List of shipwrecks in March 1941

The list of shipwrecks in july 1941 includes all ships sunk, foundered, grounded, or otherwise lost during March 1941.

1 March

 * SS Cadillac (🇬🇧 United Kingdom): World War II: Convoy HX 109: The tanker was torpedoed and sunk in the Atlantic Ocean 100 nmi south west of the Bishop Rock (59.73333°N, -11.26667°W) by GS U-552 with the loss of 37 of the 42 people on board. Survivors were rescued by HMS Malcolm (D19).
 * SS Empire Simba (🇬🇧 United Kingdom): The cargo ship was bombed and damaged in the Atlantic Ocean (52.35°N, -5.38333°W) by Luftwaffe aircraft and was abandoned by her crew. She was towed to Liverpool, Lancashire, arriving on 4 March. Subsequently repaired and returned to service.
 * SS Huldra (1940) (🇳🇴 Norway): World War II: The cargo ship struck a mine and sank at Hustadvika, Møre og Romsdal.
 * HMT Ploughboy : World War II: The naval trawler struck three mines off Malta and was severely damaged with the loss of one crew member. She was beached to prevent her sinking.
 * SS Rotula (🇳🇱 Netherlands): World War II: Convoy SC 22: The tanker was bombed and damaged in the Atlantic Ocean (52.25°N, -5.55°W) by Luftwaffe aircraft with the loss of sixteen of her 48 crew. She was later scuttled by a Royal Navy trawler.
 * HMT St Donats : World War II: The naval trawler collided in the North Sea off the mouth of the Humber with HMS Cotswold (L54) and sank.

2 March

 * SS Augvald (1920) (🇳🇴 Norway): World War II: Convoy HX 109: The cargo ship straggled behind the convoy. She was torpedoed and sunk in the Atlantic Ocean 150 nmi north west of Loch Ewe (59.5°N, -7.5°W) by GS U-147 (1940) with the loss of 29 of her 30 crew. The survivor was rescued by HMS Pimpernel (K71).
 * SS Castlehill (🇬🇧 United Kingdom): World War II: The cargo ship was bombed and sunk in the Bristol Channel off Minehead, Somerset by Luftwaffe aircraft with the loss of all but one crew.
 * SS Madge Wildfire (🇬🇧 United Kingdom): The cargo ship ran aground at Congress Point, Derbyhaven, Isle of Man and was wrecked.
 * SS Pacific (1915) (🇬🇧 United Kingdom): World War II: Convoy HX 109: The cargo ship was torpedoed and sunk in the Atlantic Ocean 180 nmi west south west of the Faroe Islands by GS U-95 (1940) with the loss of 33 of her 34 crew. The survivor was rescued by the trawler Dora (Light Blue Flag of Iceland.svg Iceland).
 * SS Simaloer (🇳🇱 Netherlands): World War II: The cargo ship was bombed and sunk in the Atlantic Ocean (56.66667°N, -10.76667°W) by Luftwaffe aircraft with the loss of two crew.

3 March

 * HMT Cobbers : World War II: The naval trawler was bombed and sunk off Lowestoft, Suffolk by Luftwaffe aircraft with the loss of eleven of her fifteen crew.
 * SS Knight of Malta: The cargo ship ran aground in the Mediterranean Sea 2 nmi west of Ras Azzaz, Egypt. Salvage was abandoned on 10 March following bombing by enemy aircraft.
 * MGB 12 : World War II: The Motor Gun Boat struck a mine in the Bristol Channel off Milford Haven, Pembrokeshire. She was taken in tow but sank on 6 March.
 * SS Port Townsville (🇬🇧 United Kingdom): World War II: The ship was bombed and damaged in the Atlantic Ocean (52.08333°N, -5.4°W) by Luftwaffe aircraft. She sank the next day.
 * Tiny (🇬🇧 United Kingdom): World War II: The yacht was bombed and sunk at Sunderland, Co Durham by Luftwaffe aircraft.

4 March

 * SS Andø (🇳🇴 Norway): World War II: The coaster was sunk at Lofoten, Nordland either by Fleet Air Arm aircraft or by demolition charges laid by British troops.
 * MV Anonity (1936) (🇬🇧 United Kingdom): World War II: The coaster struck a mine and sank in the North Sea 1.5 nmi south east of Skegness Pier, Lincolnshire with the loss of four of her six crew.
 * SS Bernhard Schulte (🇩🇪 Germany): World War II: Operation Claymore: The cargo ship was shelled and sunk in the Norwegian Sea off the Lofoten Islands, Norway by HMS Tartar (F43) . She was later raised and repaired.
 * MS Coburg (1928) (🇩🇪 Germany): World War II: The cargo ship was intercepted off Italian Somaliland (8.66667°N, 61.41667°W) by a Supermarine Walrus aircraft from HMAS Canberra (D33) and was scuttled. The crew were rescued by HMAS Canberra and HMNZS Leander.
 * SS Eilenau (🇩🇪 Germany): World War II: Operation Claymore: The cargo ship was sunk in the Norwegian Sea off the Lofoten Islands.
 * SS Elbing : World War II: Operation Claymore: The collier was shelled and set on fire in the Norwegian Sea off the Lofoten Islands by HMS Tartar (F43) and was beached. She was later repaired and returned to service.
 * SS Felix Heumann (🇩🇪 Germany): World War II: Operation Claymore: The cargo ship was sunk in the Norwegian Sea off the Lofoten Islands.
 * SS Gumbinnen (🇩🇪 Germany): World War II: Operation Claymore: The cargo ship was shelled and sunk in the Norwegian Sea off the Lofoten Islands by HMS Tartar (F43) . She was later raised and repaired
 * SS Hamburg (1911) (🇩🇪 Germany): World War II: Operation Claymore: The cargo ship was shelled and sunk in the Norwegian Sea off the Lofoten Islands by HMS Tartar (F43).
 * SS Ketty Brøvig (🇩🇪 Germany): World War II: The captured Norwegian tanker was intercepted off Italian Somaliland (8.66667°N, 61.41667°W) by HMAS Canberra (D33)  and HMNZS Leander . She was scuttled by her crew, who were rescued by the Allied warships.
 * GERMAN PATROL BOAT Krebs : World War II: Operation Claymore: The patrol boat was sunk by gunfire from HMS Somali (F33) in the Norwegian Sea off the Lofoten Islands.
 * SS Mira (1891) (🇳🇴 Norway): World War II: Operation Claymore: The cargo ship was shelled and sunk in the Norwegian Sea off the Lofoten Islands by HMS Bedouin (F67) . Two people were killed.
 * SS Pasajes (1920) (🇩🇪 Germany): World War II: Operation Claymore: The cargo ship was shelled and sunk in the Norwegian Sea off the Lofoten Islands by HMS Tartar (F43).

5 March

 * SS Colombo Lofaro ( undefined): World War II: The cargo ship was shelled and sunk in the Mediterranean Sea north east of Calabria (37.75°N, 15.76667°W) by HMS Triumph (N18).
 * SS Marzamemi ( undefined): World War II: The cargo ship was shelled and sunk in the Mediterranean Sea north east of Calabria (37.75°N, 15.76667°W) by HMS Triumph (N18).
 * SS Murjek (🇸🇪 Sweden): World War II: The cargo ship was torpedoed and sunk in the Atlantic Ocean west north west of Rockall, Inverness-shire by GS U-95 (1940) with the loss of all 31 crew.
 * ST Silverstone (🇬🇧 United Kingdom): World War II: The tug struck a mine and sank in the River Medway 3 nmi upstream of Rochester Bridge, Kent with the loss of all hands. Silverstone was towing barges Cestone, Rockstone, Sandstone and Stonecurb (all 🇬🇧 United Kingdom), two of which sank.
 * SS Stolzenfels (🇩🇪 Germany): World War II: The cargo ship was sunk by enemy action in the North Sea off Schiermonnikoog, Friesland, Netherlands.

6 March

 * ITALIAN SUBMARINE Anfitrite : World War II: The submarine was sunk in the Aegean Sea (34.91667°N, 23.75°W) by HMS Greyhound (H05) . Thirty-nine crew were taken as prisoners of war.
 * HMT Keryado : World War II: The naval trawler struck a mine in the English Channel and sank 10 nmi south of Brighton, East Sussex with the loss of nine crew.
 * MV Mexico (1919) (🇳🇴 Norway): World War II: Convoy FS 247: The tanker struck a mine and sank in the North Sea (51.88333°N, 1.61667°W) with the loss of ten of her 33 crew. Survivors were rescued by HMS Codrington (D65) . The partially sunk wreck was dispersed in 1946.
 * Mouse (🇬🇧 United Kingdom): World War II: The echo sounding boat was sunk by the explosion of a mine at Falmouth, Cornwall.
 * Queen Wasp (🇬🇧 United Kingdom): World War II: The barge was sunk by the explosion of a mine at Falmouth.
 * HMS Sun VII : : World War II: The tug struck a mine and sank in the Thames Estuary with the loss of five crew.

7 March

 * SS Adolphe Urbain (🇧🇪 Belgium): The cargo ship was last reported in the Mumbles Roads, Glamorgan, United Kingdom, en route to Drogheda, Ireland. No further trace, a lifeboat was washed up at Kilrush, Ireland on 26 March.
 * MV Athelbeach (🇬🇧 United Kingdom): World War II: Convoy OB 293: The tanker was torpedoed and damaged in the Atlantic Ocean (60.5°N, -13.5°W) by GS U-70 (1940). She was then torpedoed, shelled and sunk by GS U-99 (1940) (both ) with the loss of seven of her 44 crew. Survivors were rescued by HMS Camellia (K31).
 * SS Boulderpool (🇬🇧 United Kingdom): World War II: Convoy FN 426 or FS 429: The cargo ship was torpedoed and sunk in the North Sea (52.96667°N, 1.46667°W) by GERMAN TORPEDO BOAT S-61 . All crew were rescued.
 * SS Corduff (🇬🇧 United Kingdom): World War II: Convoy FN 426 or FS 429: The cargo ship was torpedoed and sunk in the North Sea off Cromer, Norfolk by GERMAN TORPEDO BOAT S-28 with the loss of seven of her 23 crew. Two of the survivors were taken as prisoners of war.
 * SS Delilian (🇬🇧 United Kingdom): World War II: Convoy OB 293: The cargo ship was torpedoed and damaged in the Atlantic Ocean (60.46667°N, -13.63333°W) by GS U-70 (1940)  and was abandoned by her 68 crew. She was later reboarded, repaired and returned to service in May 1941.
 * SS Dotterel (1936) (🇬🇧 United Kingdom): World War II: Convoy FN 426 or FS 429: The cargo ship was torpedoed and damaged in the North Sea off Southwold, Suffolk by GERMAN TORPEDO BOATS S-29 . She was beached at 52.68333°N, 1.98333°W but declared a total loss. Eight of her 27 crew were lost. Survivors were rescued by HMS Sheldrake (L06)
 * SS Flashlight (🇬🇧 United Kingdom): World War II: The coaster was bombeded and sunk in the North Sea (53.65°N, 0.81667°W) by Luftwaffe aircraft. All crew were rescued.
 * SS Kenton (1913) (🇬🇧 United Kingdom): World War II: Convoy FN 426 or FS 429: The cargo ship was torpedoed and sunk in the North Sea (52.95°N, 1.5°W) by GERMAN TORPEDO BOAT S-31 with the loss of four crew.
 * SS Mentor (1902) (🇬🇷 Greece): World War II: The cargo ship was torpedoed and sunk in the Atlantic Ocean (59.5°N, -25°W) by GS U-37 (1938) with the loss of seven of her 22 crew.
 * MTB 28 : The Motor Torpedo Boat was destroyed by fire at Portsmouth, Hampshire.
 * SS Rye (🇬🇧 United Kingdom): World War II: Convoy FN 426 or FS 429: The cargo ship was torpedoed and sunk in the North Sea by GERMAN TORPEDO BOAT S-27 with the loss of all 24 crew.
 * MV Terje Viken (🇬🇧 United Kingdom): World War II: Convoy OB 293: The whaler was torpedoed and damaged in the Atlantic Ocean (60°N, -12.83333°W) by U-99 with the loss of two of her 107 crew. Survivors were rescued by HMS Hurricane (H06) . She was one of the largest merchant ships sunk during World War II at 20,638 tons. She was scuttled on 14 March by three Royal Navy ships.
 * GS U-47 (1938) : The Type VIIB submarine was lost on or after this date with the loss of all 47 crew.
 * GS U-70 (1940) : World War II: The Type VIIC submarine was depth charged and sunk in the Atlantic Ocean by HMS Arbutus (K86) and HMS Camellia (K31) (both ) with the loss of twenty of her 45 crew. Survivors were taken on board the corvettes as prisoners of war.

8 March

 * HMS Dart : World War II: The auxiliary minesweeper struck a mine and sank in the Suez Canal with the loss of two of her four crew.
 * SS Dunaff Head (🇬🇧 United Kingdom): World War II: Convoy OB 293: The cargo ship was torpedoed and sunk in the Atlantic Ocean (60.55°N, -18.83333°W) by GS U-A with the loss of five crew.
 * SS Francis Dawson (🇬🇧 United Kingdom): The cargo ship caught fire at Halifax, Nova Scotia, Canada and was declared a constructive total loss. Repaired and returned to service as Empire Tyne.
 *  George E. Klinck (🇺🇸 United States): The schooner foundered off North Carolina. All eight crew were rescued by USS Wasp (CV-7)
 * SS Harmodius (Ayrshire, 1919) (🇬🇧 United Kingdom): World War II: Convoy SL 67: The cargo ship was torpedoed and sunk in the Atlantic Ocean (20.58333°N, -20.66667°W) by GS U-105 (1940) with the loss of fourteen of her 75 crew. Survivors were rescued by HMS Faulknor (H62) and HMS Forester (H74) (both ).
 * SS Hindpool (🇬🇧 United Kingdom): World War II: Convoy SL 67: The cargo ship was torpedoed and sunk in the Atlantic Ocean (20.85°N, -20.53333°W) by GS U-124 (1940) with the loss of 28 of her 40 crew. Survivors were rescued by HMS Faulknor (H62)  and SS Guido (🇬🇧 United Kingdom).
 * SS Lahore (🇬🇧 United Kingdom): World War II: Convoy SL 67: The cargo ship was torpedoed and sunk in the Atlantic Ocean (21.05°N, -20.63333°W) by GS U-124 (1940) . All 82 crew were rescued by HMS Forester (H74).
 * SS Nardana (🇬🇧 United Kingdom): World War II: Convoy SL 67: The cargo ship was torpedoed and sunk in the Atlantic Ocean (20.85°N, -20.53333°W) by GS U-120 (1940) with the loss of nineteen of her 107 crew. Survivors were rescued by HMS Faulknor (H62) and HMS Forester (H74) (both ).
 * SS Norman Queen (🇬🇧 United Kingdom): World War II: Convoy FN 426 or FS 429: The coaster was torpedoed and sunk in the North Sea off Happisburgh, Norfolk by GERMAN TORPEDO BOAT S-102 with the loss of fourteen crew. One survivor was taken as a prisoner of war.
 * SS Nurgis (🇳🇴 Norway): World War II: The coaster was bombed and sunk in the English Channel 7 nmi west by north of The Lizard, Cornwall, United Kingdom by Luftwaffe aircraft. All fourteen crew were rescued by SS Arthur Wright (🇬🇧 United Kingdom).
 * SS Prins Frederik Hendrik (1936) (🇳🇱 Netherlands): World War II: The cargo ship was bombed and sunk in St George's Channel (52.33333°N, -5.61667°W) by Luftwaffe aircraft with the loss of eight crew.
 * SS Tielbank (🇬🇧 United Kingdom): World War II: Convoy SL 67: The cargo ship was torpedoed and sunk in the Atlantic Ocean (20.85°N, -20.53333°W) by GS U-124 (1940) with the loss of four of her 66 crew. Survivors were rescued by HMS Forester (H74).
 * SS Togstun (🇬🇧 United Kingdom): World War II: Convoy FN 426 or FS 429: The cargo ship was torpedoed and sunk in the North Sea off Cromer, Norfolk by GERMAN TORPEDO BOAT S-102 with the loss of eight crew.

9 March

 * SS Capo Vita ( undefined): World War II: The cargo ship was torpedoed and sunk in the Gulf of Hammanet (36.15°N, 11.11667°W) by HMS Utmost (N19).
 * HMT Gulfoss (FY710) : World War II: The naval trawler struck a mine and sank in the English Channel off Hastings, East Sussex with the loss of ten crew.
 * HMT Hatsuse : World War II: The naval trawler struck a mine and was damaged in the English Channel 1.2 nmi south of Penlee Point, Rame, Cornwall. She was beached in Cawsand Bay. Refloated on 11 March, repaired and returned to service.
 * SS Marathon (🇬🇷 Greece): World War II: The cargo ship was shelled and sunk in the South Atlantic (approximately 21°N, -25°W) by GERMAN BATTLESHIP Scharnhorst . All crew were taken as prisoners of war.

10 March

 * SS Bur (1917) (🇳🇴 Norway): World War II: The cargo ship was bombed and damaged in the Bristol Channel (52.2°N, -5.86667°W). She was beached on Goodwick Sands. Later refloated, repaired and returned to service.
 * SS Corinia (🇬🇧 United Kingdom): World War II: The coaster struck a mine and sank in the North Sea (50.91667°N, 0.58333°W) with the loss of fourteen crew.
 * SS Fenicia ( undefined): World War II: The cargo ship was torpedoed and sunk in the Mediterranean Sea 60 nmi east of the Kerkennah Islands, Tunisia by HMS Unique (N95).
 * Reykjaborg (Light Blue Flag of Iceland.svg Iceland): World War II: The trawler was torpedoed, shelled and sunk in the Atlantic Ocean 459 nmi south east of Iceland by GS U-552 with the loss of thirteen of her fifteen crew. Survivors were rescued by HMS Pimpernel (K71).
 * SS Sparta (🇬🇧 United Kingdom): World War II: The coaster struck a mine and sank in the North Sea (50.91667°N, 0.58333°W) with the loss of nine crew.
 * SS Waterland (🇬🇧 United Kingdom): World War II: The cargo ship struck a mine and sank in the North Sea (50.91667°N, 0.58333°W) with the loss of seven crew.

11 March

 * Aberdeen (🇬🇧 United Kingdom): World War II: The trawler was bombed and sunk in Cardigan Bay by Luftwaffe aircraft with the loss of eight of her ten crew.
 * SS Memnon (🇬🇧 United Kingdom): World War II: The cargo ship was torpedoed and sunk in the Atlantic Ocean (20.68333°N, -21°W) by GS U-106 (1940) with the loss of five of the 29 people on board. Survivors either landed in French West Africa and were interned by Vichy French authorities or were rescued by GERMAN BATTLESHIP Gneisenau
 * HMT Revello : World War II: The naval trawler was bombed and sunk at Portsmouth, Hampshire by Luftwaffe aircraft. She was raised on 20 March and later repaired and returned to service.
 * HMS Witherington (D76) : World War II: The W class destroyer was bombed and damaged at Portsmouth by Luftwaffe aircraft and was beached. She was later repaired and returned to service.

12 March

 * SS Buenos Aires (1920) (🇸🇪 Sweden): World War II: The cargo ship was bombed and sunk at Liverpool, Lancashire by Luftwaffe aircraft. She was subsequently refloated, and used as a hulk at Scapa Flow, Orkney Islands.
 * SS Empire Frost (🇬🇧 United Kingdom): World War II: Convoy SC 23: The cargo ship was bombed and damaged in St George's Channel (51.6°N, -5.66667°W) by Luftwaffe aircraft. She was taken in tow by ST Seine (🇳🇱 Netherlands) but was bombed again the next day and sank (51.55°N, -5.9°W) with the loss of six of her 43 crew.
 * SS Essex Lance (🇬🇧 United Kingdom): World War II: The cargo ship was bombed and damaged in the North Sea (51.05°N, 1.63333°W by Luftwaffe aircraft and was beached the next day off Cromer, Norfolk. She was subsequently refloated, repaired and returned to service.
 * Mammoth 🇬🇧 United Kingdom): The floating crane was bombed and sunk at Liverpool by Luftwaffe aircraft.
 * Pétursey (Light Blue Flag of Iceland.svg Iceland): World War II: The trawler was shelled and sunk in the Atlantic Ocean south of Iceland by GS U-37 (1938).
 * SS Stella (1905) (🇸🇪 Sweden): World War II: The cargo ship was bombed and sunk at Manchester, Lancashire by Luftwaffe aircraft. She was refloated in October. Subsequently repaired and entered British service as River Swift.
 * SS Trevethoe (🇬🇧 United Kingdom): World War II: Convoy FS 32: The cargo ship was torpedoed and sunk in the North Sea off Orfordness, Suffolk (52.76667°N, 1.95°W) by GERMAN TORPEDO BOAT S-28 with the loss of one crew member.

13 March

 * SS Excelsior (1864) (🇬🇧 United Kingdom): World War II: The flat was bombed and sunk at Liverpool, Lancashire by Luftwaffe aircraft.
 * SS Myrmidon (🇬🇧 United Kingdom): World War II: The cargo ship was bombed and sunk at Liverpool by Luftwaffe aircraft. She was refloated on 27 March and drydocked for repairs.
 * SS Ngatira (🇬🇧 United Kingdom): World War II: The cargo ship struck a mine and was damaged in the Bristol Channel (51.35°N, -3.28333°W) and was beached. She was later refloated.
 * SS Perseus (1922) (🇳🇱 Netherlands): World War II: The cargo ship was bombed and sunk in the Irish Sea 12 nmi off Bardsey Island, Caernarvonshire by Luftwaffe aircraft. All crew were rescued.
 * SS Samlanes (🇳🇴 Norway): World War II: The coaster struck a mine and sank in the English Channel 2 nmi due south of The Lizard, Cornwall with the loss of all hands.
 * SS Star XIX (🇩🇪 Germany): World War II: The captured Norwegian whaler was intercepted in the Atlantic Ocean (approximately 45°N, -23°W) by HMS Scarborough (L25) and was scuttled by her crew, who were rescued by the sloop.
 * SS Star XXIV (🇩🇪 Germany): World War II: The captured Norwegian whaler was intercepted in the Atlantic Ocean (approximately 45°N, -23°W) by HMS Scarborough (L25) and was scuttled by her crew, who were rescued by the sloop.
 * SS Tacoma City (🇬🇧 United Kingdom): World War II: Convoy HX 110: The cargo ship struck a mine and sank in Liverpool Bay with the loss of four crew.
 * Two Brothers (🇬🇧 United Kingdom: World War II: The fishing smack was bombed and sunk at King's Lynn, Norfolk by Luftwaffe aircraft.
 * SS Ullapool (1927) (🇬🇧 United Kingdom): World War II: Convoy SC 23: The cargo ship struck a parachute mine, broke in two and sank in the Mersey with the loss of fifteen of her 38 crew. The wreck was subsequently demolished.

14 March

 * SS Artemisia (🇬🇧 United Kingdom): World War II: The cargo ship was bombed and sunk in the North Sea (52.88333°N, 1.65°W) by Luftwaffe aircraft with the loss of two crew.
 * SS Belhaven (🇬🇧 United Kingdom): World War II: The collier was bombed and sunk in the Clyde by Luftwaffe aircraft.
 * SS Clermiston (🇬🇧 United Kingdom): World War II: The cargo ship was bombed and sunk at Glasgow, Renfrewshire by Luftwaffe aircraft. She was raised in October 1941 and beached. In 1942, she was towed to Ardrossan, Ayrshire.
 * SS Herport (🇬🇧 United Kingdom): World War II: The cargo ship struck a mine and sank in the North Sea (53.25°N, 1.08333°W) with the loss of four crew.
 * HMT Jeannie Leask : World War II: The naval trawler struck a mine and was damaged in the North Sea (51.73333°N, 1.11667°W) and was beached at Brightlingsea, Essex. She was bombed on 25 March by Luftwaffe aircraft. Refloated on 13 April and arrived at Wivenhoe, Essex.
 * Peaceful Star (🇬🇧 United Kingdom: World War II: The drifter was bombed and sunk in the Irish Sea 17 nmi east south east of Rockabill, County Dublin, Ireland. All crew were rescued.
 * SS Po (1911) ( undefined): World War II: The hospital ship was torpedoed and sunk at Vlorë, Albania by Fairey Swordfish aircraft of 815 Squadron, Fleet Air Arm
 * SS Rainer (🇫🇷 France): World War II: The cargo ship was torpeded and sunk in the North Sea by a Kriegsmarine U-boat.
 * Santa Clara (🇧🇷 Brazil): World War II: The cargo ship was torpedoed and sunk in the Atlantic Ocean (30.8°N, -68.7°W by a Kriegsmarine U-boat with the loss of all hands.
 * SS Santa Maria (1913) ( undefined): World War II: The cargo ship was torpedoed and sunk at Vlorë by Fairey Swordfish aircraft of 815 Squadron, Fleet Air Arm. She as later salvaged, repaired and returned to service.
 * SS Stanleigh (🇬🇧 United Kingdom): World War II: The cargo ship was bombed and sunk in Liverpool Bay 12 nmi west of the Bar Lightship (🇬🇧 United Kingdom) by Luftwaffe aircraft with the loss of seventeen crew.
 * SS Trevarrack (🇬🇧 United Kingdom): World War II: The cargo ship was bombed and sunk at Dalmuir, Renfrewshire by Luftwaffe aircraft. She was refloated later that month, repaired and returned to service.
 * SS Western Chief (🇬🇧 United Kingdom): Convoy SC 24: The cargo ship straggled behind the convoy. She was torpedoed and sunk in the Atlantic Ocean (58.41667°N, -21.21667°W) by ITALIAN SUBMARINE Emo with the loss of 22 of her 43 crew.

15 March

 * MV Athelfoam (🇬🇧 United Kingdom): World War II: The tanker was shelled and sunk in the Atlantic Ocean (42°N, -43.41667°W) by GERMAN BATTLESHIP Scharnhorst with the loss of two crew. Survivors were taken as prisoners of war.
 * Bianca (🇳🇴 Norway): World War II: The tanker was captured in the Atlantic Ocean by GERMAN BATTLESHIP Gneisenau . She was scuttled five days later when intercepted by HMS Renown (1916)) ).
 * MV British Strength (🇬🇧 United Kingdom): World War II: The tanker was shelled and sunk in the Atlantic Ocean (approximately (42°N, -43°W) by GERMAN BATTLESHIP Scharnhorst with the loss of two crew. Survivors were taken as prisoners of war.
 * Chabool : The tug sailed from Aden for Berbera, British Somaliland. No further trace, all eight crew lost.
 * MV Eminent (🇧🇪 Belgium): World War II: The cargo ship struck a mine and sank in St George's Channel, United Kingdom (52.53333°N, -5.61667°W). All crew were rescued.
 * SS Myson (🇬🇧 United Kingdom): World War II: The cargo ship was shelled and sunk in the Atlantic Ocean (approximately 42°N, -43°W) by GERMAN BATTLESHIP Gneisenau . All crew were rescued.
 * SS Rio Dorado (🇬🇧 United Kingdom): World War II: The cargo ship was shelled and sunk in the Atlantic Ocean (approximately 42°N, -43°W) by GERMAN BATTLESHIP Gneisenau with the loss of all hands.
 * SS Royal Crown (🇬🇧 United Kingdom): World War II: The cargo ship was shelled and sunk in the Atlantic Ocean (approximately 42°N, -43°W) by GERMAN BATTLESHIP Gneisenau . All crew were rescued.
 * MV San Casimiro (🇬🇧 United Kingdom): World War II: The tanker was captured in the Atlantic Ocean (39.98333°N, -43.31667°W) by GERMAN BATTLESHIP Gneisenau . She was scuttled five days later at 45.2°N, -19.7°W when intercepted by HMS Renown (1916)) ).
 * SS Simnia (🇬🇧 United Kingdom): World War II: World War II: The tanker was shelled and sunk in the Atlantic Ocean (40.46667°N, -43.5°W) by GERMAN BATTLESHIP Gneisenau with the loss of three crew. The survivors were taken as prisoners of war.
 * ST Warrior (🇬🇧 United Kingdom): World War II: The tug struck a mine and was damaged in the Clyde at its confluence with the River Cart. She was beached at Renfrew. Later refloated, repaired and returned to service.

16 March

 * SS Almkerk (🇳🇱 Netherlands): World War II: The cargo ship was torpedoed and sunk in the Atlantic Ocean (13.66667°N, -20.5°W) by GS U-106 (1940) . All 66 crew were rescued by SS Martand (🇬🇧 United Kingdom).
 * MV Beduin (1936) (🇳🇴 Norway): World War II: Convoy HX 112: The tanker was torpedoed and damaged in the Atlantic Ocean by GS U-99 (1940) with the loss of four of her 34 crew. She later broke in two, the bow section was shelled and sunk by a naval trawler at 61.03333°N, -11.88333°W on 19 March and the stern section was shelled and sunk at 61.11667°N, -10.83333°W on 20 March. Survivors were rescued by the trawler Hilmir (Light Blue Flag of Iceland.svg Iceland) and River Ayr (🇬🇧 United Kingdom).
 * ST Bullger (🇬🇧 United Kingdom): World War II: The tug struck a mine in Druridge Bay and sank while towing SS Empire Breeze.
 * SS Chilean Reefer (🇬🇧 United Kingdom): World War II: The cargo ship was shelled and sunk in the Atlantic Ocean (45.96667°N, -44°W) by GERMAN BATTLESHIP Gneisenau with the loss of nine crew. Three of the survivors were taken as prisoners of war.
 * SS Demeterton (🇬🇧 United Kingdom): World War II: The cargo ship was shelled and sunk in the Atlantic Ocean (45.96667°N, -44°W) by GERMAN BATTLESHIP Scharnhorst . All crew were taken as prisoners of war.
 * SS Elna E (🇳🇴 Norway): World War II: The cargo ship struck a mine and sank in the Bristol Channel 18 nmi south west of Lundy Island, Devon, United Kingdom with the loss of one of her nineteen crew.
 * SS Empire Industry (🇬🇧 United Kingdom): World War II: Convoy OB 272: The cargo ship was shelled and sunk in the Atlantic Ocean (43.45°N, -45.41667°W) by GERMAN BATTLESHIP Scharnhorst . All crew were taken as prisoners of war.
 * MV Erodona (🇬🇧 United Kingdom): World War II: Convoy HX 112: The tanker was torpedoed and damaged in the Atlantic Ocean (61.33333°N, -17°W) by GS U-110 (1940) with the loss of 36 of her 51 crew. The ship was abandoned, she broke in two, with the stern section sinking. The bow section was towed to Edisvik, Iceland. It was later towed to Reykjavík and then to Blyth, Northumberland. Repaired and returned to service in February 1944.
 * MV Ferm (1933) (🇳🇴 Norway): World War II: Convoy HX 112: The tanker was torpedoed and damaged in the Atlantic Ocean (60.7°N, -13.16667°W) by GS U-99 (1940) . The ship broke in two. The bow section was scuttled by a naval trawler on 19 March at 61.03333°N, -11.88333°W. The stern section was scuttled on 20 March at 61.11667°N, -10.83333°W. All crew were rescued by HMS Bluebell (K80)
 * SS Giovanni Boccaccio (🇮🇹 Italy): World War II: The cargo ship was torpedoed and damaged in the Mediterranean Sea off Melito Porto Salvo, Italy (35.95°N, 15.66667°W) by HMS Parthian (N75) . She was beached at Condofori. Later refloated and towed to Rimini, Emilia-Romagna for repairs.
 * SS Granli (1934) (🇳🇴 Norway): World War II: Convoy OB 292: The cargo ship was shelled and sunk in the Atlantic Ocean 300 nmi west of Newfoundland by GERMAN BATTLESHIP Gneisenau . All crew were rescued.
 * SS J B White (🇨🇦 Canada): World War II: Convoy HX 112: The cargo ship was torpedoed and sunk in the Atlantic Ocean (60.95°N, -12.45°W) by GS U-99 (1940) with the loss of two of her 40 crew. Survivors were rescued by HMS Walker (D27).
 * MV Korshamn (🇸🇪 Sweden): World War II: Convoy HX 112: The cargo ship was torpedoed and sunk in the Atlantic Ocean by GS U-99 (1940) with the loss of 24 of her 36 crew.
 * HMT Lady Lilian : World War II: The naval trawler was bombed and sunk in the Atlantic Ocean 75 nmi west of Erris Head, Ireland by Luftwaffe aircraft.
 * SS Mangkai (🇳🇱 Netherlands): World War II: The cargo ship was shelled and sunk in the Atlantic Ocean (approximately 44°N, -43°W) by GERMAN BATTLESHIP Scharnhorst . Some crew were taken as prisoners of war.
 * SS Sardinian Prince (🇬🇧 United Kingdom): World War II: The cargo ship was shelled and sunk in the Atlantic Ocean (approximately 44°N, -43°W) by GERMAN BATTLESHIP Scharnhorst . All crew were taken as prisoners of war.
 * MV Silver Fir (🇬🇧 United Kingdom): World War II: The cargo ship was shelled and sunk in the Atlantic Ocean (approximately 44°N, -43°W) by GERMAN BATTLESHIP Scharnhorst with the loss of one crew member. Survivors were taken as prisoners of war.
 * SS Varangnes (🇳🇴 Norway): The cargo ship was rammed and sunk in the North Sea by GERMAN PATROL VESSEL V-1106.
 * SS Venetia (1927) (🇬🇧 United Kingdom): World War II: Convoy HX 112: The tanker was torpedoed and sunk in the Atlantic Ocean (61°N, -12.6°W) by GS U-99 (1940) . All 40 crew were rescued by HMS Bluebell (K80).

17 March

 * SS Andalusian (🇬🇧 United Kingdom): World War II: Convoy SL 68: The cargo ship was torpedoed and sunk in the Atlantic Ocean (14.55°N, -21.1°W) by GS U-106 (1940) . All 42 crew survived.
 * SS Einar Jarl : World War II: Convoy OB 229: The cargo ship struck a mine and sank in the North Sea (56.28333°N, -2.3°W) with the loss of one of her 22 crew. Survivors were rescued by SS Medway Coast (🇬🇧 United Kingdom).
 * SS Korshamm (🇸🇪 Sweden): World War II: Convoy HX 112: The cargo ship was torpedoed and sunk in the Atlantic Ocean (61.15°N, -12.33333°W) by GS U-99 (1940) with the loss of 26 crew.
 * HMY Mollusc : World War II: The anti-submarine yacht was sunk bombed and in the North Sea off Blyth, Northumberland by Luftwaffe aircraft. All crew were rescued.
 * SS Tapanoeli (🇳🇱 Netherlands): Convoy SL 68: The cargo ship was torpedoed and sunk in the Atlantic Ocean (15.93333°N, -20.81667°W) by GS U-106 (1940) . All crew were rescued.
 * GS U-99 (1940) : World War II: The Type VIIB submarine was depth charged and damaged in the Atlantic Ocean (61.26667°N, -12.93333°W) by HMS Vanoc (H33) and HMS Walker (D27) (both ). She surfaced and was scuttled with the loss of three of her 43 crew. The survivors were rescued by HMS Walker and taken as prisoners of war.
 * GS U-100 (1940) : World War II: The Type VIIB submarine was depth charged and sunk in the Atlantic Ocean (approximately 61°N, -12°W) by HMS Vanoc (H33) with the loss of 38 of her 44 crew.

18 March

 * ITALIAN TORPEDO BOAT Aldebaran : World War II: The Spica-class torpedo boat was bombed and sunk at Vlorë, Albania by Royal Air Force aircraft.
 * SS Bremen (1929) (🇩🇪 Germany): The ocean liner was set on fire in an arson attack at Bremen and was burnt out. She was scrapped in 1946.
 * SS Daphne II (🇬🇧 United Kingdom): World War II: The cargo ship was torpedoed and damaged in the North Sea off the mouth of the Humber. She was beached off the Bull Lightship (🇬🇧 United Kingdom) but broke in two and sank.
 * SS Medjerda (1924) (🇬🇧 United Kingdom): Convoy SL 68: The cargo ship straggled behind the convoy. She was torpedoed and sunk in the Atlantic Ocean (approximately 17°N, -21°W) by GS U-105 (1940) with the loss of all 54 crew.
 * HMS Rosaura : World War II: The armed boarding vessel struck a mine and sank in the Mediterranean Sea off Tobruk, Libya with the loss of 78 lives.
 * SS Widar (🇩🇪 Germany): World War II: The cargo ship was sunk by an aerial torpedo in the Wadden Sea off Borkum, Lower Saxony.

19 March

 * SS Benvorlich (🇬🇧 United Kingdom): World War II: Convoy OB 298: The cargo ship was bombed and sunk in the Atlantic Ocean (54.8°N, -13.16667°W) by Luftwaffe aircraft with the loss of five crew. Survivors were rescued by the convoy rescue ship SS Zamalek (🇬🇧 United Kingdom).
 * SS Clan MacNab (1920) (🇬🇧 United Kingdom): World War II: Convoy SL 68: The cargo ship collided in the Atlantic Ocean with MV Strix (🇳🇴 Norway) and sank.
 * SS Juno (1937) (🇬🇧 United Kingdom): The coaster was bombed and damaged at Surrey Commercial Docks, Rotherhithe, London by Luftwaffe aircraft. She was declared a constructive total loss.
 * SS Leo (1924) (🇳🇴 Norway): World War II: The cargo ship was bombed and sunk in the Atlantic Ocean 75 nmi north west of the Butt of Lewis, Hebrides, United Kingdom. All 21 crew were rescued by HMS Echo (H23).
 * SS Mandalika (🇳🇱 Netherlands): World War II: Convoy SL 68: The cargo ship was torpedoed and sunk in the Atlantic Ocean (18.26667°N, -21.43333°W) by GS U-106 (1940) with the loss of three of her 65 crew. Survivors were rescued by HMS Marguerite (K54).
 * MV Nyegg (1932) (🇳🇴 Norway): The coaster ran aground north of Egersund, Rogaland. Salvage efforts were abandoned and she was declared a total loss.

20 March

 * Bianca (🇬🇧 United Kingdom): World War II: The fishing vessel was sunk by the explosion of a mine or torpedo in the Irish Sea with the loss of five crew.
 * SS Cieszyn (🇵🇱 Poland): World War II: The cargo ship was bombed and sunk in the English Channel 3 nmi south south east of Manacle Point, Cornwall, United Kingdom by Luftwaffe aircraft. All crew were rescued.
 * Dox (🇬🇧 United Kingdom): World War II: The fishing vessel was bombed and sunk at Plymouth, Devon by Luftwaffe aircraft.
 * ST Elan II (🇬🇧 United Kingdom): World War II: The tug was bombed and sunk at Plymouth by Luftwaffe aircraft. She was refloated in October 1941.
 * Gloaming (🇬🇧 United Kingdom): World War II: The fishing vessel was bombed and sunk in the North Sea off the mouth of the Humber by Luftwaffe aircraft.
 * HMT Helvellyn : World War II: The auxiliary anti-aircraft ship was bombed and sunk at London by Luftwaffe aircraft.
 * Joan Margaret (🇬🇧 United Kingdom): World War II: The fishing vessel struck a mine and sank off the mouth of the Humber with the loss of five crew.
 * SS Lindenhall (🇬🇧 United Kingdom): World War II: The cargo ship was bombed and sunk in Royal Victoria Dock, Plaistow, London by Luftwaffe aircraft. She was later raised and entered a drydock at Millwall, London on 23 April.
 * CS Mackay-Bennett (🇬🇧 United Kingdom): World War II: The hulk was bombed and sunk at Plymouth, Devon by Luftwaffe aircraft. She was refloated on 28 July. Subsequently returned to service.
 * SS Mari II (🇬🇧 United Kingdom): World War II: The cargo ship was bombed and sunk at Plymouth by Luftwaffe aircraft. She was refloated on 27 June, repaired and returned to service.
 * ST Sir Bevois (🇬🇧 United Kingdom): World War II: The tug was bombed and sunk at Plymouth by Luftwaffe aircraft with the loss of nine of her fourteen crew.
 * HMT Soizic : World War II: The naval trawler was sunk by enemy action.

21 March

 * HMT Asama : World War II: The naval trawler was bombed and sunk at Plymouth, Devon by Luftwaffe aircraft.
 * SS Benwyvis (🇬🇧 United Kingdom): World War II: Convoy SL 68: The cargo ship was torpedoed and sunk in the Atlantic Ocean (approximately 20°N, -26°W) by GS U-105 (1940) with the loss of 34 of her 35 crew. The survivor was rescued by SS Ville de Rouen (🇫🇷 France).
 * SS Clan Ogilvy (1914) (🇬🇧 United Kingdom): World War II: Convoy SL 68: The cargo ship was torpedoed and sunk in the Atlantic Ocean (20.06667°N, -25.75°W) by GS U-105 (1940) with the loss of 61 of her 85 crew. Survivors were rescued by SS Batna (🇬🇧 United Kingdom), SS Cabo Villano (🇪🇸 Spain) and SS King Edgar (🇬🇧 United Kingdom).
 * SS Embiricos Nicolaos (🇬🇷 Greece): World War II: Convoy AS 21: The cargo ship was bombed and sunk in the Mediterranean Sea (34.5°N, 24.75°W) by Luftwaffe aircraft with the loss of two crew. Survivors were rescued by a Royal Hellenic Navy destroyer.
 * SS Halo (🇬🇧 United Kingdom): World War II: The cargo ship struck a mine and sank in the River Thames at Beckton, London with the loss of four crew. She was later refloated and beached at the Royal Arsenal, Woolwich.
 * SS London II (🇬🇧 United Kingdom): World War II: The cargo ship was bombed and damaged in the Bristol Channel (51.38333°N, -4.5°W) by Luftwaffe aircraft with the loss of four crew. She sank 6 nmi south of Mumbles Head, Glamorgan.
 * SS Jhelum (🇬🇧 United Kingdom): World War II: Convoy SL 68: The cargo ship was torpedoed and sunk in the Atlantic Ocean (approximately 21°N, -25°W) by GS U-105 (1940) with the loss of eight of her 57 crew. The survivors landed in French West Africa and were taken as prisoners of war by Vichy French authorities.
 * SS Millisle (🇬🇧 United Kingdom): World War II: The coaster was bombed and sunk in the Bristol Channel by Luftwaffe aircraft with the loss of ten crew.

22 March

 * MV Agnita (🇬🇧 United Kingdom): World War II: The tanker was torpedoed and sunk in the Atlantic Ocean (2.5°N, -25°W) by GERMAN AUXILIARY CRUISER Kormoran . All crew were taken as prisoners of war.
 * MV Solheim (1933) (🇳🇴 Norway): World War II:Convoy AS 21: The cargo ship was bombed and damaged in the Mediterranean Sea (34.5°N, 24.16667°W) by Luftwaffe aircraft. She was abandoned with the intention of salvage, but sank the next day. All 32 crew were rescued by a Royal Hellenic Navy destroyer and a Greek tug.
 * SS St Fintan (🇬🇧 United Kingdom): World War II: The coaster was bombed and sunk in the Irish Sea 7 nmi north north west of the Smalls Lighthouse with the loss of all nine crew.
 * SS Vestlkyst I (🇳🇴 Norway): World War II: The coaster was bombed and damaged off Skadberg, Rogaland and was beached. She was attacked again on 24 July by Royal Air Force aircraft and partly sank. Later refloated, repaired and returned to service in autumn 1942.

23 March

 * SS Carnia (1922) ( undefined): World War II: The cargo ship was torpedoed and sunk in the Mediterranean Sea 30 nmi north east of Brindisi by GREEK SUBMARINE Triton.
 * MV Chama (🇬🇧 United Kingdom): World War II: Convoy OG 56: The tanker straggled behind the convoy. She was torpedoed and sunk in the Atlantic Ocean west south west of the Fastnet Rock (49.58333°N, -19.21667°W) by GS U-97 (1940) with the loss of all 59 crew.
 * Elmira (🇬🇧 United Kingdom): The trawler was bombed and sunk in the Bristol Channel (59.91667°N, -3.66667°W) with the loss of ten of her eleven crew.
 * GS U-551 : World War II: The Type VIIC submarine was depth charged and sunk in the Atlantic Ocean south of Iceland (62.61667°N, -16.78333°W) by HMT Visona with the loss of all 45 crew.

24 March

 * SS Agnete Maersk (🇬🇧 United Kingdom): World War II: The cargo ship was torpedoed and sunk in the Atlantic Ocean (49°N, -22.91667°W) by ITALIAN SUBMARINE Veniero.
 * SS Eastlea (🇬🇧 United Kingdom): World War II: The cargo ship was torpedoed and sunk in the Atlantic Ocean by GS U-48 (1939) with the loss of all 37 crew.
 * SS Hørda (1920) (🇳🇴 Norway): World War II: Convoy OG 56: The cargo ship was torpedoed and sunk in the Atlantic Ocean (approximately 49°N, -23°W) by GS U-95 (1940) with the loss of all 30 crew.
 * SS Nuraghe ( undefined): The coaster sank in the Adriatic Sea off Capo Pali, Vlorë, Albania.
 * SS Oder (1927) (🇩🇪 Germany): World War II: The cargo ship was intercepted in the Red Sea by HMS Shoreham (L32) and was scuttled by her crew.
 * HMY Wilna : World War II: The yacht was bombed and sunk in The Solent by Luftwaffe aircraft. All crew were rescued.

25 March

 * Alaskan (🇬🇧 United Kingdom): World War II: The trawler struck a mine and sank in the Bristol Channel (54.81667°N, -1.11667°W). All five crew were rescued.
 * SS Beaverbrae (🇬🇧 United Kingdom): World War II: The cargo ship was bombed and sunk in the Atlantic Ocean (60.2°N, -9°W). All 86 crew were rescued by HMS Gurkha (G63) and HMS Tartar (F43) (both ).
 * SS Britannia (1926) (🇬🇧 United Kingdom): World War II: The ocean liner was shelled and sunk in the Atlantic Ocean off the coast of Brazil (7.4°N, -24.05°W) by GERMAN AUXILIARY CRUISER Thor with the loss of 249 of the 484 people on board. Survivors were rescued by SS Bachi, SS Cabo de Hornos (both 🇪🇸 Spain) and SS Raranga (🇬🇧 United Kingdom).
 * SS Cities Service Denver (🇺🇸 United States): The tanker caught fire, exploded and sank in the Atlantic Ocean off the coast of North Carolina.
 * MV Escaut (🇳🇱 Netherlands): World War II: The coaster was bombed and damaged in the Bristol Channel 24 nmi south west of Hartland Point, Devon and was abandoned. She came ashore at Bude, Cornwall. Refloated on 7 September and taken to Appledore, Devon.
 * SS Rossmore (🇬🇧 United Kingdom): World War II: The coaster was bombed and sunk in the Bristol Channel 12 nmi north east of Godrevy Island, Cornwall by Luftwaffe aircraft with the loss of six crew.
 * MV Trolleholm (🇸🇪 Sweden): World War II: The cargo ship was attacked in the Atlantic Ocean by GERMAN AUXILIARY CRUISER Thor and was scuttled. All crew were taken as prisoners of war.
 * SS Waimarama (🇬🇧 United Kingdom): The troopship ran aground in the Mediterranean Sea on a voyage from Port Said to Alexandria, Egypt and was severely damaged. She was later repaired and returned to service.

26 March

 * SS Adige (🇬🇧 United Kingdom): World War II: The cargo ship was bombed and damaged at Malta by Luftwaffe aircraft. She was beached at Malzara Creek, later repaired and returned to service.
 * Beinisvor (🇫🇴 Faroe Islands): World War II: The trawler was bombed and sunk in the Atlantic Ocean (61.66667°N, -4.61667°W) by Luftwaffe aircraft.
 * SS Brier Rose (🇬🇧 United Kingdom): The coaster sank in the Irish Sea.
 * SS Caroline Thordén (🇫🇮 Finland): World War II: The ship was bombed and damaged at Thorshavn, Faroe Islands by Heinkel He 115 aircraft of KFlGr 706, Luftwaffe. She ran aground at 60.18333°N, -7°W and was abandoned. One passenger was killed and eight were rescued by MV Venezuela (1939) (🇸🇪 Sweden). Carolina Thorden was later refloated and ultimately sunk as a blockship at Scapa Flow, Orkney Islands, United Kingdom.
 * SS Empire Mermaid (🇬🇧 United Kingdom): World War II: The cargo ship was bombed and damaged in the Atlantic Ocean (100 nmi west of the Hebrides by Luftwaffe aircraft. She sank on 28 March at 57.55°N, -12.71667°W.
 * CS Faraday (🇬🇧 United Kingdom): World War II: The cable layer was bombed and damaged in the Bristol Channel 3 nmi off St Ann's Head, Pembrokeshire by Luftwaffe aircraft. She sank the next day off Dale with the loss of eight crew.
 * SS Helena (1920) ( undefined): World War II: The coaster struck a mine and sank in the Mediterranean Sea off Palermo, Sicily.
 * Millimumul (🇦🇺 Australia): World War II: The trawler struck a mine and sank off Newcastle, New South Wales (33.56667°N, 151.93333°W) with the loss of seven crew.
 * SS Knoll (🇳🇴 Norway): World War II: The cargo ship was bombed and damaged in the Bristol Channel 8 nmi west of Lundy Island, Devon. She was beached on Lundy Island. Refloated on 29 March and escorted to Swansea, Glamorgan.
 * HMCS Otter : The naval yacht caught fire and sank off Halifax, Nova Scotia with the loss of nineteen of her 41 crew. Survivors were rescued by HMS Talisman (N78) and SS Wisla (🇵🇱 Poland).
 * Pericles (🇳🇴 Norway): World War II: Raid on Souda Bay: The tanker was damaged in Suda Bay, Crete, Greece by Italian torpedo boats. Her cargo was salvaged. On 14 April, she broke in two in a storm in the Mediterranean Sea 30 nmi north of Alexandria, Egypt due to the damage sustained in the raid. Both sections were shelled and sunk.
 * SS Somali (🇬🇧 United Kingdom): World War II: The cargo ship was bombed and damaged in the North Sea off Blyth, Northumberland. She sank the next day off Snoop Head, Sutherland with the loss of one crew member.
 * MV Ticino ( undefined): World War II: The tanker was torpedoed and sunk in the Mediterranean Sea north of Trapani, Sicily (38.1°N, 12.51667°W) by HMS Rorqual (N74).
 * SS Verde ( undefined): World War II: The cargo ship struck a mine and sank in the Mediterranean Sea west of Sicily.
 * HMS York (90) : World War II: Raid on Souda Bay: The York-class cruiser was damaged in the raid. She was subsequently beached to prevent her sinking. On 22 May she was scuttled by Allied forces to prevent capture by German forces. Salvaged in February 1952 and scrapped at Bari, Apulia, Italy.

27 March
For the constructive total loss of the South African tanker Tafelburg'' on this day see the entry for 28 January 1941
 * SS Koranton (🇬🇧 United Kingdom): World War II: Convoy SC 25: The cargo ship straggled behind the convoy. She was torpedoed and sunk in the Atlantic Ocean (58.85°N, -22.6°W) by GS U-98 (1940) with the loss of all 41 crew.
 * SS Meg Merillies (🇬🇧 United Kingdom): World War II: The coaster was bombed and damaged in the Bristol Channel 1 nmi south of the St Govan's Lightship (🇬🇧 United Kingdom) by Luftwaffe aircraft. She was taken in tow but sank after the towline parted.
 * SS Palmstone (🇬🇧 United Kingdom): World War II: The salvage vessel was bombed and damaged in the Bristol Channel 2 nmi south east of the St Govan's Lightship (🇬🇧 United Kingdom) by Luftwaffe aircraft. She was beached at Milford Haven, Pembrokeshire, later refloated and taken to Pembroke.

28 March

 * MV Antwerpen (1927) (🇳🇱 Netherlands): World War II: The coaster was bombed and sunk in the Bristol Channel (51.26667°N, -4.35°W) by Luftwaffe aircraft with the loss of three crew.
 * SS Borgund (🇳🇴 Norway): World War II: The cargo ship disappeared after departing Reykjavik, Iceland, on 25 March with a cargo of fish for Scrabster, Scotland. Probably sunk by aircraft on this date. All 13 on board lost.
 * ITALIAN CRUISER Fiume : World War II: Battle of Cape Matapan: The Zara-class cruiser was shelled and sunk in the Mediterranean Sea (35.35°N, 20.95°W)   by Battleships HMS Barham, Valiant and HMS Warspite (03) (all ).
 * ITALIAN TORPEDO BOAT Generale Antonio Chinotto : World War II: The torpedo boat struck a mine and sank in the Mediterranean Sea west of Sicily.
 * ITALIAN DESTROYER Giosue Carducci : World War II: Battle of Cape Matapan: The Oriani-class destroyer was shelled and damaged in the Mediterranean Sea by Battleships HMS Barham, Valiant and HMS Warspite (03)  (all ), scuttled by her crew.
 * SS Heraklea (🇩🇪 Germany): World War II: The cargo ship was torpedoed and sunk in the Mediterranean Sea off the Kerkennah Islands, Tunisia by HMS Utmost (N19).
 * Kestrel (🇬🇧 United Kingdom): World War II: The fishing vessel was bombed and damaged in the Bristol Channel north of Lundy Island, Devon by Luftwaffe aircraft. She was beached on Lundy Island the next day but was subsequently wrecked in a storm.
 * SS Olivine (🇬🇧 United Kingdom): World War II: The coaster sank in the Irish Sea or the Bristol Channel.
 * ITALIAN CRUISER Pola : World War II: Battle of Cape Matapan: The Zara-class cruiser was damaged by an aerial torpedo and scuttled in the Mediterranean Sea (35.25°N, 21°W) the next day by HMS Jervis (F00) . 328 crewmen lost. 1015 survivors rescued by R.N. Destroyers (including 258 by HMS Jervis (F00) ), another 110 by Greek Destroyers and another 161 by the Italian Hospital Ship Gradisca.
 * SS Staffordshire (🇬🇧 United Kingdom): World War II: The passenger ship was bombed and damaged in the Atlantic Ocean (59.5°N, -10.3°W) by Luftwaffe aircraft with the loss of 28 lives. She was beached in Loch Ewe on 29 March. Refloated on 23 April.
 * ITALIAN DESTROYER Vittorio Alfieri : World War II: Battle of Cape Matapan: The Oriani-class destroyer was shelled and sunk in the Mediterranean Sea by Battleships HMS Barham, HMS Warspite (03) and Valiant (all ).
 * ITALIAN CRUISER Zara : World War II: Battle of Cape Matapan: The Zara-class cruiser was shelled by Battleships HMS Barham, Valiant and HMS Warspite (03) (all ), torpedoed, shelled and sunk by HMAS Stuart (D00) :, HMS Havock, and HMS Jervis (F00) (both ) in the Mediterranean Sea (35.33333°N, 20.95°W).

29 March

 *  Emma (🇬🇧 United Kingdom): World War II: The Thames barge struck a mine and sank in the River Thames at Rotherhithe, London.
 * Exeter (🇬🇧 United Kingdom): World War II: The trawler was bombed and sunk in the Atlantic Ocean 5 nmi south west of Ballycotton, County Donegal, Ireland by Luftwaffe aircraft with the loss of all hands.
 * SS Germanic (1936) (🇬🇧 United Kingdom): World War II: Convoy HX 115: The cargo ship was torpedoed and sunk in the Atlantic Ocean (61.3°N, -22.08333°W) by GS U-48 (1939) with the loss of five of her 40 crew. Survivors were rescued by HMS Dianella (K77).
 * ITALIAN DESTROYER Giosué Carducci : World War II: Battle of Cape Matapan: The Oriani-class destroyer was sunk.
 * SS Hylton (🇬🇧 United Kingdom): World War II: Convoy HX 115: The cargo ship was torpedoed and sunk in the Atlantic Ocean (61.33333°N, -18.16667°W) by GS U-48 (1939) . All 44 crew were rescued by HMS Dianella (K77).
 * Kimberley (🇬🇧 United Kingdom): World War II: The trawler was bombed and sunk in the North Sea 22 nmi south east of Flamborough Head, Yorkshire by Luftwaffe aircraft. All crew were rescued.
 * SS Liguria (1914) (🇸🇪 Sweden): World War II: Convoy OG 56 / Convoy OB 322: The cargo ship was torpedoed and sunk in the Atlantic Ocean (approximately 60°N, -29°W) by GS U-46 (1939) with the loss of nineteen of her 29 crew.
 * MV Limbourg (🇧🇪 Belgium): World War II: Convoy HX 115: The cargo ship was torpedoed and sunk in the Atlantic Ocean (61.3°N, -22.08333°W) by GS U-48 (1939) with the loss of 22 of her 24 crew.
 * SS Oiltrader (🇬🇧 United Kingdom): World War II: The tanker was bombed and sunk in the North Sea (52.56667°N, 2.01667°W) by Luftwaffe aircraft. All crew were rescued.
 * ITALIAN CRUISER Pola : World War II: Battle of Cape Matapan: The Zara-class cruiser was sunk.
 * ITALIAN DESTROYER Vittorio Alfieri : World War II: Battle of Cape Matapan: The Oriani-class destroyer was sunk.
 * ITALIAN CRUISER Zara : World War II: Battle of Cape Matapan: The Zara-class cruiser was sunk.

30 March

 * MV Celebes (🇳🇱 Netherlands): The coaster departed from Liverpool, Lancashire, United Kingdom for Falmouth, Cornwall. No further trace, lost with all seven crew.
 * SS Coultarn (🇬🇧 United Kingdom): World War II: Convoy OB 302: The cargo ship was torpedoed and sunk in the Atlantic Ocean (60.3°N, -28.48333°W) by GS U-69 (1940) with the loss of three of her 42 crew. Survivors were rescued by HMS California
 * SS Laura Corrado ( undefined): World War II: The tanker was torpedoed, shelled and sunk in the Mediterranean Sea west of Cape Gallo, Sicily by HMS Rorqual (N74).
 * SS Umona (🇬🇧 United Kingdom): World War II: The passenger ship was torpedoed and sunk in the Atlantic Ocean 90 nmi south west of Freetown, Sierra Leone by GS U-124 (1940) with the loss of 102 of her 107 crew. Survivors were rescued by HMS Foxhound (H69).

31 March

 * HMS Bonaventure (31) : World War II: The Dido-class cruiser was torpedoed and sunk south of Crete by ITALIAN SUBMARINE Ambra with the loss of 139 of her 480 crew.
 * MV Castor (1928) (🇸🇪 Sweden): World War II: The tanker was torpedoed and damaged in the Atlantic Ocean (57.98333°N, -32.13333°W) by GS U-46 (1938) with the loss of fifteen of her 42 crew. She sank on 3 April.
 * SS Fella ( undefined): World War II: The cargo ship was scuttled at Puntarenas, Costa Rica.
 * SS Jole Fassio ( undefined): World War II: The tanker ship was scuttled at Puerto Cabello, Venezuela. She was later salvaged and entered American service as Alcibiades.
 * HMT Lord Selborne : World War II: The naval trawler struck a mine and sank at the mouth of the River Humber with the loss of seventeen crew.
 * Ontario (🇬🇧 United Kingdom): World War II: The trawler was bombed and sunk in the Atlantic Ocean (60.25°N, -11°W) by Luftwaffe aircraft. All crew were rescued.
 * ITALIAN SUBMARINE Pier Capponi : World War II: The Mameli-class submarine was torpedoed and sunk in the Mediterranean Sea south of Stromboli (38.7°N, 15.2°W) by HMS Rorqual (N74).
 * SS Trottiera ( undefined): World War II: The tanker ship was scuttled at Puerto Cabello.