The cargo ship was sunk in an American air raid on Swinemünde. |
| U-260 | Kriegsmarine | World War II: The Type VIIC submarine struck a mine and sank in the Atlantic Ocean south of Ireland. All 48 crew survived. |
| U-2547 | Germany | World War II: The Type XXI submarine was severely damaged in an American air raid on Hamburg. Construction was abandoned. |
| UJ 303 | Kriegsmarine | World War II: The submarine chaser was sunk by Soviet aircraft in the Baltic Sea. |
| UJ 320 | Kriegsmarine | World War II: The KSK-2-class naval drifter/submarine chaser was bombed by Soviet Douglas A-20 Havoc aircraft and sank next day. |
| UJ 321 | Kriegsmarine | The KSK-2-class naval drifter/submarine chaser was destroyed on this date. |
| V 315 Bris | Kriegsmarine | World War II: The Bris-class naval trawler/Vorpostenboot was damaged by Soviet Douglas A-20 Havoc aircraft, later collided with Hendrik Fisser 7 ( Germany) and sank in the Baltic Sea off Großendorf, Reichsgau Danzig-West Prussia (55°01′35″N 18°21′43″E﻿ / ﻿55.02639°N 18.36194°E﻿ / 55.02639; 18.36194). |
| V 2023 Karlsburg | Kriegsmarine | World War II: The Vorposteboot was sunk in an American air raid on Swinemünde. |

## 13 March

List of shipwrecks: 13 March 1945 :
| Ship | State | Description |
| CD-66 | Imperial Japanese Navy | World War II: The Type D escort ship was sunk in the South China Sea east of Swatow, China (23°30′N 117°10′E﻿ / ﻿23.500°N 117.167°E﻿ / 23.500; 117.167) by North American B-25 Mitchell aircraft of the 341st Bomb Group, United States Fourteenth Air Force. One hundred and seventy-five crewmen were killed. |
| Keihin Maru | Imperial Japanese Navy | World War II: The auxiliary submarine chaser was torpedoed and sunk in the Java Sea by USS Bream ( United States Navy). |
| Masashima Maru | Japan | World War II: The transport was sunk in the South China Sea east of Swatow (23°30′N 117°10′E﻿ / ﻿23.500°N 117.167°E﻿ / 23.500; 117.167) by Consolidated B-24 Liberator aircraft of the United States Fifth Air Force. Fifteen crewmen, nineteen guards and eight passengers were killed. |
| M-10 | Kriegsmarine | World War II: The Type 1935 minesweeper was sunk near Lorient by American artillery fire. |
| Russell H. Crittenden | United States | The Liberty ship was wrecked on the coast of New Guinea (5°55′S 149°10′E﻿ / ﻿5.917°S 149.167°E﻿ / -5.917; 149.167). |
| HMS Sealion | Royal Navy | The S-class submarine was scuttled as an ASDIC target off the Isle of Arran, Scotland. (Look 03/03/1945) |
| Taber Park | United Kingdom | World War II: The Park ship (2,878 GRT, 1944) was torpedoed and sunk in the North Sea (52°22′N 1°53′E﻿ / ﻿52.367°N 1.883°E﻿ / 52.367; 1.883) by a Kriegsmarine midget submarine. |
| UJ 1414 Treff I | Kriegsmarine | World War II: The naval whaler/auxiliary submarine chaser was shelled and sunk at Lorient, Morbihan, France by Allied shore-based artillery. |

## 14 March

List of shipwrecks: 14 March 1945 :
| Ship | State | Description |
| Elandsfontein | Germany | World War II: The incomplete cargo ship was shelled by Soviet artillery and sank in the Vistula. She was subsequently salvaged and laid up at Danzig. Returned to the Netherlands in 1947 and entered Dutch service in 1950 as Jagersfontein. |
| Esso Washington | United States | The T2 tanker was wrecked near Eniwetok Atoll, Marshall Islands. She was on a voyage from San Pedro to the Eniwetok Atoll. |
| Hugo Zeye | Kriegsmarine | World War II: The training ship struck a mine and sank in the Baltic Sea off Fehmarn with the loss of 5 lives. |
| KEMTShch-218 | Soviet Navy | The MSV-38-class river minesweeping boat was sunk on this date. |
| Kaiko Maru | Imperial Japanese Navy | The auxiliary patrol ship was lost on this date. |
| Magne | Sweden | World War II: The cargo ship was torpedoed and sunk in the North Sea off St Abb's Head, Berwickshire, United Kingdom (55°52′N 1°59′W﻿ / ﻿55.867°N 1.983°W﻿ / 55.867; -1.983) by U-714 ( Kriegsmarine) with the loss of ten of her 21 crew. Survivors were rescued by Acclivity ( United Kingdom). |
| 10 Shin'yō suicide motorboats | Imperial Japanese Navy | World War II: The Shin'yō-class suicide motorboats were bombed and sunk/destroyed by a Consolidated B-24 Liberator aircraft at Kin Bay, Okinawa. 18 people were killed. |
| T3 | Kriegsmarine | World War II: The Type 35 torpedo boat struck a mine and sank in the Baltic Sea off Hela, Danzig-West Prussia (54°39′N 18°47′E﻿ / ﻿54.650°N 18.783°E﻿ / 54.650; 18.783) with the loss of 20 lives. |
| T5 | Kriegsmarine | World War II: The Type 35 torpedo boat struck a mine and sank in the Baltic Sea off Hela, Danzig-West Prussia (54°39′N 18°47′E﻿ / ﻿54.650°N 18.783°E﻿ / 54.650; 18.783) with the loss of 300 lives. |
| U-714 | Kriegsmarine | World War II: The Type VIIC submarine was depth charged and sunk in the North Sea off Eyemouth, Berwickshire, United Kingdom (55°57′N 1°57′W﻿ / ﻿55.950°N 1.950°W﻿ / 55.950; -1.950) by HMSAS Natal ( South African Navy) and HMS Wivern ( Royal Navy) with the loss of all 50 crew. |
| U-1021 | Kriegsmarine | World War II: The Type VIIC/41 submarine struck a mine and sank in the Bristol Channel off Newquay, Cornwall, United Kingdom (50°39′48″N 5°05′40″W﻿ / ﻿50.66333°N 5.09444°W﻿ / 50.66333; -5.09444) with the loss of all 43 crew. |
| Yatsushiro Maru | Imperial Japanese Navy | World War II: Convoy SAYU-02: The auxiliary submarine chaser was lost on this date. |

## 15 March

List of shipwrecks: 15 March 1945 :
| Ship | State | Description |
| Castor | Germany | World War II: The icebreaker struck a mine and sank in the Baltic Sea off Warnemünde, Pomerania. |
| USS Lancetfish | United States Navy | USS Lancetfish, 23 March 1945 The Balao-class submarine sank at pier eight, Boston Navy Yard, Boston, Massachusetts without loss of life. The immediate cause of sinking was the opening of the breech door of a torpedo tube while the outer door was open and the interlock system was not operating. She was raised on 23 March but was decommissioned the next day, subsequently being allocated in uncompleted condition to the Atlantic Reserve Fleet. She was never completed and was finally scrapped in 1959. |
| Wakamiya Maru | Imperial Japanese Navy | The Wakamiya Maru-class auxiliary netlayer (500 GRT, 1937) stranded off Kirun coast near the Qian Lu lighthouse. |

## 16 March

List of shipwrecks: 16 March 1945 :
| Ship | State | Description |
| Inger Toft | United Kingdom | World War II: Convoy RU 156: The cargo ship (2,190 GRT, 1920) was torpedoed and sunk in the Atlantic Ocean (57°25′N 6°52′W﻿ / ﻿57.417°N 6.867°W﻿ / 57.417; -6.867) by U-722 ( Kriegsmarine). All 30 crew were rescued by HMS Grenadier ( Royal Navy). |
| R-14 | Kriegsmarine | World War II: The Type R-2 minesweeper was sunk at Monfalcone, Friuli-Venezia Giulia, Italy by Allied aircraft. |
| RD 115 | Kriegsmarine | The Type RD 101 minesweeper was sunk on this date. |
| Sibigo | Netherlands | The cargo ship was lost in a tropical cyclone in the Coral Sea off Port Douglas, Queensland, Australia with thirteen of 85 crew members rescued. |
| U-367 | Kriegsmarine | World War II: The Type VIIC submarine struck a mine and sank in the Baltic Sea near Hela (54°25′N 18°50′E﻿ / ﻿54.417°N 18.833°E﻿ / 54.417; 18.833) with the loss of all 50 crew. |
| UIT-6 | Kriegsmarine | World War II: The submarine was sunk in an Allied air raid on Monfalcone. |
| UJ-1105 Wilhelm Loh | Kriegsmarine | World War II: The naval trawler/submarine chaser was bombed and sunk by Allied aircraft in the Skagerrak. |

## 17 March

List of shipwrecks: 17 March 1945 :
| Ship | State | Description |
| Daffodil | Royal Navy | World War II: The landing craft carrier (2,672 GRT, 1917) hit a mine off Dieppe and sank the next morning. Nine crew were killed. |
| Ellringon (or Ellrington) | United States | The 22-gross register ton, 47.6-foot (14.5 m) fishing vessel was destroyed by fire at Cordova, Territory of Alaska. |
| HMCS Guysborough | Royal Canadian Navy | World War II: The Bangor-class minesweeper (672/875 t, 1942) was torpedoed and sunk in the Bay of Biscay by the submarine U-868 ( Kriegsmarine) with the loss of 51 of her crew. About 40 survivors were rescued by the frigate HMS Inglis ( Royal Navy). |
| Ikomasan Maru | Imperial Japanese Navy | World War II: Convoy TAMO-49:The cargo ship was damaged in the South China Sea off Fuchow, China, by the submarine USS Spot ( United States Navy) and was beached on Matsu (25°58′N 119°58′E﻿ / ﻿25.967°N 119.967°E﻿ / 25.967; 119.967) off the coast of China. Seven passengers, four gunners, and six crew were lost. Later in the day she was bombed by United States Army Air Forces North American B-25 Mitchell aircraft, killing another five crewmen. The beached ship was bombed again on 26 March by U.S. Army Air Forces Consolidated B-24 Liberator aircraft and destroyed. |
| Iris | Germany | World War II: The cargo ship (3,323 GRT, 1921) was bombed and sunk at Ålesund, Norway by de Havilland Mosquito aircraft of 143, 235, 248, and 333 Squadrons, Royal Air Force. |
| Log | Norway | World War II: The cargo ship (1,560 GRT, 1931) was bombed and sunk at Ålesund, Norway, by de Havilland Mosquito aircraft of 143, 235, 248, and 333 Squadrons, Royal Air Force. |
| Margarethe Cords | Germany | World War II: The cargo ship was torpedoed and sunk in the Baltic Sea, south of Bornholm, Denmark (54°48′N 15°00′E﻿ / ﻿54.800°N 15.000°E﻿ / 54.800; 15.000), by the submarine K-53 ( Soviet Navy) with the loss of two lives. |
| Nanking Maru | Imperial Japanese Army | World War II: Convoy TAMO-49: The Peking Maru-class auxiliary transport ship was sunk in the South China Sea off Fuchow (25°33′N 120°10′E﻿ / ﻿25.550°N 120.167°E﻿ / 25.550; 120.167), China, by the submarine USS Spot ( United States Navy). All 411 passengers, 32 gunners, and 60 crew were lost. |
| Remagen | Germany | World War II: The cargo ship (1,830 GRT, 1914) was bombed and sunk off Ålesund, Norway, by de Havilland Mosquito aircraft of 143, 235, 248, and 333 Squadrons, Royal Air Force. |
| Rixhöft | Germany | World War II: The cargo ship struck a mine and sank in the Baltic Sea off Warnemünde, Pomerania, Germany. |
| HTMS Samui | Royal Thai Navy | World War II: The coastal tanker was torpedoed and sunk in the Gulf of Siam off Kuala Terengganu, Malaya (05°18′N 103°23′E﻿ / ﻿5.300°N 103.383°E﻿ / 5.300; 103.383) by the submarine USS Sealion ( United States Navy). |

## 18 March

List of shipwrecks: 18 March 1945 :
| Ship | State | Description |
| Brünhilde | Germany | World War II: The Hansa A Type cargo ship was severely damaged by the explosion of two mines off Warnemünde. |
| Daito Maru No. 5 | Japan | World War II: The fishing trawler was torpedoed and sunk in the Yellow Sea by USS Balao ( United States Navy). |
| Kamo Maru | Imperial Japanese Navy | World War II: Convoy KATA-504: The auxiliary sailing ship was sunk in the East China Sea off Noma Misaki (31°24′N 130°07′E﻿ / ﻿31.400°N 130.117°E﻿ / 31.400; 130.117) by United States Navy aircraft from Task Force 58. |
| Kenyo Maru | Imperial Japanese Navy | World War II: Convoy KATA-504: The transport was sunk in the East China Sea off Noma Misaki (31°24′N 130°07′E﻿ / ﻿31.400°N 130.117°E﻿ / 31.400; 130.117) by United States Navy aircraft from Task Force 58. Five crewmen and 98 passengers were killed. |
| HMS LCP(L) 764 | Royal Navy | The landing craft personnel (large) (5.9/8.2 t, 1943) was lost in Home Waters. |
| Nansei Maru No. 1 | Imperial Japanese Navy | World War II: Convoy KATA-504: The tanker was sunk in the East China Sea off Noma Misaki (31°24′N 130°07′E﻿ / ﻿31.400°N 130.117°E﻿ / 31.400; 130.117) by United States Navy aircraft from Task Force 58. |
| Orion | Netherlands | World War II: The cargo ship struck a mine and sank, or was torpedoed and sunk by Soviet Douglas A-20 Havoc aircraft in the Gulf of Danzig. |
| R-227 | Kriegsmarine | World War II: The Type R-218 minesweeper was sunk north of Ustka, Pomerania by Soviet Douglas A-20 Havoc aircraft. |
| Shoho Maru No. 1 GO | Imperial Japanese Navy | The auxiliary patrol ship was lost on this date. |
| T-18 | Imperial Japanese Navy | World War II: The No.1-class landing ship was torpedoed and sunk in the East China Sea north north west of Aguni Island, Ryukyu Islands (26°33′N 127°11′E﻿ / ﻿26.550°N 127.183°E﻿ / 26.550; 127.183) by USS Springer ( United States Navy). Lost with all 225 crew. |
| TA24 | Kriegsmarine | World War II: The torpedo boat was sunk in the Ligurian Sea north west of Corsica, France by HMS Lookout and HMS Meteor (both Royal Navy). |
| TA29 | Kriegsmarine | World War II: The Ariete-class torpedo boat was sunk in the Ligurian Sea west of Corsica by HMS Lookout and HMS Meteor (both Royal Navy). |
| Tenjin Maru | Imperial Japanese Navy | World War II: Convoy KATA-504: The auxiliary sailing ship was sunk in the East China Sea off Noma Misaki (31°24′N 130°07′E﻿ / ﻿31.400°N 130.117°E﻿ / 31.400; 130.117) by United States Navy aircraft from Task Force 58. |
| TKA-66 | Soviet Navy | World War II: The D-5-class motor torpedo boat was shelled and sunk in the Gulf of Gdansk by German Schnellboots. |
| Tsukushi Maru No.3 | Japan | World War II: Convoy KANA-304: The cargo ship was torpedoed and sunk in the Pacific Ocean off the Ryukyu Islands by USS Trigger ( United States Navy). |
| U-866 | Kriegsmarine | World War II: The Type IXC/40 submarine was depth charged and sunk in the Atlantic Ocean (43°18′N 61°08′W﻿ / ﻿43.300°N 61.133°W﻿ / 43.300; -61.133) by USS Lowe, USS Menges, USS Mosley and USS Pride (all United States Navy) with the loss of all 55 crew. |
| Unknown submarine | Imperial Japanese Navy | World War II: The midget submarine was bombed and sunk in Davao Gulf, Philippines by Lockheed PV-1 Ventura aircraft. |
| Vs 1014 | Kriegsmarine | The Vorpostenboot, a former UZ 1-class submarine chaser, was lost on this date. |

## 19 March

List of shipwrecks: 19 March 1945 :
| Ship | State | Description |
| Astrida | Belgium | The cargo liner foundered in the Atlantic Ocean 58 nautical miles (107 km) south east of Port Elizabeth, South Africa (34°35′S 26°50′E﻿ / ﻿34.583°S 26.833°E﻿ / -34.583; 26.833) during a hurricane with the loss of 88 passengers and crew. There were 29 survivors. |
| Crichtoun | United Kingdom | World War II: Convoy FS 1759: The cargo ship (1,097 GRT, 1920) was torpedoed and sunk in the North Sea off Lowestoft, Suffolk by a Kriegsmarine Schnellboot. 20 crew and 1 gunner were killed. |
| Daito Maru No. 1 | Japan | World War II: The fishing trawler was torpedoed and sunk in the Yellow Sea by USS Balao ( United States Navy). |
| Empire Blessing | United Kingdom | World War II: The cargo ship (7,062 GRT, 1944) struck a mine and sank in the Scheldt, Belgium. There were no casualties. |
| Hakozake Maru | Imperial Japanese Navy | World War II: Convoy MOTA-43: The Hakone Maru-class auxiliary transport (10,413 GRT 1922) was torpedoed and sunk in the East China Sea 225 miles (362 km) north northeast of Shanghai (33°07′N 122°05′E﻿ / ﻿33.117°N 122.083°E﻿ / 33.117; 122.083) by USS Balao ( United States Navy). A total of 928 passengers, 51 gunners and 139 crewmen were lost. One hundred and thirty survivors were rescued by CD-102 and Chikubu (both Imperial Japanese Navy). |
| Kiyo Maru | Imperial Japanese Navy | Convoy SAYU-02: The auxiliary submarine chaser was lost on this date. |
| Ōyodo | Imperial Japanese Navy | World War II: The Ōyodo-class cruiser was bombed and damaged by carrier aircraft from Task Force 58 at Kure Naval arsenal. She was beached at Etajima. 53 crew were killed. The cruiser was refloated and drydocked on 23 March. |
| Rogate | United Kingdom | World War II: Convoy FS 1759: The cargo ship (2,871 GRT, 1944) was torpedoed and sunk in the North Sea off Lowestoft by a Kriegsmarine Schnellboot. One crew member was killed. She was on a voyage from Sunderland, County Durham to London. |
| Samselbu | United Kingdom | World War II: The Liberty ship (7,253 GRT, 1944) struck a mine and sank in the North Sea off the coast of Belgium (51°23′N 3°06′E﻿ / ﻿51.383°N 3.100°E﻿ / 51.383; 3.100). |
| Sarawak Maru | Imperial Japanese Army | World War II: Convoy HI-88J: The Standard Wartime Type 1TM tanker struck a mine in the South China Sea 10 nautical miles (19 km) north of the Horsburgh Lighthouse, Singapore. She was beached on Bintan Island (01°25′N 104°36′E﻿ / ﻿1.417°N 104.600°E﻿ / 1.417; 104.600). On 21 March 1945 she rolled to port and sank. |
| Sirius | Germany | World War II: The cargo ship was torpedoed and sunk in the Norwegian Sea off Namsos, Norway by HMS Venturer ( Royal Navy). |
| Suma | Imperial Japanese Navy | World War II: The Insect-class gunboat was sunk on the Yangtze River 50 nautical miles (93 km; 58 mi) north of Kiangyin, China (32°00′N 120°00′E﻿ / ﻿32.000°N 120.000°E﻿ / 32.000; 120.000) by a mine. Eight crewmen were lost. |
| Vs 301 Karl Bergh | Kriegsmarine | The Vorpostenboot was lost on this date. |

## 20 March

List of shipwrecks: 20 March 1945 :
| Ship | State | Description |
| BK-7 | Soviet Navy | World War II: The Project 1125-class armored motor gunboat was sunk near Esztergom while supporting a landing operation. |
| Egeria | Germany | World War II: The coaster was sunk in an American air raid on Hamburg. |
| Hadley F. Brown | United States | The Liberty ship struck a mine off Ostend, West Flanders, Belgium and was damaged. She was on a voyage from Barry, Glamorgan, United Kingdom to Ghent, East Flanders, Belgium. She was towed in to Antwerp, Belgium. Subsequently repaired and returned to service. |
| Hakuyo Maru | Imperial Japanese Navy | World War II: The patrol boat was torpedoed and sunk by USS Pollack ( United States Navy) 50 kilometres (31 mi) northeast of Torishima at (30°40′N 140°42′E﻿ / ﻿30.667°N 140.700°E﻿ / 30.667; 140.700) |
| Horace Bushnell | United States | World War II: Convoy JW 65: The Liberty ship was torpedoed and damaged in the Barents Sea 25 nautical miles (46 km) north east of the North Kilden Lighthouse, Soviet Union (69°23′N 35°17′E﻿ / ﻿69.383°N 35.283°E﻿ / 69.383; 35.283) by U-995 ( Kriegsmarine) with the loss of five of her 69 crew. Survivors were rescued by HMS Orwell ( Royal Navy). Horash Bushnell was beached at Teriberski and abandoned as a constructive total loss. Salvaged in 1949, repaired and entered Soviet service as Pamyati Kirova. |
| Hosen Maru | Japan | World War II: Convoy HI-88I: The tanker was torpedoed and sunk in the South China Sea south of Cam Rahn Bay, French Indochina (11°18′N 108°57′E﻿ / ﻿11.300°N 108.950°E﻿ / 11.300; 108.950) by USS Blenny ( United States Navy). A total of 170 passengers, eight gunners, and eighteen crewmen were killed. |
| Isar | Germany | World War II: The coaster was sunk in an American air raid on Hamburg. |
| Kainan Maru | Imperial Japanese Navy | World War II: Convoy HI-88I: The auxiliary submarine chaser was torpedoed and sunk in the South China Sea 50 nautical miles (93 km) south of Cam Rahn Bay (12°00′N 109°17′E﻿ / ﻿12.000°N 109.283°E﻿ / 12.000; 109.283) by USS Baya ( United States Navy). |
| HMS Lapwing | Royal Navy | World War II: Convoy JW 65: The Black Swan-class sloop (1,350/1,950 t, 1944) was torpedoed and sunk in the Kola Inlet (69°29′N 33°44′E﻿ / ﻿69.483°N 33.733°E﻿ / 69.483; 33.733) by U-968 ( Kriegsmarine) with the loss of 168 of her 229 crew. Survivors were rescued by HMS Savage ( Royal Navy). |
| HMS LST-80 | Royal Navy | World War II: The landing ship tank Mk.2 (1,625/4,080 t, 1943) was sunk by a mine in the North Sea off Ostend, West Flanders, Belgium with the loss of four crew. |
| M15, M18, and M19 | Kriegsmarine | World War II: The Type 1935 minesweepers were sunk in an American air raid on Kiel, Schleswig-Holstein. |
| M-16 | Kriegsmarine | World War II: The Type 1935 minesweeper was bombed and sunk at Kiel. Scuttled on 18 May 1945. |
| M-522 | Kriegsmarine | World War II: The Type 1916 minesweeper was bombed and sunk by US aircraft at Kiel. |
| Nanshin Maru No. 21 | Japan | World War II: Convoy HI-88I: The tanker was torpedoed and sunk in the South China Sea south of Cam Rahn Bay (11°18′N 108°57′E﻿ / ﻿11.300°N 108.950°E﻿ / 11.300; 108.950) by USS Blenny ( United States Navy). Fourteen crewmen were killed. |
| Nordwest | Germany | World War II: The coaster was sunk in an American air raid on Hamburg. |
| Thomas Donaldson | United States | World War II: Convoy JW 64: The Liberty ship was torpedoed and damaged in the Barents Sea off Murmansk, Soviet Union (69°26′N 33°44′E﻿ / ﻿69.433°N 33.733°E﻿ / 69.433; 33.733) by U-968 ( Kriegsmarine) with the loss of four of her 69 crew. Survivors were rescued by HMS Bamborough Castle, HMS Honeysuckle and HMS Oxlip (all Royal Navy). Thomas Donaldson was taken in tow but foundered off Kilden Island (68°26′30″N 33°44′20″E﻿ / ﻿68.44167°N 33.73889°E﻿ / 68.44167; 33.73889). |
| U-2250 | Germany | World War II: The submarine was destroyed in an American air raid on Hamburg whilst under construction. |
| Usambara | Germany | World War II: The accommodation ship was severely damaged in an American air raid on Stettin. She was consequently scuttled off Kranichwerder on 31 March. |
| Venus | Kriegsmarine | World War II: The target ship was bombed and sunk at Hamburg by American aircraft. Raised post-war, repaired and returned to Norwegian service in May 1948. |
| Yamakuni Maru | Japan | World War II:: The fishing vessel was torpedoed and sunk in the South China Sea by USS Blenny ( United States Navy). |

## 21 March

List of shipwrecks: 21 March 1945 :
| Ship | State | Description |
| CH-33 | Imperial Japanese Navy | World War II: The No.13-class submarine chaser was sunk off Nha Trang, French Indochina in the South China Sea (12°30′N 109°14′E﻿ / ﻿12.500°N 109.233°E﻿ / 12.500; 109.233) by North American B-25 Mitchell aircraft of the 345th Bomb Group, United States Fifth Air Force. The captain and seven crewmen were killed. There were 222 wounded. |
| Fushimi Maru No. 2 | Japan | World War II: The cargo ship was sunk in the South China Sea off Nha Trang, French Indochina (12°30′N 109°14′E﻿ / ﻿12.500°N 109.233°E﻿ / 12.500; 109.233) by North American B-25 Mitchell aircraft of the 345th Bomb Group, United States Fifth Air Force. Three crewmen and eleven others were killed. |
| BK-131 Geroy Sovetskogo Soyuza Filchenkov | Soviet Navy | World War II: The Project 1125-class armored motor gunboat was sunk by German artillery on the Danube near Esztergom. |
| James Eagan Layne | United States | World War II: Convoy BTC 103: The Liberty ship was torpedoed and damaged in the English Channel off Plymouth, Devon, United Kingdom (50°13′N 4°05′W﻿ / ﻿50.217°N 4.083°W﻿ / 50.217; -4.083) by U-399 ( Kriegsmarine). She was beached at Whitesand Bay but declared a constructive total loss. All 69 crew survived. |
| John R. Park | United States | World War II: Convoy TBC 102: The Liberty ship was torpedoed and sunk in the Atlantic Ocean 9 nautical miles (17 km) off Lizard Head, Cornwall, United Kingdom (49°56′N 5°26′W﻿ / ﻿49.933°N 5.433°W﻿ / 49.933; -5.433) by U-1195 ( Kriegsmarine). All 75 crew were rescued by American Press ( United States) and a Royal Air Force rescue launch. |
| KT-220 | Soviet Navy | World War II: The K-18-class river minesweeping launch was sunk by German artillery on the Danube near Esztergom. |
| M 3827 Saturnus | Kriegsmarine | World War II: The naval drifter/minesweeper struck a mine and sank in the Øresund. |
| Motoyama Maru No. 1 | Japan | World War II: The cargo ship (a.k.a. Genzan Maru No. 1) was sunk in the South China Sea off Nha Trang (12°30′N 109°14′E﻿ / ﻿12.500°N 109.233°E﻿ / 12.500; 109.233) North American B-25 Mitchell aircraft of the 345th Bomb Group, United States Fifth Air Force. Four crewmen were killed. |
| Renate | Germany | World War II: The cargo ship struck a mine and sank in the Stettin Lagoon with the loss of 52 lives. |
| S181 | Kriegsmarine | World War II: The Type 1939/40 Schnellboot was sunk in the North Sea off Den Helder, North Holland, Netherlands by Bristol Beaufighter aircraft of 236 Squadron, Royal Air Force. 14 crew were killed. |
| S 203 | Kriegsmarine | World War II: The Type 1939/40 Schnellboot was damaged in an air attack and then was sunk by a mine. |
| TA42 | Kriegsmarine | World War II: The Ariete-class torpedo boat was sunk in an Allied air raid on Venice, Italy. |
| Tateishi | Imperial Japanese Navy | World War II: The minelayer, originally built as a Hashima-class cable layer, was sunk in the South China Sea off Nha Trang (11°50′N 109°18′E﻿ / ﻿11.833°N 109.300°E﻿ / 11.833; 109.300) by North American B-25 Mitchell aircraft of the 345th Bomb Group, United States Fifth Air Force. |
| Z51 | Kriegsmarine | World War II: The incomplete Type 1942 destroyer was sunk in a British air raid on Bremen. |

## 22 March

List of shipwrecks: 22 March 1945 :
| Ship | State | Description |
| Empire Kingsley | United Kingdom | World War II: Convoy TBC 103: The cargo ship (6,996 GRT, 1941) was torpedoed and sunk in the Atlantic Ocean (50°08′N 5°51′W﻿ / ﻿50.133°N 5.850°W﻿ / 50.133; -5.850) by U-315 ( Kriegsmarine) with the loss of eight of her 57 crew. Survivors were rescued by HMT Fir ( Royal Navy). |
| Frankfurt | Germany | World War II: The cargo ship sunk by Soviet Douglas A-20 Havoc aircraft or struck a mine and sank in the Baltic Sea off the Hel Peninsula, Pomerania. |
| HMMTB 655 | Royal Navy | World War II: The Fairmile D motor torpedo boat (90/107 t, 1943) struck a mine and sank in the Adriatic Sea. 7 crew were killed and another died of wounds. |
| Mendoza | Germany | World War II: The cargo ship was sunk in the Baltic Sea off Pillau, East Prussia, Germany by Soviet Ilyushin Il-2 aircraft. |
| R 239 | Kriegsmarine | World War II: The Type R-218 minesweeper was sunk in a British air raid on Hamburg. |
| Tozan Maru | Japan | World War II: The cargo ship struck a mine and sank off Moji. |
| Unknown submarine | Imperial Japanese Navy | World War II: The midget submarine was rocketed and sunk at dock in Cebu City, Philippines by two Lockheed PV-1 Ventura aircraft. |
| V 326 | Kriegsmarine | World War II: The patrol ship was sunk by Soviet Douglas A-20 Havoc aircraft in the Baltic Sea. |
| USS YF-724 and USS YF-725 | United States Navy | The self-propelled covered lighters were lost off the Farallon Islands in heavy weather. |

## 23 March

List of shipwrecks: 23 March 1945 :
| Ship | State | Description |
| Charles D. McIver | United States | World War II: Convoy ATM 100: The Liberty ship was torpedoed and sunk in the North Sea off Ostend, West Flanders, Belgium (51°23′N 3°05′E﻿ / ﻿51.383°N 3.083°E﻿ / 51.383; 3.083) by U-5366 ( Kriegsmarine). |
| Doryo Maru | Japan | World War II: The transport ship was torpedoed and sunk in the East China Sea north of Naha, Okinawa, by USS Spadefish ( United States Navy). 262 Navy passengers, 39 crewmen and 21 guards were killed. 28 Shin'yō-class suicide motorboats lost as cargo. |
| Eleftheria | Greece | World War II: The Liberty ship struck a mine and was damaged in the North Sea off Ostend. She was beached but broke in two. The wreck was dispersed in 1952. |
| Gneisenau | Kriegsmarine | World War II: The incompletely refurbished Scharnhorst-class battleship was sunk as a blockship in Gdynia harbor, Poland. She was later refloated and scrapped. |
| Kachosan Maru | Imperial Japanese Army | World War II: Convoy KANA-101: The Kachosan Maru-class auxiliary transport was bombed and sunk in the East China Sea off Sotsukozaki, Amami Ōshima by United States Navy Grumman F6F Hellcat aircraft. Depending on the sources, 204, 212 or 1,422 crew, gunners and troops were killed. |
| Lysaker | Norway | World War II: The coaster (898 GRT, 1919) was bombed and sunk at Sandshamn, Norway by de Havilland Mosquito aircraft of 143, 235 and 249 Squadrons, Royal Air Force. |
| M 296 | Kriegsmarine | World War II: The incomplete M 1940-class minesweeper was destroyed on the stocks at Memel, East Prussia. |
| M 3138 | Kriegsmarine | World War II: The minesweeper struck a mine and sank in the Baltic Sea off Pillau, East Prussia. |
| HMS MTB 705 | Royal Navy | World War II: The Fairmile D motor torpedo boat (90/107 t, 1943) struck a mine and sank in approach to Maknare Channel, Adriatic Sea. Two crew were killed and one died of wounds. |
| Ro-41 | Imperial Japanese Navy | World War II: The Kaichū VII type submarine was depth charged, rammed and sunk in the Pacific Ocean (22°57′N 132°19′E﻿ / ﻿22.950°N 132.317°E﻿ / 22.950; 132.317) by USS Haggard ( United States Navy) with all 82 crew. |
| Robert Muller VII | Germany | World War II: The cargo ship was sunk by a mine in the Skagerrak off Nidingen. |
| USS S-21 | United States Navy | The decommissioned S-class submarine was sunk as a target in 150 feet (46 m) of water in the Atlantic Ocean off Cape Elizabeth, Maine. |
| U-1003 | Kriegsmarine | World War II: The Type VIIC/41 submarine attempted to ram HMCS New Glasgow ( Royal Canadian Navy) in the Atlantic Ocean but was severely damaged in the process. She was scuttled three days later (55°25′N 6°53′W﻿ / ﻿55.417°N 6.883°W﻿ / 55.417; -6.883) with the loss of seventeen of her 48 crew. Survivors were rescued by HMCS Thetford Mines ( Royal Canadian Navy). |
| Unknown submarine | Imperial Japanese Navy | World War II: The Type C midget submarine was sunk by aircraft from USS Essex ( United States Navy) in Unten Bay, Okinawa. |
| Utviken | Norway | World War II: The cargo ship (3,502 GRT, 1942) struck a mine and sank in the Kattegat off Sjællands Odde, Denmark. |
| V 2022 Emil Colsmann | Kriegsmarine | World War II: The Vorpostenboot was torpedoed and sunk north of Stolpmünde (55°21′N 16°55′E﻿ / ﻿55.350°N 16.917°E﻿ / 55.350; 16.917) by L-21 ( Soviet Navy) with the loss of 76 lives. |

## 24 March

List of shipwrecks: 24 March 1945 :
| Ship | State | Description |
| Butjadingen | Germany | World War II: The cable ship was sunk by aircraft off Bornholm in the Baltic Sea. |
| CD-68 | Imperial Japanese Navy | World War II: Convoy KANA-304: The Type C escort ship was sunk in the East China Sea 200 nautical miles (370 km) north west of Okinawa (30°00′N 126°36′E﻿ / ﻿30.000°N 126.600°E﻿ / 30.000; 126.600) by United States Navy aircraft from Task Force 58. |
| Chitose Maru | Imperial Japanese Navy | World War II: Convoy KANA-304: The auxiliary minesweeper was sunk in the East China Sea 200 nautical miles (370 km) north west of Okinawa (28°25′N 124°32′E﻿ / ﻿28.417°N 124.533°E﻿ / 28.417; 124.533) by United States Navy aircraft from Task Force 58. Five crew and many passengers were killed. |
| Erni | Germany | World War II: The tug was torpedoed and sunk in the Baltic Sea by L-21 ( Soviet Navy). |
| Juno | Germany | World War II: The cargo ship was sunk in an Allied air raid on Wilhelmshaven. |
| Kaijo Maru | Japan | World War II: Convoy KANA-304: The cargo ship was sunk in the East China Sea 200 nautical miles (370 km) southeast of Shanghai, China (28°25′N 124°32′E﻿ / ﻿28.417°N 124.533°E﻿ / 28.417; 124.533) by United States Navy aircraft from Task Force 58 with the loss of 668 lives. |
| Koshu Maru | Imperial Japanese Army | World War II: Convoy KANA-304: The Koshu Maru-class auxiliary transport was sunk in the East China Sea 200 nautical miles (370 km) southeast of Shanghai, China (30°25′N 126°55′E﻿ / ﻿30.417°N 126.917°E﻿ / 30.417; 126.917) by United States Navy aircraft from Task Force 58 with the loss of 388 lives. |
| Monbaldo | Germany | World War II: The cargo ship was bombed and sunk by aircraft at Stettin, Pomerania. Raised in 1950–55 and taken into Soviet service as Kaliningrad until scrapped in 1969. |
| Sarp | Norway | World War II: The coaster (1,116 GRT, 1916) was bombed and damaged at Egersund, Norway in an Allied air raid. She was beached on fire and was later condemned as a total loss. Two men, the captain and the pilot, were killed. She was raised in 1945 and converted as a barge. |
| Seki Maru | Imperial Japanese Navy | World War II: Convoy KANA-304: The auxiliary minesweeper was sunk in the East China Sea 200 nautical miles (370 km) northwest of Okinawa (29°12′N 125°13′E﻿ / ﻿29.200°N 125.217°E﻿ / 29.200; 125.217) by American Consolidated B-24 Liberator aircraft. |
| Shonan Maru No. 16 | Imperial Japanese Navy | World War II: Convoy KANA-304: The auxiliary minesweeper was sunk in the East China Sea 200 nautical miles (370 km) southeast of Shanghai, China (28°25′N 124°32′E﻿ / ﻿28.417°N 124.533°E﻿ / 28.417; 124.533) by United States Navy aircraft from Task Force 58. |
| Soka Maru | Japan | World War II: Convoy KANA-304: The cargo ship was sunk in the East China Sea 200 nautical miles (370 km) south east of Shanghai, China (28°25′N 124°32′E﻿ / ﻿28.417°N 124.533°E﻿ / 28.417; 124.533) by United States Navy aircraft from Task Force 58 with the loss of 276 lives. |
| Thetis | Germany | World War II: The cargo ship was bombed and sunk at Egersund, Norway in an Allied air raid. She was raised in 1947, repaired and entered Norwegian service as Strømsøy. |
| Tomozuru | Imperial Japanese Navy | World War II: Convoy KANA-304: The Chidori-class torpedo boat was sunk in the East China Sea 200 nautical miles (370 km) south east of Shanghai, China (28°25′N 124°32′E﻿ / ﻿28.417°N 124.533°E﻿ / 28.417; 124.533) by United States Navy aircraft from Task Force 58. |
| Tugela | Germany | World War II: The cargo ship (5,559 GRT, 1921) struck a mine and sank in the North Sea off Florø, Norway. |
| UJ-1435 | Kriegsmarine | World War II: The submarine chaser was bombed and sunk at Egersund in an Allied air raid. She was raised post-war. |
| Weser | Germany | World War II: The cargo ship was sunk in an air raid at Neufahrwasser, Danzig, Germany. |

## 25 March

List of shipwrecks: 25 March 1945 :
| Ship | State | Description |
| AF 120 | Kriegsmarine | World War II: The MFP-D Type Artilleriefährprahm was scuttled near Hanau, Germany. |
| Africana | Germany | World War II: The cargo ship was scuttled at Danzig. |
| CH-34 | Imperial Japanese Navy | World War II: The No.28-class submarine chaser was shelled and sunk in the Andaman Sea east of Khota Andaman, about 135 nautical miles (250 km; 155 mi) south east of Port Blair (10°38′N 94°42′E﻿ / ﻿10.633°N 94.700°E﻿ / 10.633; 94.700) by HMS Vigilant and HMS Virago (both Royal Navy). |
| DC 07 Gretel | Kriegsmarine | World War II: The patrol ship was sunk by Soviet aircraft at Stolpmünde. |
| Fuji Maru | Imperial Japanese Navy | World War II: The auxiliary netlayer was torpedoed and sunk south west of Kagashima, Kyushu (31°09′N 130°31′E﻿ / ﻿31.150°N 130.517°E﻿ / 31.150; 130.517) by USS Tirante ( United States Navy). 45 Navy passengers were killed. |
| Leda | Norway | World War II: The passenger ship (2,415 GRT, 1920) was shelled and sunk off the mouth of the Oder by Soviet shore-based artillery. 20 men died. The wreck was raised in December 1948 but declared a total loss and sold in December 1949 for scrapping. |
| ML 466 | Royal Navy | World War II: The Fairmile B motor launch (76/86 t, 1942) was sunk off Walcheren, Netherlands by a mine. 20 crewmen were killed. |
| Pacific | Netherlands | World War II: Convoy BTC 108: The coaster was torpedoed and sunk in the Bay of Falmouth (49°54′N 5°17′W﻿ / ﻿49.900°N 5.283°W﻿ / 49.900; -5.283) by U-399 ( Kriegsmarine) with the loss of five of her ten crew. |
| Priamus | Germany | World War II: The cargo ship was bombed and sunk off Kristiansand, Norway by Handley Page Halifax aircraft of 502 Squadron, Royal Air Force. |
| Ranger | Unknown | The tug sank at the entrance to Vizagapatam. She was raised and drydocked on 14 June. |
| Risui Maru | Imperial Japanese Navy | World War II: The transport was shelled and sunk in the Andaman Sea east of Khota Andaman, about 135 nautical miles (250 km; 155 mi) south east of Port Blair (10°38′N 94°42′E﻿ / ﻿10.633°N 94.700°E﻿ / 10.633; 94.700) by HMS Volage ( Royal Navy). 21 crewmen killed. |
| Shinto Maru No. 2 | Imperial Japanese Navy | World War II: The Shinto Maru No. 2-class auxiliary netlayer (540 GRT 1939) was bombed and damaged at Naha, Okinawa and beached. |
| Teshio Maru | Imperial Japanese Navy | World War II: The Yatsushiro Maru-class naval trawler/auxiliary storeship was bombed and sunk in the Andaman Sea east of Khota Andaman, about 135 nautical miles (250 km; 155 mi) south east of Port Blair. (10°35′N 94°45′E﻿ / ﻿10.583°N 94.750°E﻿ / 10.583; 94.750) by two Consolidated B-24 Liberator aircraft of the Royal Air Force. The bomb blast brought down one of the Liberators. Eleven crewmen were killed. |

## 26 March

List of shipwrecks: 26 March 1945 :
| Ship | State | Description |
| AF 128 | Kriegsmarine | The MFP-D Type Artilleriefährprahm was sunk on this date. |
| Bille | Germany | World War II: The cargo ship was bombed and sunk in the Baltic Sea off Neufahrwasser, Danzig by Soviet Douglas A-20 Havoc aircraft. |
| CH-63 | Imperial Japanese Navy | World War II: The No.28-class submarine chaser was torpedoed and sunk in the Andaman Sea east of Khota Andaman, about 135 nautical miles south east of Port Blair (10°35′N 94°45′E﻿ / ﻿10.583°N 94.750°E﻿ / 10.583; 94.750) by HMS Vigilant ( Royal Navy). |
| HA-69, HA-78 and HA-79 | Imperial Japanese Navy | World War II: The Type C Kō-hyōteki-class midget submarines were scuttled at Talisay, Cebu, Philippines. |
| HA-209 and HA-210 | Imperial Japanese Navy | The Type D midget submarines went missing off Okinawa. |
| USS Halligan | United States Navy | World War II: The Fletcher-class destroyer was heavily damaged when she was mined or torpedoed by HA-67 ( Imperial Japanese Navy) in the Pacific Ocean off Okinawa with the loss of 162 of her crew. Survivors were rescued by USS PC-1128 and USS LSM(R)-194 (both United States Navy). The wreck came ashore the next day on Tokashiki. |
| 300 Maru-ni suicide motorboats | Imperial Japanese Army | World War II: Okinawa Campaign: The Maru-Ni suicide boats were destroyed by the United States 77th Infantry Division on Kerama Retto. |
| Newlands | United Kingdom | World War II: The cargo ship (1,556 GRT, 1921) was sunk in the North Sea (51°28′N 01°25′E﻿ / ﻿51.467°N 1.417°E﻿ / 51.467; 1.417) by a Kriegsmarine Seehund midget submarine. Two crew and an armed gunner were killed. |
| HMS Puffin | Royal Navy | World War II: The Kingfisher-class sloop (510/740 t, 1936) was damaged in the North Sea by a Kriegsmarine Seehund midget submarine. She was taken in to Harwich, Essex but was declared a constructive total loss. |
| R-145 | Kriegsmarine | World War II: The Type R-130 minesweeper was sunk off Liepāja, Latvia by Soviet Ilyushin Il-2 aircraft. |
| R-260 | Kriegsmarine | World War II: The Type R-218 minesweeper was sunk off Palanga, Lithuania by Soviet Douglas A-20 Havoc aircraft. |
| Shinto Maru No. 1 | Japan | World War II: The coaster was torpedoed and sunk in the Yellow Sea by USS Balao ( United States Navy). |
| TK-10 | Soviet Navy | The G-5-class motor torpedo boat was lost on this date. |
| TK-181 Patriot | Soviet Navy | The D-3-class motor torpedo boat was lost on this date. |
| HMAS Terka | Royal Australian Navy | The auxiliary minesweeper (420 GRT, 1925) sank in Madang Harbour New Guinea. |
| U-399 | Kriegsmarine | World War II: The Type VIIC submarine was depth charged and sunk in the English Channel off Land's End, Cornwall, United Kingdom (49°56′N 5°22′W﻿ / ﻿49.933°N 5.367°W﻿ / 49.933; -5.367) by HMS Duckworth ( Royal Navy) with the loss of 46 of her 47 crew. |
| U-1003 | Kriegsmarine | World War II: The damaged Type VIIC/41 submarine was scuttled at (55°25′N 6°53′W﻿ / ﻿55.417°N 6.883°W﻿ / 55.417; -6.883) with the loss of seventeen of her 48 crew. Survivors were rescued by HMCS Thetford Mines ( Royal Canadian Navy). |
| V-310 | Kriegsmarine | World War II: The Vorpostenboot was sunk by Soviet Douglas A-20 Havoc aircraft. |
| Weser | Germany | World War II: The cargo ship was bombed and sunk in the Baltic Sea by Soviet Douglas A-20 Havoc aircraft. |
| Zähringen | Kriegsmarine | World War II: The target ship was scuttled as a block ship in Gotenhafen. |

## 27 March

List of shipwrecks: 27 March 1945 :
| Ship | State | Description |
| Gravenstein | Germany | World War II: The cargo ship was scuttled as a blockship at Gotenhafen. |
| HA-208 | Imperial Japanese Navy | World War II: The Type D Kō-hyōteki-class midget submarine was bombed and sunk off Okinawa while charging her batteries on the surface. |
| HMS LCA 1472 | Royal Navy | The landing craft assault (8.5/11.5 t, 1944) was lost off Leyte, The Philippines. |
| Odate | Imperial Japanese Navy | World War II: The minelayer, originally a Hashima-class cable layer, was strafed in the East China Sea southwest of Kagoshima (30°43′N 127°53′E﻿ / ﻿30.717°N 127.883°E﻿ / 30.717; 127.883) by Grumman F6F Hellcat aircraft of the United States Navy and was fatally damaged when her depth charges were detonated, sinking later in the day. Forty-four survivors were rescued later by a passing convoy. |
| R 145 | Kriegsmarine | World War II: The minesweeper was torpedoed and sunk in the Baltic Sea off Liepāja, Latvia by Soviet aircraft. |
| R 260 | Kriegsmarine | World War II: The minesweeper was torpedoed and sunk in the Baltic Sea off Liepāja by Soviet Douglas A-20 Havoc aircraft. |
| Saßnitz | Germany | World War II: The coastal tanker was torpedoed and sunk in the Baltic Sea off Liepāja by Soviet Douglas A-20 Havoc aircraft. |
| STS-181 | Soviet Navy | World War II: The torpedo boat was shelled and sunk in the Baltic Sea by Kriegsmarine Schnellboote. |
| TKA-166 | Soviet Navy | World War II: The D-3-class motor torpedo boat was shelled and sunk in the Baltic Sea by S-64 ( Kriegsmarine). |
| TKA-196 Mordovskiy Kolkhoznik | Soviet Navy | World War II: The D-3-class motor torpedo boat was damaged, captured, and scuttled in the Baltic Sea by S-81 ( Kriegsmarine). |
| U-722 | Kriegsmarine | World War II: The Type VIIC submarine was depth charged and sunk in the Atlantic Ocean west of Scotland (57°09′N 6°55′W﻿ / ﻿57.150°N 6.917°W﻿ / 57.150; -6.917) by HMS Byron, HMS Fitzroy and HMS Redmill (all Royal Navy) with the loss of all 44 crew. |
| U-905 | Kriegsmarine | World War II: The Type VIIC submarine was depth charged and sunk in The Minch (58°34′N 5°46′W﻿ / ﻿58.567°N 5.767°W﻿ / 58.567; -5.767) by HMS Conn ( Royal Navy) with the loss of all 45 crew. |
| UJ 205 | Kriegsmarine | World War II: The submarine chaser, a former Gabbiano-class corvette, was sunk at Venice by American aircraft. |
| Venus | Germany | World War II: The coaster struck a mine and sank in the Baltic Sea off Cape Arkona, Rügen. |
| Yusen Maru No. 27 GO | Imperial Japanese Navy | World War II: Convoy SAYU-02: The auxiliary submarine chaser was lost on this date. |

## 28 March

List of shipwrecks: 28 March 1945 :
| Ship | State | Description |
| Antonio | Brazil | The tanker collided with Fort Moose ( United Kingdom) off Milford Haven, Pembrokeshire, United Kingdom and was severely damaged. She capsized and sank five nautical miles (9.3 km; 5.8 mi) off St. Ann's Head, Pembrokeshire on 1 March. |
| Asokawa Maru | Imperial Japanese Navy | World War II: Convoy HI-88J: The tanker was bombed and sunk in Van Phong Bay (12°31′N 109°22′E﻿ / ﻿12.517°N 109.367°E﻿ / 12.517; 109.367) off Nha Trang, French Indochina by Consolidated B-24 Liberator aircraft of the 43rd Bomb Group. A total of 92 passengers, eight gunners and 34 crewmen were killed. |
| CD-33 | Imperial Japanese Navy | World War II: The Type C escort ship was sunk in the Pacific Ocean south west of Shikoku (31°45′N 131°50′E﻿ / ﻿31.750°N 131.833°E﻿ / 31.750; 131.833) by United States Navy aircraft from Task Force 58. All 170 crewmen were lost. |
| Honan Maru | Japan | World War II: Convoy HI-88J: The Imperial Japanese Army-chartered British WWI Standard Tanker (a.k.a. Konan Maru) was torpedoed and damaged in the South China Sea off Nha Trang, French Indochina, near Hon Doi Islet (12°40′N 109°30′E﻿ / ﻿12.667°N 109.500°E﻿ / 12.667; 109.500) by USS Bluegill ( United States Navy). Five gunners and 44 crewmen were killed. Mikura ( Imperial Japanese Navy) rescued six crewmen and CD-84 ( Imperial Japanese Navy) rescued fifteen crewmen. The abandoned vessel drifted ashore on Hon Doi Islet (12°40′N 109°27′E﻿ / ﻿12.667°N 109.450°E﻿ / 12.667; 109.450). The next day Bluegill torpedoed the ship again starting an inferno that burned out the ship. |
| KT-222 | Soviet Navy | World War II: The K-18-class river minesweeping launch was sunk in error by Soviet artillery on the Danube near Sutto, Hungary. |
| KT-729 | Soviet Navy | World War II: The K-18-class river minesweeping launch was sunk in error by Soviet artillery on the Danube near Sutto, Hungary. |
| Kaio Maru | Imperial Japanese Navy | The auxiliary patrol ship was lost on this date. |
| HMS LCP(R)-840 | Royal Navy | World War II: The landing craft personnel (5.9/8.2 t, 1943) struck a mine and sank in the North Sea. |
| Meiho Maru | Japan | World War II: The cargo ship was sunk by United States Army Air Forces Consolidated B-24 Liberator aircraft of the United States Fifth Air Force off the north coast of Formosa (25°00′N 121°00′E﻿ / ﻿25.000°N 121.000°E﻿ / 25.000; 121.000). Three crew died. |
| Mikura | Imperial Japanese Navy | World War II: The Mikura-class escort ship was sunk in the Pacific Ocean south west of Shikoku (31°45′N 131°50′E﻿ / ﻿31.750°N 131.833°E﻿ / 31.750; 131.833) by USS Threadfin ( United States Navy). All 216 crewmen were killed. |
| Nase Maru | Japan | World War II: The fishing ship was torpedoed and sunk in the Pacific Ocean south of Kyushu by USS Tirante ( United States Navy). 19 crew and 2 gunners died. |
| Oklahoma | United States | World War II: The tanker was torpedoed and sunk in the Atlantic Ocean (13°37′N 41°43′W﻿ / ﻿13.617°N 41.717°W﻿ / 13.617; -41.717) by U-532 ( Kriegsmarine) with the loss of fourteen gunners and 36 crewmen. Twelve gunners and ten crewmen were rescued on 14 April by Delaware ( United States). |
| Ōyodo | Imperial Japanese Navy | World War II: The Ōyodo-class cruiser was bombed, capsized and sunk in shallow water by carrier aircraft from Task Force 58 at Etajima. After capsizing her bottom was hit by 5-inch (130 mm) rockets. Between this attack and a previous attack on 24 March, 223 crew were killed and 180 wounded. |
| PB-108 | Imperial Japanese Navy | World War II: The patrol boat was sunk in the Gulf of Boni off Maniang Island, Celebes (04°14′S 121°28′E﻿ / ﻿4.233°S 121.467°E﻿ / -4.233; 121.467) by Consolidated B-24 Liberator aircraft of the United States Thirteenth Air Force. Sixty-nine crewmen were killed, nine were wounded. |
| USS Skylark | United States Navy | World War II: The Auk-class minesweeper struck a mine and sank in the Pacific Ocean off Hagushi Bay, Okinawa (26°20′N 127°40′E﻿ / ﻿26.333°N 127.667°E﻿ / 26.333; 127.667), with the loss of five of her 105 crewmen. Survivors were rescued by the high-speed minesweeper USS Tolman ( United States Navy). |
| St. Jan | Belgium | World War II: The fishing boat struck a mine laid by German S-Boote and sank in the North Sea (51°30′N 3°0′E﻿ / ﻿51.500°N 3.000°E﻿ / 51.500; 3.000), with the loss all five crew. |
| USS Trigger | United States Navy | World War II: The Gato-class submarine was depth charged and sunk in the Pacific Ocean off the Ryukyu Islands (32°16′N 123°05′E﻿ / ﻿32.267°N 123.083°E﻿ / 32.267; 123.083) by Mikura, CD-33 and CD-59 (all Imperial Japanese Navy). She was lost with all 89 crew. |
| W-11 | Imperial Japanese Navy | World War II: The No.7-class minesweeper was sunk in Makassar Bay (05°06′S 119°14′E﻿ / ﻿5.100°S 119.233°E﻿ / -5.100; 119.233) by Consolidated B-24 Liberator aircraft of the United States Thirteenth Air Force. |
| USS YR-43 | United States Navy | While under tow in the Gulf of Alaska by the tug LT-373 ( United States Army), the diesel auxiliary floating workshop broke loose, drifted ashore, and was wrecked 2.5 nautical miles (4.6 km; 2.9 mi) south of Zaikof Point on Montague Island, Territory of Alaska, at the entrance to Prince William Sound. Her entire crew survived, and was rescued by the rescue tug USS ATR-68 ( United States Navy), the lighthouse tender USCGC Cedar and the buoy tender USCGC Bramble (both United States Coast Guard). |

## 29 March

List of shipwrecks: 29 March 1945 :
| Ship | State | Description |
| CD-18 | Imperial Japanese Navy | World War II: Convoy HI-88J: The Type D escort ship was strafed, bombed and sunk in the South China Sea 35 miles off Cap Batangan, French Indochina (14°44′N 109°16′E﻿ / ﻿14.733°N 109.267°E﻿ / 14.733; 109.267) by North American B-25 Mitchell aircraft of the 498th and 501st Bomb Squadrons, United States Fifth Air Force. One hundred and eighty four crewmen including her commanding officer were killed. |
| CD-84 | Imperial Japanese Navy | World War II: Convoy HI-88J: The Type D escort ship was torpedoed and sunk in the South China Sea 20 miles north north east of pointe An Yo (14°40′N 109°16′E﻿ / ﻿14.667°N 109.267°E﻿ / 14.667; 109.267) by USS Hammerhead ( United States Navy). Six Honan Maru survivors and all of her 191 crewmen were killed. Some survivors were rescued by Manju ( Imperial Japanese Navy). |
| CD-130 | Imperial Japanese Navy | World War II: Convoy HI-88J: The Type D escort ship was strafed, bombed and sunk in the South China Sea off Nha Trang, French Indochina (14°39′N 109°16′E﻿ / ﻿14.650°N 109.267°E﻿ / 14.650; 109.267) by North American B-25 Mitchell aircraft of the 498th and 501st Bomb Squadrons, United States Fifth Air Force. All 178 crewmen were killed. |
| KT-125 | Soviet Navy | The K-15/M-17-class river minesweeping launch was sunk on this date. |
| Kaiko Maru | Imperial Japanese Navy | World War II: Convoy HI-88J: The tanker was strafed, bombed and sunk in the South China Sea off Nha Trang, French Indochina (15°14′N 109°26′E﻿ / ﻿15.233°N 109.433°E﻿ / 15.233; 109.433) by North American B-25 Mitchell aircraft of the 500th bomb Squadron, United States Fifth Air Force. Twelve passengers, four gunners and nineteen crewmen were killed. |
| Kommandøren | Norway | World War II: The cargo ship (543 GRT, 1891) was torpedoed and sunk at Bergen, Norway by S 13 ( Kriegsmarine) with the loss of a crew member. |
| Pa-173 | Imperial Japanese Navy | World War II: The Pa-1-class patrol boat was sunk by a mine in Wakamatsu Harbour. Later raised but not repaired. |
| 15 Shin'yō suicide motorboats | Imperial Japanese Navy | World War II: Okinawa Campaign: The Shin'yō-class suicide motorboats were sunk/destroyed by US Navy aircraft off Okinawa. |
| Showa Maru No. 2 GO | Imperial Japanese Navy | World War II: Convoy SAYU-02: The auxiliary submarine chaser was lost on this date. |
| HMCS Teme | Royal Canadian Navy | World War II: Convoy BTC 111: The River-class frigate (1,370/1,920 t, 1944) was torpedoed and damaged in the Atlantic Ocean off Land's End, Cornwall, United Kingdom (50°07′N 5°45′W﻿ / ﻿50.117°N 5.750°W﻿ / 50.117; -5.750) by U-315 ( Kriegsmarine). She was consequently declared a total loss and sold for scrap in December 1945. |
| U-1106 | Kriegsmarine | World War II: The Type VIIC/41 submarine was depth charged and sunk in the Atlantic Ocean north east of the Faroe Islands (61°46′N 2°16′W﻿ / ﻿61.767°N 2.267°W﻿ / 61.767; -2.267) by a Consolidated B-24 Liberator aircraft of 224 Squadron, Royal Air Force with the loss of all 46 crew. |
| U-1169 | Kriegsmarine | World War II: The Type VIIC/41 submarine was depth charged and sunk in the English Channel south of Lizard Point, Cornwall, United Kingdom by HMS Duckworth ( Royal Navy) with the loss of all 49 crew. |
| UJ 308 | Kriegsmarine | The KSK-2-class naval drifter/submarine chaser was lost in a collision on this date, raised post war, repaired and put in Soviet service. |
| V-5532 | Kriegsmarine | World War II: The KSK-2-class naval drifter/Vorpostenboot was shelled and set alight by HNoMS MTB 716 and HNoMS MTB 717 (both Royal Norwegian Navy) in Stokksundet, Norway, and beached. The ship was then destroyed by the fire. Of the 17-man crew, eight were killed and nine were wounded. |

## 30 March

List of shipwrecks: 30 March 1945 :
| Ship | State | Description |
| Eider | Germany | World War II: The coaster was sunk in an American air raid on Wilhelmshaven, Lower Saxony. |
| Eikichi Maru | Imperial Japanese Navy | World War II: The auxiliary gunboat was torpedoed and sunk in the Pacific Ocean south of Kyushu by USS Tirante ( United States Navy). |
| F 6 Königin Luise | Kriegsmarine | World War II: The command ship, a former F-class escort ship, was bombed and sunk by American Consolidated B-24 Liberator aircraft at Wilhelmshaven. |
| Gijon | Germany | World War II: The cargo ship was sunk in an American air raid on Bremen. |
| Gudrid | Norway | World War II: The cargo ship (1,305 GRT, 1922) was bombed and sunk at Menstad, Norway by de Havilland Mosquito aircraft of 143, 235, 248 and 333 Squadrons, Royal Air Force. Raised post-war, repaired and returned to service in 1948. |
| Hamburg | Germany | World War II: The coaster was sunk in an American air raid on Wilhelmshaven. |
| Hansburg | Germany | World War II: The cargo ship was sunk in an American air raid on Wilhelmshaven. |
| HMS High Tide | Royal Navy | The examination vessel, an Admiralty type drifter (106 GRT, 1919), foundered off northern Wales. |
| Jim | United Kingdom | World War II: The coaster (833 GRT, 1908) was either torpedoed and sunk in the North Sea by a Kriegsmarine Seehund midget submarine, or foundered in a storm. |
| Kiri Maru No. 5 Go | Imperial Japanese Navy | The auxiliary minesweeper was lost on this date. |
| Köln | Kriegsmarine | World War II: The Königsberg-class cruiser was bombed and sunk at Wilhelmshaven by Consolidated B-24 Liberator aircraft of the United States Army Air Force. The wreck was broken up in 1946. |
| HMS LCA 1433 | Royal Navy | The landing craft assault was smashed by waves during a storm in the Admiralty Islands. |
| M-329 | Kriegsmarine | World War II: The minesweeper was bombed and sunk by American aircraft at Wilhelmshaven. |
| M 3430 Mardyck | Kriegsmarine | World War II: The auxiliary minesweeper was bombed and sunk by American aircraft at Wilhelmshaven. |
| M 3138 | Kriegsmarine | World War II: The minesweeper struck a mine and sank in the Baltic Sea off Kolberg, Pomerania. |
| Njassa | Kriegsmarine | World War II: The accommodation ship was sunk in an American air raid on Wilhelmshaven. She was refloated in 1946 and scrapped. |
| Quirid Borgstad | Norway | World War II: The coaster (1,664 GRT) was sunk at Porsgrunn, Norway by de Havilland Mosquito aircraft of 143, 235, 248 and 33 Squadrons, Royal Air Force. |
| RA 256 | Kriegsmarine | The minesweeper, a former VAS 301-class submarine chaser, was lost on this date. |
| S 186 | Kriegsmarine | World War II: The torpedo boat was sunk in an American air raid on Wilhelmshaven, Germany. |
| S 194 | Kriegsmarine | World War II: The torpedo boat was sunk in an American air raid on Wilhelmshaven, Germany. |
| S 224 | Kriegsmarine | World War II: The torpedo boat was sunk in an American air raid on Wilhelmshaven, Germany. |
| Scharnhörn | Germany | World War II: The cargo ship was bombed and sunk at Menstad by de Havilland Mosquito aircraft of 143, 235, 248 and 333 Squadrons, RAF. |
| Shinan Maru | Imperial Japanese Navy | World War II: Convoy HI-88J: The auxiliary submarine chaser was sunk in the South China Sea off Yulin, Hainan, China (18°09′N 109°42′E﻿ / ﻿18.150°N 109.700°E﻿ / 18.150; 109.700) by North American B-25 Mitchell aircraft of the United States Army Air Force. |
| Specht | Germany | World War II: The coaster was sunk in an American air raid on Wilhelmshaven. |
| Stella | Germany | World War II: The cargo ship was bombed and sunk in an American air raid on Bremen, Germany. |
| Svanefjell | Norway | World War II: The cargo ship (1,371 GRT, 1936) was bombed and sunk at Menstad, Norway by de Havilland Mosquito aircraft of 143, 235, 248 and 333 Squadrons, Royal Air Force. Raised post-war, repaired and returned to service. |
| Torafire | Norway | World War II: The cargo ship (823 GRT, 1920) was bombed and sunk at Menstad, Norway by de Havilland Mosquito aircraft of 143, 235, 248 and 333 Squadrons, Royal Air Force. Raised in August 1945, repaired and returned to service in February 1948. |
| U-96 | Kriegsmarine | World War II: The Type VIIC submarine was bombed and sunk at Wilhelmshaven by United States Army Air Force aircraft. |
| U-348 | Kriegsmarine | World War II: The Type VIIC submarine was bombed and sunk at Hamburg (53°33′N 9°57′E﻿ / ﻿53.550°N 9.950°E﻿ / 53.550; 9.950) by United States Army Air Force aircraft with the loss of two crew. |
| U-350 | Kriegsmarine | World War II: The Type VIIC submarine was bombed and sunk at Finkenwerder, Hamburg (53°33′N 9°57′E﻿ / ﻿53.550°N 9.950°E﻿ / 53.550; 9.950) by United States Army Air Force aircraft. |
| U-429 | Kriegsmarine | World War II: The Type VIIC submarine was bombed and sunk at Wilhelmshaven (53°31′N 8°10′E﻿ / ﻿53.517°N 8.167°E﻿ / 53.517; 8.167) by United States Army Air Force aircraft. |
| U-430 | Kriegsmarine | World War II: The Type VIIC submarine was bombed and sunk at Bremen (53°08′N 8°46′E﻿ / ﻿53.133°N 8.767°E﻿ / 53.133; 8.767) by United States Army Air Force aircraft. |
| U-870 | Kriegsmarine | World War II: The Type IXC/40 submarine was bombed and sunk at Bremen by United States Army Air Force aircraft. |
| U-882 | Germany | World War II: The Type IXC/40 submarine was sunk in an American air raid on Bremen. |
| U-884 | Germany | World War II: The Type IXD/42 submarine was sunk in an American air raid on Bremen. |
| U-965 | Kriegsmarine | World War II: The Type VIIC submarine was depth charged and sunk in the Atlantic Ocean north of Scotland (58°19′N 5°31′W﻿ / ﻿58.317°N 5.517°W﻿ / 58.317; -5.517) by HMS Conn and HMS Rupert (both Royal Navy). |
| U-1131 | Kriegsmarine | World War II: The Type VIIc submarine was bombed and sunk at Hamburg in an American air raid. She was later scrapped. |
| U-1167 | Kriegsmarine | World War II: The Type VIIC/41 submarine was bombed and sunk at Hamburg in a British air raid with the loss of one crew member. |
| U-1197 | Kriegsmarine | World War II: The Type VIIC submarine was damaged in an American air raid on Bremen. She was consequently decommissioned. |
| U-2340 | Kriegsmarine | World War II: The Type XXIII submarine was bombed and sunk at Hamburg in a British air raid. The wreck was scrapped post-war. |
| U-3036 | Germany | World War II: The Type XXI submarine was sunk in an American air raid on Bremen. |
| U-3042 | Germany | World War II: The Type XXI submarine was destroyed on the slips in an American air raid on Bremen. |
| U-3043 | Germany | World War II: The Type XXI submarine was destroyed on the slips in an American air raid on Bremen. |
| U-3046 | Germany | World War II: The Type XXI submarine was sunk in an American air raid on Bremen. |
| U-3045 | Germany | World War II: The Type XXI submarine was sunk in an American air raid on Bremen. |
| U-3508 | Kriegsmarine | World War II: The Type XXI submarine was sunk in an American air raid on Wilhelmshaven. |
| Vistula | Kriegsmarine | World War II: The submarine tender was sunk in an American air raid on Wilhelmshaven. |
| Vs 343 | Kriegsmarine | World War II: The patrol boat struck a mine and sank in the Baltic Sea off Kolberg. |

## 31 March

List of shipwrecks: 31 March 1945 :
| Ship | State | Description |
| Ammon | Germany | World War II: The cargo ship was sunk in an Allied air raid on Hamburg. She was refloated in 1948 and scrapped. |
| HA-60 | Imperial Japanese Navy | World War II: The Type C-class midget submarine was bombed and damaged off Unten, Okinawa. She runs aground while trying to evade the attack and is abandoned. |
| I-8 | Imperial Japanese Navy | World War II: The Type J3 submarine was depth charged, shelled and sunk in the Pacific Ocean off Okinawa by USS Morrison and USS Stockton (both United States Navy) with the loss of 99 of her 100 crew. The survivor was rescued by USS Morrison. |
| John C. Fremont | United States | World War II: The Liberty ship was damaged by a mine in Subic Bay, Philippines and was declared a constructive total loss. There were no casualties. |
| Martha Russ I | Germany | World War II: The cargo ship was sunk in a British and Canadian air raid on Hamburg. She was raised in 1948, repaired the next year and sailed until 1962. |
| Nanho Maru | Imperial Japanese Navy | World War II: The auxiliary submarine chaser was sunk by Consolidated B-24 Liberator aircraft off Makassar. |
| Stormarn | Germany | World War II: The cargo ship was sunk in a British and Canadian air raid on Hamburg. |

## Unknown date

List of shipwrecks: Unknown date 1945 :
| Ship | State | Description |
| Celebes | Germany | World War II: The transport ship was bombed and severely damaged at Hamburg. She was repaired 1945–46 and entered Dutch service in November 1946. |
| Frigga | Germany | World War II: The cargo ship was bombed and sunk by Allied aircraft at Schulau. She was refloated later that year, repaired and returned to service. |
| Hans Rolshoven | Kriegsmarine | World War II: The salvaged, but unrepaired, Hans Rolshoven-class seaplane tender was bombed and sunk by British bombers at Sassnitz. |
| Jersbek | Germany | World War II: The cargo ship was bombed and sunk by Soviet aircraft on 9 March, or bombed and sunk by Soviet Douglas A-20 Havoc and Ilyushin Il-4 aircraft on 28 March, or struck a mine and sank in the Baltic Sea off Pillau (54°40′48″N 19°53′00″E﻿ / ﻿54.68000°N 19.88333°E﻿ / 54.68000; 19.88333) on 30 March. |
| USS Kete | United States Navy | World War II: The Balao-class submarine was lost in the Pacific Ocean on or after 20 March. She may have been torpedoed and sunk on 20 March by Ro-41 ( Imperial Japanese Navy). |
| HMS LCA 1112 | Royal Navy | The landing craft assault was lost sometime in March. |
| HMS LCA 1153 | Royal Navy | The landing craft assault was lost sometime in March. |
| HMS LCM 1011 | Royal Navy | The landing craft mechanized was lost in the Mediterranean Sea. |
| T40, T41 and T42 | Kriegsmarine | World War II: The incomplete Type 1941 torpedo boats were scuttled by their builder to prevent capture by the Red Army at the Schichau Yard, Elbing. |
| T43, T44, T45, T46, T47, T48, T49, and T50 | Kriegsmarine | World War II:The incomplete Type 1941 torpedo boats were destroyed by their builder to prevent capture by the Red Army at the Schichau Yard, Elbing. |
| TS 15 | Kriegsmarine | The incomplete torpedo training ship, originally designed to be an M 1940-class minesweeper, was destroyed on the stocks at Memel sometime in March (probably on 23 March). |
| Two unknown submarines | Imperial Japanese Navy | World War II: The midget submarines were scuttled at Davao, Philippines late in the month. |
| U-296 | Kriegsmarine | World War II: The Type VIIC submarine was lost on or about 12 March on patrol in the Atlantic Ocean (approximately 55°30′N 7°00′W﻿ / ﻿55.500°N 7.000°W﻿ / 55.500; -7.000) possibly due to striking a mine. All 42 crew were killed. |
| U-758 | Kriegsmarine | World War II: The Type VIIC submarine was severely damaged in a British air raid on Kiel, Schleswig-Holstein. She was struck from the navy list on 16 March. Scrapped in 1946. |
| Winrich von Kniprode | Germany | World War II: The troopship was bombed and damaged at Pillau in an Allied air raid. Subsequently repaired and returned to service |
| USS YCF-23, USS YCF-29, USS YCF-36 and USS YCF-37 | United States Navy | The non-self-propelled car floats were lost en route to Eniwetok sometime in March. |