List of shipwrecks in April 1941

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

1 April

 * SS Bertram Rickmers (🇩🇪 Germany): World War II: The cargo ship was intercepted in the Red Sea by HMS Kandahar (F28) and was scuttled off Gondurmiat.
 * SS Cerigo (1922) (🇩🇪 Germany): World War II: The cargo ship was scuttled at Guayaquil, Ecuador. Later salvaged and entered Ecuadorian service as 24 de Mayo.
 * SS Eisenbach (🇩🇪 Germany): World War II: The cargo ship was scuttled at Punta Arenas, Chile.
 * SS Friesland (1925) (🇩🇪 Germany): World War II: The cargo ship was scuttled at Paita, Peru.
 * ITALIAN CRUISER Giovanni delle Bande Nere : World War II: The cruiser was torpedoed and sunk in the Mediterranean Sea 11 nmi north of Stromboli by HMS Urge with the loss of 287 of her 720 crew.
 * SS Hermonthis (🇩🇪 Germany): World War II: The passenger ship was intercepted in the South Atlantic (-12.21667°N, -80.16667°W) by HMCS Prince Henry (F70) and was scuttled by her crew.
 * MV Hidlefjord (1928) (🇳🇴 Norway): World War II: Convoy HX 114: The tanker was bombed and sunk in the Irish Sea 20 nmi north west of the Smalls Lighthouse by Luftwaffe aircraft with the loss of 29 of her 34 crew.
 * MV Leipzig (1938) (🇩🇪 Germany): World War II: The passenger ship was scuttled at Callao, Peru.
 * ITALIAN DESTROYER Leone : World War II: The ran aground off Massawa, Italian Somaliland and was shelled and sunk by ITALIAN DESTROYER Pantera and ITALIAN DESTROYER Tigre (both ).
 * SS Lidingo (🇸🇪 Sweden): World War II: The cargo ship struck a mine and was damaged in the Baltic Sea west of Falsterbo, Skåne. She was beached, but later refloated and towed to Malmö.
 * SS Monserrate (🇩🇪 Germany): World War II: The passenger ship was scuttled at Callao, Peru.
 * MV München (1936) (🇩🇪 Germany): World War II: The passenger ship was intercepted in the South Atlantic (-11.3°N, -79.15°W) by HMCS Prince Henry (F70) and was scuttled by her crew.
 * SS San Corado (🇬🇧 United Kingdom): World War II: Convoy HX 114: The tanker was bombed, machine gunned and damaged in the Irish Sea (13 nmi north west of the Smalls Lighthouse by aircraft of KG27, Luftwaffe. She was abandoned and later reboarded and taken in tow; but was bombed again and abandoned for a second time. San Corado sank the next day 12 nmi south of the Tuskar Rock.
 * MV Storsten (🇳🇴 Norway): World War II: The tanker was bombed and shelled in the Kattegat off Gothenburg, Sweden. She was scuttled to prevent capture by the Kriegsmarine. Seventeen crew were lost.

2 April

 * SS Beaverdale (🇬🇧 United Kingdom): World War II: Convoy SC 26: The cargo ship was torpedoed and sunk in the Atlantic Ocean (60.83333°N, -29.31667°W) by GS U-46 (1938) with the loss of 22 of her 79 crew. Some of the survivors were rescued by the trawler Gulltoppur (Light Blue Flag of Iceland.svg Iceland), others reached land in their lifeboat.
 * MV British Reliance (🇬🇧 United Kingdom): World War II: Convoy SC 26: The tanker was torpedoed and sunk in the Atlantic Ocean (58.41667°N, -28.35°W) by GS U-46 (1938) . All 50 people on board were rescued by SS Tennessee (1921) (🇬🇧 United Kingdom).
 * SS Coombe Dingle (🇬🇧 United Kingdom): The coaster ran aground at Carnalea, County Down and was wrecked.
 * SS Coulouras Xenos (🇬🇷 Greece): World War II: Convoy AS 23: The cargo ship was bombed and sunk in the Mediterranean Sea off Gavdos, Greece by Luftwaffe aircraft.
 * HMT Cramond Island : The naval trawler was bombed and sunk in the North Sea 5 mi off St Abb's Head Northumberland by Luftwaffe aircraft with the loss of five crew.
 * SS Fermain (🇬🇧 United Kingdom) The coaster was bombed and sunk in the North Sea (50.58333°N, 0.86667°W) by Luftwaffe aircraft. All crew were rescued.
 * HMT Fortuna : The naval trawler was bombed and sunk in the North Sea 5 mi off St Abb's Head Northumberland by Luftwaffe aircraft with the loss of all fifteen crew.
 * SS Giuseppe Mazzini (1926) ( undefined): World War II: The cargo ship was bombed and sunk off Dalac Island by Royal Air Force aircraft. She was later salvaged by the British and scrapped.
 * SS Homefield (🇬🇧 United Kingdom): World War II: Convoy AS 23: The cargo ship was bombed and damaged in the Mediterranean Sea off Gavdos by Luftwaffe aircraft. She was scuttled by HMS Nubian (F36). Survivors were rescued by HMS Voyager (both ).
 * SS Karadjordje ( undefined): World War II: The cargo ship struck a mine in the Adriatic Sea off Šibenik and sank. All crew were rescued.
 * SS Melrose Abbey (🇬🇧 United Kingdom): World War II: The cargo ship struck a mine and sank in the River Ythan, Aberdeenshire. She was refloated on 26 July and towed to Aberdeen.
 * SS Nestos (🇬🇷 Greece): The cargo ship ran aground in Liverpool Bay, United Kingdom and was wrecked.
 * SS Prestolonasledik Star ( undefined): World War II: The cargo ship struck a mine in the Adriatic Sea off Šibenik and sank. All crew were rescued.
 * MV Thorn (🇩🇪 Germany): World War II: The tanker was torpedoed, shelled and damaged in the Mediterranean Sea 25 nmi west of the mouth of the Loire, France. She sank the next day.
 * SS Urania (1914) ( undefined): World War II: The cargo ship was bombed and sunk off Dalac Island by Royal Air Force aircraft. She was raised and scrapped in 1949.
 * SS Wild Rose (🇬🇧 United Kingdom): The coastal tanker was bombed and damaged in the Irish Sea 12 nmi south east of the Tuskar Rock, Ireland. She was beached at Rosslare Harbour, County Wexford. Later refloated and taken to Dublin.

3 April
For the sinking of the Swedish tanker MV Castor on this day, see the entry for 31 March 1941.
 * SS Alderpool (🇬🇧 United Kingdom): World War II: Convoy SC 26: The cargo ship was torpoed and damaged in the Atlantic Ocean (58.35°N, -27.98333°W) by GS U-46 (1938) . All 39 crew abandoned ship and were rescued by SS Thirlby (🇬🇧 United Kingdom). Alderpool was then torpedoed and sunk by GS U-73 (1940).
 * SS Assuan (🇬🇧 United Kingdom): World War II: The coaster was bombed and damaged in the North Sea (56.7°N, -2.43333°W) and was beached 2 nmi east of Scurdie Ness, Angus. She was refloated the next day and taken to Montrose.
 * Bahram : World War II: The river patrol boat struck a mine and sank off Spurn Point, Yorkshire with the loss of eight of her nine crew.
 * SS British Viscount (🇬🇧 United Kingdom): World War II: Convoy SC 26: The tanker was torpedoed and sunk in the Atlantic Ocean (58.3°N, -27.83333°W) by GS U-73 (1940) with the loss of 28 of her 48 crew. Survivors were rescued by HMS Havelock (H88).
 * MV Cairnie (🇬🇧 United Kingdom): World War II: The coaster was bombed and sunk in the North Sea some 7 nmi south by west of Tod Head by Luftwaffe aircraft. All crew were rescued.
 * ITALIAN DESTROYER Cesare Battisti : World War II: The suffered an engine breakdown in the Red Sea and was scuttled by ITALIAN DESTROYER Daniele Manin, ITALIAN DESTROYER Nasari Sauro, ITALIAN DESTROYER Pantera and ITALIAN DESTROYER Tigre (all ).
 * ITALIAN DESTROYER Daniele Manin : World War II: The was bombed and sunk in the Red Sea 10 nmi off Port Sudan by Fleet Air Arm aircraft.
 * SS Daphne (1920) (🇫🇮 Finland): World War II: Convoy SC 26: The cargo ship was torpedoed and sunk in the Atlantic Ocean (approximately 60°N, -20°W) by GS U-69 (1940) (.
 * SS Greenawn (🇬🇧 United Kingdom): The coaster sank in the North Sea off Montrose, Angus.
 * SS Helle (1917) (🇳🇴 Norway): World War II: Convoy SC 26: The cargo ship was torpedoed and sunk in the Atlantic Ocean (59°N, -24.5°W) by GS U-98 (1940) . All 24 crew were rescued by HMS Havelock (H88).
 * SS Indier (🇧🇪 Belgium): World War II: Convoy SC 26: The cargo ship was torpedoed and sunk in the Atlantic Ocean (58.2°N, -27.66667°W) by GS U-74 (1940) ( with the loss of 42 of her 46 crew.
 * SS Leonidas Z Cambanis (🇬🇷 Greece): World War II: Convoy SC 26: The cargo ship was torpedoed and sunk in the Atlantic Ocean (58.2°N, -27.66667°W) by GS U-74 (1940) ( with the loss of two crew of her 29 crew.
 * ITALIAN DESTROYER Nasario Sauro : World War II: The was bombed and sunk in the Red Sea 10 nmi off Port Sudan by Fleet Air Arm aircraft.
 * MV Northern Prince (🇬🇧 United Kingdom): World War II: Convoy ANF 24: The munitions ship was bombed and sunk in the Mediterranean Sea off Kythera, Greece (35.56667°N, 23.38333°W) by Luftwaffe aircraft. All crew were rescued.
 * ITALIAN DESTROYER Pantera : World War II: The was bombed and damaged in the Red Sea 10 nmi off Port Sudan by Fleet Air Arm aircraft. She was shelled and sunk by HMS Kingston (F64)
 * SS Thorn (🇩🇪 Germany): World War II: The tanker was torpedoed and sunk in the Bay of Biscay 100 nmi south west of Saint-Nazaire, Loire-Atlantique by HMS Tigris (N63).
 * ITALIAN DESTROYER Tigre : World War II: The was bombed and damaged in the Red Sea 10 nmi off Port Sudan by Fleet Air Arm aaircraft. She was shelled and sunk by HMS Kingston (F64)
 * SS Urania (1914) (🇮🇹 Italy): World War II: The cargo ship was bombed by aircraft and scuttled in the Red Sea off Dahlak Kebir, Eritrea (40.00317°N, 10.65867°W) to prevent capture by the British. Wreck raised and scrapped in 1949.
 * SS Westpool (🇬🇧 United Kingdom): World War II: Convoy SC 26: The cargo ship was torpedoed and sunk in the Atlantic Ocean (58.2°N, -27.66667°W) by GS U-73 (1940) ( with the loss of 35 of her 43 crew. Survivors were rescued by HMS Havelock (H88).

4 April

 * SS Adua ( undefined): World War II: The cargo ship was scuttled at Massawa, Italian Somaliland.
 * SS Arabia (1926) ( undefined): World War II: The cargo ship was scuttled at Massawa.
 * SS Athenic (1937) (🇬🇧 United Kingdom): World War II: Convoy SC 26: The cargo ship straggled behind the convoy. She was torpedoed and damaged in the Atlantic Ocean (58.53333°N, -20.21667°W) by GS U-73 (1940). All 40 crew were rescued by HMS Arbutus (K86) and she sank the next day.
 * SS Brenta ( undefined): World War II: The cargo ship was scuttled at Massawa.
 * HMS Buffalo : World War II: The struck a mine and sank off Singapore with the loss of 32 of her 46 crew.
 * FRENCH SLOOP Conquerant : World War II: The sloop was bombed and sunk in the English Channel off Falmouth, Cornwall, United Kingdom by Luftwaffe aircraft.
 * MV Conus (🇬🇧 United Kingdom): World War II: The tanker was torpedoed and sunk in the Atlantic Ocean (56.23333°N, -31.31667°W) by GS U-97 (1940) ( with the loss of all 59 crew.
 * SS Crefeld (🇩🇪 Germany): World War II: The cargo ship was scuttled at Massawa.
 * SS Frauenfels (🇩🇪 Germany): World War II: The cargo ship was scuttled at Massawa. She was later salvaged by the British, repaired and entered service as ''Empire Niger.
 * SS Gerta (🇩🇪 Germany): World War II: The cargo ship was scuttled at Massawa. She was later salvaged by the British, repaired and entered service as ''Empire Indus.
 * ITALIAN DESTROYER Giovanni Acerbi : World War II: The was sunk at Massawa.
 * SS Harbledown (🇬🇧 United Kingdom): World War II: Convoy SC 26: The cargo ship was torpedoed and sunk in the Atlantic Ocean (58.4°N, -23.33333°W) by GS U-94 (1940) ( with the loss of sixteen of her 41 crew. Survivors were rescued by HMS Veteran (D72).
 * SS Helle (🇳🇴 Norway): World War II: Convoy SC 26: The cargo ship was torpedoed and sunk in the Atlantic Ocean (59.1°N, -24.2°W) by GS U-97 (1940) . All 24 crew were rescued by HMS Havelock (H88).
 * SS Imperio ( undefined): World War II: The cargo ship was scuttled at Massawa. She was later salvaged.
 * SS Lichtenfels (1929) (🇩🇪 Germany): World War II: The cargo ship was scuttled at Massawa. Wreck scrapped in 1950.
 * SS Liebenfels (🇩🇪 Germany): World War II: The cargo ship was scuttled at Massawa. She was later salvaged by the British, repaired and entered service as ''Empire Nile.
 * SS Marlene (🇬🇧 United Kingdom): World War II: The cargo ship was torpedoed, shelled and sunk in the Atlantic Ocean (8.25°N, -14.31667°W) by GS U-124 (1940) with the loss of thirteen of her 60 crew.
 * SS Olva (🇩🇪 Germany): World War II: The cargo ship was scuttled at Massawa.
 * GREEK TORPEDO BOAT Proussa : World War II: The torpedo boat was bombed and sunk at Corfu by Luftwaffe aircraft.
 * SS Romolo Gessi ( undefined): World War II: The cargo ship was scuttled at Massawa.
 * SS Salvus (🇬🇧 United Kingdom): World War II: The cargo ship was bombed and sunk in the North Sea (53.08333°N, 1.45°W) by Luftwaffe aircraft with the loss of four crew.
 * FRENCH SLOOP Suippe : World War II: The sloop was bombed and sunk in the English Channel off Falmouth by Luftwaffe aircraft.
 * SS Sussanna (🇬🇷 Greece): World War II: The coaster was bombed and sunk at Corfu by Luftwaffe aircraft.
 * SS Vesuvio (1914) ( undefined): World War II: The cargo ship was scuttled at Massawa. Wreck raised in April 1953 and scrapped in Italy.
 * HMS Voltaire : World War II: Action of 4 April 1941: The armed merchant cruiser was shelled and sunk in the Atlantic Ocean (14.5°N, -40.5°W) by GERMAN AUXILIARY CRUISER Thor with the loss of 74 of her 269 crew. Survivors were rescued by Thor and made prisoners of war.
 * SS Welcombe (🇬🇧 United Kingdom): World War II: Convoy SC 26: The cargo ship was torpedoed and sunk in the Atlantic Ocean (59°N, -24.5°W) by GS U-98 (1940) ( with the loss of twenty of her 41 crew. Survivors were rescued by HMS Havelock (H88).
 * Whitby (🇬🇧 United Kingdom): The trawler was bombed and sunk 3 nmi south south east of the Blackwater Lightship by Luftwaffe aircraft. All crew were rescued.
 * SS XXIII Marzo ( undefined): World War II: The cargo ship was scuttled at Massawa.

5 April

 * SS Ena de Larrinaga (🇬🇧 United Kingdom): World War II: The cargo ship was torpedoed and sunk in the Atlantic Ocean (1.16667°N, -26°W) by GS U-105 (1940) with the loss of five of her 43 crew. Survivors were rescued by SS Almirante Alexandrio (🇧🇷 Brazil).
 * SS Rattray Head (🇬🇧 United Kingdom): World War II: The coaster was bombed and sunk in the North Sea 8 nmi east north east of Aberdeen by Luftwaffe aircraft with the loss of three crew.
 * SS St Clement (🇬🇧 United Kingdom): World War II: The coaster was bombed and sunk in the North Sea (57.16667°N, -1.83333°W) by Luftwaffe aircraft.
 * GS U-76 (1940) : World War II: The Type VIIB submarine was depth charged and sunk in the Atlantic Ocean south of Iceland (58.53333°N, -20.25°W) by HMS Arbutus (K86), HMS Scarborough (L25) and HMS Wolverine (D78) (all ) with the loss of one of her 43 crew. The survivors were taken as prisoners of war.

6 April

 * SS Antonia C. ( undefined): World War II: The cargo ship was scuttled at Massawa, Italian Somaliland. She was later salvaged.
 * SS Captiano Bottego ( undefined): World War II: The cargo ship was scuttled off Dulac Island. She was later salvaged.
 * SS Clan Fraser (1938) (🇬🇧 United Kingdom): World War II: Battle of Greece: The Cameron-class cargo ship was bombed and set of fire at Piraeus, Greece by Luftwaffe aircraft. She exploded and sank the next day with the loss of six crew.
 * HMS Comorin : The armed merchant cruiser caught fire in the Atlantic Ocean (54.56667°N, -21.33333°W) with the loss of fourteen of her 419 crew. The survivors were rescued by HMS Broke (D83), HMS Lincoln (G42) (both ) and SS Glenartney (🇬🇧 United Kingdom). Comorin was scuttled by HMS Broke.
 * Daneland (🇬🇧 United Kingdom): World War II: The trawler was bombed and sunk in the Irish Sea off Rathlin Island, County Antrim by Luftwaffe aircraft. All crew were rescued.
 * SS Dunstan (🇬🇧 United Kingdom): World War II: The cargo ship was bombed and sunk in the Atlantic Ocean (59.15°N, -8.36667°W) by Luftwaffe aircraft with the loss of two crew. The survivors were rescued by HMS Boadicea (H65).
 * GREEK AUXILIARY SHIP Georgios : World War II: Battle of Greece: The naval auxiliary ship was bombed and sunk at Piraeus by Luftwaffe aircraft.
 * Lincoln Ellsworth (🇳🇴 Norway): World War II: The tanker was torpedoed and sunk in the Atlantic Ocean (62.61667°N, -27.1°W) by GS U-94 (1940) . All 29 crew were rescued by HMS Derbyshire (N90) and HMT Skyrock (both ).
 * SS Lysefjord I (🇳🇴 Norway): The coaster ran aground in Årdalsfjord and sank. All on board survived.
 * Næraberg (🇫🇴 Faroe Islands): World War II: The trawler was bombed and sunk in the Atlantic Ocean (60.5°N, -5.5°W) by Luftwaffe aircraft.
 * SS Nazario Sauro ( undefined): World War II: The cargo ship was scuttled off Dulac Island. She was later salvaged.
 * SS Nicolaou Zografia (🇬🇷 Greece): World War II: The cargo ship was bombed and sunk in the Atlantic Ocean (57.16667°N, -12.5°W) by Luftwaffe aircraft. All 31 crew were rescued by HMS Eskimo (F75).
 * SS Olga S (🇬🇧 United Kingdom): World War II: The cargo ship was bombed and sunk in the Atlantic Ocean (55.8°N, -9.75°W) by Luftwaffe aircraft with the loss of four of her 33 crew. Survivors were rescued by HMS Chelsea.
 * SS Riva Ligure ( undefined): World War II: The cargo ship was scuttled at Massawa. She was later salvaged.
 * HMY Surf : World War II: Battle of Greece: The naval yacht was bombed and sunk at Piraeus by Luftwaffe aircraft.
 * HMY Torrent : World War II: The naval yacht struck a mine and sank in the English Channel off Falmouth, Cornwall (50.08333°N, -4.95°W) with the loss of over three crew.
 * SS Tripolitania ( undefined): World War II: The cargo ship was scuttled off Dulac Island. She was later salvaged.
 * SS Viking (1904) (🇬🇧 United Kingdom): World War II: Battle of Greece: The salvage vessel was bombed and sunk at Piraeus by Luftwaffe aircraft.

7 April

 * SS Acropolis (🇬🇷 Greece): World War II: Battle of Greece: The cargo ship was sunk at Piraeus by Luftwaffe bombing or the explosion of SS Clan Fraser (1938) (🇬🇧 United Kingdom).
 * SS City of Roubaix (🇬🇧 United Kingdom): World War II: Battle of Greece: The cargo ship was sunk at Piraeus by Luftwaffe bombing or the explosion of SS Clan Fraser (1938) (🇬🇧 United Kingdom).
 * SS Cyprian Prince (🇬🇧 United Kingdom): World War II: Battle of Greece: The cargo ship was damaged at Piraeus by Luftwaffe bombing and was beached at Salamis Island with the loss of four crew.
 * Elisabeth (🇬🇧 United Kingdom): World War II: The coaster struck a mine and sank in the English Channel 5 nmi east north east of Portscatho, Cornwall with the loss of ten crew.
 * ST Elpis (🇬🇷 Greece): World War II: Battle of Greece: The tug was sunk at Piraeus by the explosion of SS Clan Fraser (1938) (🇬🇧 United Kingdom).
 * SS Evoikos (🇬🇷 Greece): World War II: Battle of Greece: The cargo ship was sunk at Piraeus by Luftwaffe bombing or the explosion of SS Clan Fraser (1938) (🇬🇧 United Kingdom).
 * Halcyon (🇬🇷 Greece): World War II: Battle of Greece: The caïque was sunk at Piraeus by Luftwaffe bombing or the explosion of SS Clan Fraser (1938) (🇬🇧 United Kingdom).
 * SS Kyrapanagia II (🇬🇷 Greece): World War II: Battle of Greece: The cargo ship was bombed and sunk at Piraeus by Luftwaffe aircraft.
 * SS Patris (🇬🇧 United Kingdom): World War II: Battle of Greece: The cargo ship was sunk at Piraeus by Luftwaffe bombing or the explosion of SS Clan Fraser (1938) (🇬🇧 United Kingdom).
 * SS Petalli (🇬🇷 Greece): World War II: Battle of Greece: The cargo ship was set on fire at Piraeus by Luftwaffe bombing or the explosion of SS Clan Fraser (1938) (🇬🇧 United Kingdom). She was towed out of port and scuttled.
 * SS Portadoc (🇬🇧 United Kingdom ): World War II: The cargo ship was torpedoed and sunk in the Atlantic Ocean (7.28333°N, -16.88333°W) by GS U-124 (1940) . All twenty crew reached French Guinea, where they were interned by Vichy French authorities.
 * HMT Rochebonne : World War II: The naval trawler was bombed and sunk in the English Channel 8 nmi south south east of The Lizard, Cornwall by Luftwaffe aircraft with the loss of eleven crew.
 * SS Styliani (🇬🇷 Greece): World War II: Battle of Greece: The cargo ship was sunk at Piraeus by Luftwaffe bombing or the explosion of SS Clan Fraser (1938) (🇬🇧 United Kingdom).
 * Sylvia (🇬🇧 United Kingdom): World War II: The trawler was bombed and sunk in the Atlantic Ocean (61.45°N, -5.8°W) by Luftwaffe aircraft with the loss of one crew member.

8 April

 * SS Ahamo (🇬🇧 United Kingdom): World War II: The tanker struck a mine and sank in the North Sea (53.36667°N, 0.98333°W) with the loss of fourteen crew.
 * Ardita ( undefined): World War II: The boat was scuttled at Massawa, Italian Somaliland.
 * SS Clelia Campanella (1917) ( undefined): World War II: The tanker was scuttled at Massawa. She was later salvaged, repaired and entered British service as Empire Prize.
 * SS Colombo (1917) ( undefined): World War II: The passenger ship was scuttled at Massawa.
 * SS Eskdene (🇬🇧 United Kingdom): World War II: The cargo ship was torpedoed and sunk in the Atlantic Ocean (34.71667°N, -24.35°W) by GS U-107 (1940) . All 39 crew were rescued by SS Penhale (🇬🇧 United Kingdom).
 * ITALIAN TANKER Giove : World War II: The tanker was scuttled at Massawa. Later salvaged, repaired and entered British service as Empire Trophy.
 * SS Helena Margarita (🇬🇧 United Kingdom): World War II: The cargo ship was torpedoed and sunk in the Atlantic Ocean 330 nmi west of Madeira, Portugal (33°N, -23.86667°W) by GS U-107 (1940) with the loss of 27 of her 36 crew Survivors were rescued by RFA Carndale.
 * MAS 204, MAS 206, MAS 210, MAS 213 and MAS 216 (all ): World War II: The torpedo boats were scuttled at Massawa.
 * ITALIAN MINELAYER Ostia : The minelayer was bombed and sunk at Massawa by Royal Air Force aircraft.
 * SS Pirano ( undefined): World War II: The coaster was scuttled at Massawa. She was later salvaged.
 * SS Prometio ( undefined): World War II: The cargo ship was scuttled at Dulac Island. She was later salvaged.
 * SS San Giorgio (1899) ( undefined): World War II: The coaster was scuttled at Massawa.
 * Sole ( undefined): World War II: The boat was scuttled at Massawa.
 * Trieste ( undefined): World War II: The coaster was scuttled at Massawa.
 * SS Tweed (🇬🇧 United Kingdom): World War II: The cargo ship was torpedoed and sunk in the Atlantic Ocean (7.71667°N, -15.18333°W) by GS U-124 (1940) with the loss of three of her 28 crew.
 * ITALIAN DESTROYER Vincenzo Giordano Orsini : World War II: The was scuttled at Massawa.

9 April

 * Buesten (🇳🇴 Norway): World War II: The tanker was bombed and sunk in the English Channel 4 nmi south east of Berry Head, Devon by Luftwaffe aircraft with the loss of 28 crew.
 * SS Craftsman (🇬🇧 United Kingdom): World War II: The cargo ship was shelled and sunk in the Atlantic Ocean (0.53333°N, -23.61667°W) by GERMAN AUXILIARY CRUISER Kormoran with the loss of six of her 49 crew. The survivors were taken as prisoners of war.
 * HMT D'Arcy Cooper : World War II: The examination ship was bombed and sunk at Harwich, Essex by Luftwaffe aircraft with the loss of three crew.
 * SS Dudley Rose (🇬🇧 United Kingdom): World War II: The cargo ship was bombed and sunk in the English Channel 4 nmi south east of Berry Head by Luftwaffe aircraft. All crew were rescued.
 * MV Duffield (🇬🇧 United Kingdom): World War II: The tanker was torpedoed and sunk in the Atlantic Ocean (31.21667°N, -23.66667°W by GS U-107 (1940) with the loss of 25 of her 53 crew.
 * SS Harpathian (🇬🇧 United Kingdom): World War II: The cargo ship was torpedoed and sunk in the Atlantic Ocean (32.36667°N, -22.88333°W) by GS U-107 (1940) with the loss of four of her 43 crew.
 * John Pyemont (RNLI FLAG.png Royal National Lifeboat Institution): World War II: The lifeboat was bombed and sunk at Tynemouth, Northumberland by Luftwaffe aircraft.
 * SS Lunula (🇬🇧 United Kingdom) World War II: The tanker struck a mine and was damaged at Thameshaven, Essex. She was declared a constructive total loss.
 * HMT Marmion : World War II: The auxiliary minesweeper was bombed and sunk at Harwich by Luftwaffe aircraft. Refloated on 10 May and beached, subsequently scrapped at Tilbury.
 * SS Prins Willem II (🇳🇱 Netherlands): World War II: Convoy HX 117: The cargo ship straggled behind the convoy. She was torpedoed and sunk in the Atlantic Ocean (59.83333°N, -24.41667°W) by GS U-98 (1940) with the loss of three of her 25 crew. Survivors were rescued by SS Klipparen (🇸🇪 Sweden) and MV Tuscan Star (1930) (🇬🇧 United Kingdom).

10 April

 * Alert (🇬🇧 United Kingdom): World War II: The fireboat was bombed and damaged at Ipswich, Suffolk. Declared a constructive total loss.
 * Circeo ( undefined): World War II: The coaster was scuttled at Assab, Eritrea.
 * Dante ( undefined): World War II: The coaster was scuttled at Assab, Eritrea.
 * Greta (🇬🇧 United Kingdom): World War II: The fireboat was bombed and sunk at Ipswich. Declared a constructive total loss.
 * MS India (1925) ( undefined): World War II: The cargo ship was scuttled at Assab, Eritrea. She was later salvaged.
 * SS Piave (1919) ( undefined): World War II: The cargo ship was scuttled at Assab, Eritrea. She was later salvaged.
 * Queen (🇬🇧 United Kingdom): World War II: The fireboat was bombed and sunk at Ipswich. Refloated two days later.
 * SS Saleier (🇳🇱 Netherlands): World War II: The cargo ship was torpedoed and sunk in the Atlantic Ocean (58.06667°N, -30.8°W) by GS U-52 (1939) . All 63 crew were rescued by USS Niblack (DD-424).
 * SS Sannio (1920) ( undefined): World War II: The cargo ship was scuttled at Assab, Eritrea. She was raised in 1947 and scrapped in Genoa, Italy from November 1950.
 * Scillin ( undefined): World War II: The coaster was scuttled at Assab, Eritrea.
 * Sicilia II ( undefined): World War II: The coaster was scuttled at Assab, Eritrea.

11 April

 * SS Aegeon (🇬🇷 Greece): World War II: The cargo ship was torpedoed and sunk in the Atlantic Ocean (6.91667°N, -15.63333°W) by GS U-124 (1940) with the loss of four of her 31 crew.
 * SS Attiki (🇬🇷 Greece): World War II: The hospital ship was bombed and sunk at Piraeus by Luftwaffe aircraft with the loss of 23 of the 166 people on board.
 * SS Draco (🇬🇧 United Kingdom): World War II: The cargo ship was bombed and damaged at Tobruk, Libya by Luftwaffe aircraft and was beached with the loss of one crew member. She was bombed again on 21 April and was declared a total loss.
 * HMT Othello : World War II: The boom defence vessel struck a mine and sank in the Humber with the loss of eleven crew.
 * SS Retriever (🇬🇧 United Kingdom): World War II: The cable layer was bombed and sunk in the Mediterranean Sea off Phleva Island, Greece by Luftwaffe aircraft with the loss of eleven of her 46 crew.
 * HMT Yorkshire Belle : World War II: The boom tender struck a mine and sank in the Humber with the loss of four crew.

12 April

 * SS Arbel (🇧🇪 Belgium): World War II: The coaster was bombed and sunk by Luftwaffe aircraft near the Longships Lighthouse (50.1°N, -5.76667°W) with the loss of three crew.
 * Chicago (🇬🇧 United Kingdom): World War II: The grain elevator ship was bombed and sunk at Millwall Dock, London by Luftwaffe aircraft.
 * YUGOSLAV MONITOR Drava : World War II: Invasion of Yugoslavia: The monitor was bombed and sunk by German aircraft off Čib.
 * SS Kexholm (🇸🇪 Sweden): World War II: The cargo ship was bombed and sunk in the Atantic Ocean (59.83333°N, -8.36667°W) by Luftwaffe aircraft. All crew were rescued.
 * SS Marie Maersk (🇬🇧 United Kingdom): World War II: The tanker was bombed and sunk at Piraeus, Greece by Luftwaffe aircraft. She was later salvaged by the Italians, repaired and entered service at Luisa.
 * YUGOSLAV MONITOR Morava : World War II: Invasion of Yugoslavia: The monitor was scuttled to prevent capture.
 * SS Nicolaos D L (🇬🇷 Greece): World War II: The cargo ship was shelled and sunk in the Atlantic Ocean (-1.9°N, -22.2°W) by GERMAN AUXILIARY CRUISER Kormoran . All crew were rescued and made prisoners of war.
 * SS Persiano ( undefined): World War II: The tanker was torpedoed and sunk in the Mediterranean Sea 30 nmi north east of Tripoli, Libya (33.48333°N, 14.01667°W) by HMS Tetrarch (N77).
 * HMT Rypa : The naval trawler foundered in Loch Ewe during a storm.
 * YUGOSLAV MONITOR Sava : World War II: Invasion of Yugoslavia: The monitor was scuttled to prevent capture.
 * SS St Helena (🇬🇧 United Kingdom): World War II: The cargo ship was torpedoed and sunk in the Atlantic Ocean (7.83333°N, -14°W) by GS U-124 (1940) . All 41 crew were rescued by HMS Wishart (D67).
 * YUGOSLAV MONITOR Vardar : World War II: Invasion of Yugoslavia: The monitor was scuttled to prevent capture.

13 April

 * MV Brattdal (🇳🇴 Norway): World War II: The cargo ship was bombed and severely damaged at Volos, Greece by Luftwaffe aircraft with the loss of one of her 28 crew. She was bombed again on 17 April and sank.
 * SS City of Karachi (1927) (🇬🇧 United Kingdom): World War II: The cargo ship was bombed and damaged at Volos by Luftwaffe aircraft and was beached. She was bombed again two days later and declared a total loss.
 * SS Corinthic (1924): World War II: The cargo ship was torpedoed and sunk in the Atlantic Ocean (8.16667°N, -14.66667°W) by GS U-124 (1940) with the loss of two of her 41 crew. Survivors were rescued by SS Malvina (🇳🇱 Netherlands).
 * HMS Rajputana : World War II: The armed merchant cruiser was torpedoed and sunk in the Denmark Strait by GS U-108 (1940) with the loss of 42 of her 325 crew. Survivors were rescued by HMS Legion (G74)  and ORP Piorun.

14 April

 * SS Clan Cumming (1937) (🇬🇧 United Kingdom): World War II: The cargo ship struck a mine and sank in Eleusis Bay (37.81667°N, 28.63333°W).
 * FRENCH GUNBOAT Conquerante : World War II: The Valliante-class gunboat was bombed and sunk by German aircraft at Falmouth.
 * RFA Pericles : World War II: Convoy AS 25: The tanker broke in two and sank at 32.15°N, 29.66667°W. The crew were rescued by HMS Grimsby (U16) . She had earlier been damaged in the Battle of Souda Bay.
 * SS Trabzon (1919) (🇹🇷 Turkey): World War II: The cargo ship was bombed and sunk at Laurium, Greece by Luftwaffe aircraft.
 * SS Ville de Liège (🇧🇪 Belgium): World War II: The cargo ship was torpedoed and sunk in the Atlantic Ocean (59.83333°N, -29.5°W by GS U-52 (1939) ( with the loss of 40 of her 52 crew.

15 April

 * ST Aquila (🇬🇧 United Kingdom): World War II: The tug was bombed and sunk at Hull, Yorkshire by Luftwaffe aircraft.
 * SS Aurillac (🇬🇧 United Kingdom): World War II: The cargo ship was torpedoed and sunk in the Atlantic Ocean (37.15°N, -18.7°W) by ITALIAN SUBMARINE Tazzoli with the loss of one crew member.
 * SS Goalpara (🇬🇧 United Kingdom): World War II: the cargo ship was bombed and damaged in Eleusis Bay by Luftwaffe aircraft. She was beached, all crew were rescued.
 * SS Luciano (1913) ( undefined): World War II: The cargo ship was torpedoed and sunk at Vlorë, Albania by Fairey Swordfish aircraft of 815 Squadron, Fleet Air Arm.
 * SS Quiloa (🇬🇧 United Kingdom): World War II: the cargo ship was bombed and damaged in Eleusis Bay by Luftwaffe aircraft. She was beached, all crew were rescued.
 * SS Stampalia ( undefined): World War II: The cargo ship was torpedoed and sunk at Vlorë by Fairey Swordfish aircraft of 815 Squadron, Fleet Air Arm.

16 April

 * SS Adana (1922) (🇩🇪 Germany): World War II: Battle of the Tarigo Convoy: The cargo ship was shelled and sunk in the Mediterranean Sea by the 14th Destroyer Flotilla, Royal Navy.
 * SS Aegina (1922) (🇩🇪 Germany): World War II: Battle of the Tarigo Convoy: The cargo ship was shelled and sunk in the Mediterranean Sea off Libya by Royal Navy ships.
 * SS Amiens (1918) (🇬🇧 United Kingdom): World War II: The cargo ship was bombed and sunk in the Atlantic Ocean (50.41667°N, -5.58333°W) by Luftwaffe aircraft. All crew were rescued.
 * SS Anglesea Rose (🇬🇧 United Kingdom): World War II: The cargo ship was bombed and sunk in the Atlantic Ocean (50.41667°N, -5.58333°W) by Luftwaffe aircraft. All crew were rescued.
 * SS Arta (1921) (🇩🇪 Germany): World War II: Battle of the Tarigo Convoy: The cargo ship was shelled and beached in the Mediterranean sea off the Kerkennah Islands, Tunisia by the 14th Destroyer Flotilla, Royal Navy. She was torpedoed and sunk on 26 April by HMS Upholder (P37).
 * ITALIAN DESTROYER Baleno : World War II: Battle of the Tarigo Convoy: The was shelled and sunk in the Mediterranean sea by the 14th Destroyer Flotilla, Royal Navy.
 * SS Bolette (1920) 🇳🇴 Norway): World War II: The cargo ship was bombed and sunk in the Atlantic Ocean (50.41667°N, -5.58333°W) by Luftwaffe aircraft with the loss of eight crew.
 * SS Favorit (1919) (🇳🇴 Norway): World War II: The cargo ship was bombed and sunk in the Atlantic Ocean (60.1°N, -8.53333°W) by aircraft of KG 40, Luftwaffe. All crew were rescued.
 * SS Iserlohn (1922) (🇩🇪 Germany): World War II: Battle of the Tarigo Convoy: The cargo ship was shelled and sunk in the Mediterranean Sea off the Kerkennah Islands, Tunisia by HMS Jervis (F00), HMS Mohawk (F31) and HMS Nubian (F36) (all ).
 * King Athelstan (🇬🇧 United Kingdom): World War II: the trawler was bombed and damaged in the Atlantic Ocean off Ballinskelligs, County Kerry, Ireland and was beached. Later repaired and returned to service.
 * ITALIAN DESTROYER Lampo : World War II: Battle of the Tarigo Convoy: The was shelled and damaged in the Mediterranean sea by the 14th Destroyer Flotilla, Royal Navy. She ran aground in the action, but was subsequently repaired and returned to service.
 * ITALIAN DESTROYER Luca Tarigo : World War II: Battle of the Tarigo Convoy: The was shelled and sunk in the Mediterranean sea by the 14th Destroyer Flotilla, Royal Navy.
 * SS Memas (🇬🇷 Greece): World War II: The cargo ship was bombed and sunk at Chaklis by Luftwaffe aircraft.
 * HMS Mohawk (F31) : World War II: Battle of the Tarigo Convoy: The Tribal-class destroyer was torpedoed and sunk off the Kerkennah Islands, Tunisia, by ITALIAN DESTROYER Luca Tarigo with the loss of 43 of her 219 crew.
 * SS Parnu (🇬🇧 United Kingdom): The cargo ship collided with SS Fluor (🇬🇧 United Kingdom in the Atlantic Ocean 11 nmi off Cape Wrath, Sutherland. She sank the next day.
 * SS Sabaudia ( undefined): World War II: Battle of the Tarigo Convoy: The ammunition ship was shelled and sunk in the Mediterranean Sea off the Kerkennah Islands, Tunisia by HMS Jervis (F00), HMS Mohawk (F31) and HMS Nubian (F36) (all ).
 * SS Sir Ernest Cassel (🇸🇪 Sweden): World War II: The cargo ship was shelled and sunk off the Azores, Portugal by GERMAN AUXILIARY CRUISER Thor . All crew were rescued and made prisoners of war.
 * MV Swedru (🇬🇧 United Kingdom: World War II: The ship was bombed and damaged in the Atlantic Ocean (55.35°N, -12.83333°W) by Luftwaffe aircraft with the loss of 24 lives. She was scuttled by a Royal Navy ship on 19 April.

17 April

 * SS Damaskini (🇬🇧 United Kingdom): World War II: The cargo ship was bombed and sunk in the Aegean Sea north of Euboea by Luftwaffe aircraft.
 * SS Effra (🇬🇧 United Kingdom): World War II: Convoy FS 464: The cargo ship was torpedoed and sunk in the North Sea off the Cross Sands Lightship (🇬🇧 United Kingdom) (52.73333°N, 1.96667°W) by a Kriegsmarine schnellboot with the loss of two crew.
 * SS Ethel Radcliffe (🇬🇧 United Kingdom): World War II: The cargo ship was torpedoed and damaged in the North Sea by Kriegsmarine schnellboot. She was beached at Gorleston, Suffolk with no loss of life amongst her 40 crew. The ship was bombed a number of times and was declared to be beyond salvage on 20 May.
 * SS Montalto (🇬🇧 United Kingdom): World War II: the cargo ship was bombed and sunk at Rochester, Kent by Luftwaffe aircraft.
 * SS Nereus (1921) (🇳🇱 Netherlands): World War II: Convoy FS 464: The cargo ship was torpedoed and sunk in the North Sea off Great Yarmouth, Norfolk by a Kriegsmarine schnellboot.
 * SS Petrakis Nomikos (🇬🇷 Greece): World War II: The cargo ship was bombed and damaged at Piraeus by Luftwaffe aircraft. She was beached, but was later salvaged, repaired and entered German service.
 * SS Profit (1918) (🇳🇴 Norway): World War II: The cargo ship struck a mine and sank in the North Sea off Clacton-on-Sea, Essex, United Kingdom (51.79083°N, 1.50917°W) with the loss of twelve crew. HMS Wallace (L64) was one of the ships that rescued survivors.
 *  Romagna ( undefined): World War II: The barque was shelled and sunk in the Mediterranean Sea by HMS Greyhound (H05) and HMAS Voyager (D31).
 *  Vanna ( undefined): World War II: The barque was shelled and sunk in the Mediterranean Sea off Apollonia, Libya by HMS Truant (N68) (.
 * MV Venezuela (1939) (🇸🇪 Sweden): World War II: The cargo ship was torpedoed and sunk in the Atlantic Ocean by GS U-123 (1940) with the loss of all 41 crew and all eight survivors from MV Caroline Thordén (🇫🇮 Finland).
 * YUGOSLAV DESTROYER Zagreb : World War II: The destroyer was scuttled at Cattaro.
 * SS Zamzam (🇪🇬 Egypt): World War II: The ocean liner was shelled and sunk in the South Atlantic (-27.68333°N, -8.13333°W) by GERMAN AUXILIARY CRUISER Atlantis . All on board were rescued by GERMAN SUPPLY SHIP Dresden and landed at Saint-Jean-de-Luz, Pyrénées Atlantique, France.

18 April

 * MV British Science (🇬🇧 United Kingdom): World War II: The tanker was bombed and sunk in the Kithera Channel (36.1°N, 24°W by Luftwaffe aircraft. All crew were rescued by HMS Hero (H99).
 * SS Chios (1892) (🇬🇷 Greece): World War II: The cargo ship was bombed and sunk at Eretria by Luftwaffe aircraft.
 * HMS Fiona (1927) : World War II: The armed merchant cruiser was bombed and sunk in the Mediterranean Sea 50 nmi north west of Sidi Barini, Egypt by Junkers Ju 87 aircraft of the Luftwaffe with the loss of 53 crew.
 * SS Fokion (🇬🇷 Greece): World War II: The cargo ship was bombed and sunk off Psara by Luftwaffe aircraft.
 * MV Franco Martelli ( undefined): World War II: The cargo ship was torpeoded and sunk in the Mediterranean Sea (46.51667°N, 8.76667°W) by HMS Urge (.
 * SS Moscha L Goulandris (🇬🇷 Greece): World War II: The cargo ship was bombed and damaged off Chalkis by Luftwaffe aircraft and was beached. After further bombing on 20 and 23 April she was declared a total loss.
 * GERMAN PATROL VESSEL V-709 : World War II: The vorpostenboot was torpedoed and sunk in the Bay of Biscay.
 * HMT Young Ernie : The naval trawler collided with another vessel in the Tyne and sank.

19 April

 * SS Champenois (🇫🇷 France): The cargo ship ran aground north of Casablanca, Morocco (33.48333°N, -7.95°W and was wrecked.
 * SS Fravis (🇬🇧 United Kingdom): World War II: The dredger was bombed and sunk at Langstone, Hampshire by Luftwaffe aircraft.
 * HMT Kopanes : World War II: The naval trawler was bombed and sunk off Northumberland by Luftwaffe aircraft.
 * GERMAN MINESWEEPER M-1101 : World War II: The auxiliary minesweeper was torpoedoed and sunk in the North Sea (58.66667°N, 4.91667°W) by FRENCH SUBMARINE Minerve.
 * SS Margit (🇵🇦 Panama): World War II: The cargo ship was bombed and sunk at Kalkara Creek, Malta by Luftwaffe aircraft.
 * SS Samos (1923) (🇩🇪 Germany): World War II: The cargo ship struck a mine and sank in the Mediterranean Sea.
 * SS Teti Noumikos (🇬🇷 Greece): World War II: The cargo ship was bombed and sunk at Chalkis by Luftwaffe aircraft.

20 April

 * SS Assimia Baika (🇬🇷 Greece): World War II: The cargo ship was bombed and sunk at Politika by Luftwaffe aircraft.
 * SS Chryssoroi (🇬🇷 Greece): World War II: The coastal tanker was bombed and sunk at Phleva by Luftwaffe aircraft.
 * SS Empire Endurance (🇬🇧 United Kingdom): World War II: The cargo liner was torpedoed and sunk south west of Rockall (53.08333°N, -23.23333°W) by GS U-73 (1940) ( with the loss of 66 of the 95 people on board. Survivors were rescued by HMS Trillium (K172).
 * Harry (🇬🇧 United Kingdom): World War II: The barge was bombed and sunk at Shadwell, London by Luftwaffe aircraft. Later raised and scrapped.
 * HMML 1003 and HMML 1037 (both ): World War II: The Fairmile B motor launches were lost when SS Empire Endurance (🇬🇧 United Kingdom) was torpedoed and sunk.
 * SS Ithaki (🇬🇷 Greece): World War II: The passenger ship was bombed and sunk in Suda Bay by Luftwaffe aircraft.
 * SS Moschanthi (🇬🇷 Greece): World War II: The coaster was bombed and sunk at Aigio by Luftwaffe aircraft.
 * Percy (🇬🇧 United Kingdom): World War II: The barge was bombed and sunk at Shadwell by Luftwaffe aircraft.
 * Psara : World War II: The was bombed and sunk in the Saronic Gulf by Luftwaffe aircraft.
 * SS Pteroti (🇬🇷 Greece): World War II: The coaster was bombed and sunk at Chalkis by Luftwaffe aircraft.
 *  R S Jackson (🇬🇧 United Kingdom): The spritsail barge was bombed and sunk at London by Luftwaffe aircraft. Later raised and scrapped.
 * HMT Topaze : The naval trawler was rammed and sunk off the mouth of the Clyde by HMS Rodney (29) with the loss of 18 crew.
 * Vasilefs Georgios : World War II: The was scuttled in the Salamis Naval Base to prevent capture by German forces.
 * SS Vineland (🇨🇦 Canada): World War II: The cargo ship was torpedoed, shelled and sunk in the Caribbean Sea north of Cape Hatien, Haiti by GS U-154 (1941) with the loss of one of her 35 crew.

21 April

 * SS Archon (🇬🇷 Greece): World War II: The cargo ship was bombed and sunk at Euboea by Luftwaffe aircraft.
 * SS Bankura (🇬🇧 United Kingdom): World War II: The cargo ship was bombed and damaged at Tobruk, Libya by Luftwaffe aircraft. After further damage in subsequent air raids she was declared a total loss.
 * SS Calchas (🇬🇧 United Kingdom): World War II: The cargo ship was torpedoed and sunk in the Atlantic Ocean (23.83333°N, -27°W) by GS U-107 (1940) with the loss of 24 of the 113 people on board.
 * SS Esperos (🇬🇷 Greece): The hospital ship was bombed and sunk at Missolonghi by Luftwaffe aircraft.
 * SS Ioanna (1901) (🇬🇷 Greece): World War II: The cargo ship was bombed and sunk at Patras by Luftwaffe aircraft.
 * SS Prometeo ( undefined): World War II: The tanker was attacked in the Mediterranean Sea off Tripoli, Libya, by HMS Truant (N68) and ran aground whilst evading her torpedoes. She was later salvaged, repaired and returned to service.
 * ST Regency (🇬🇧 United Kingdom): World War II: The tug struck a mine and sank in the Thames Estuary at Dagenham, Essex along with three or four barges. Two lives were lost. Later raised, repaired and returned to service.
 * Thyella : World War II: The was sunk by enemy action off Vouliagmeni near Athens.
 * SS Urania (🇬🇧 United Kingdom): World War II: The cargo ship was bombed and sunk at Tobruk by Luftwaffe aircraft.

22 April

 * SS Aghios Markos (🇬🇷 Greece): World War II: The cargo ship was bombed and sunk at Peristeri by Luftwaffe aircraft.
 * SS Athenai (🇬🇷 Greece): World War II: The coaster was bombed and sunk at Itea by Luftwaffe aircraft.
 * SS Avlis (🇬🇷 Greece): World War II: The coaster was bombed and sunk at Raphina by Luftwaffe aircraft.
 * SS Blenheim (1923) : The troopship caught fire and sank at Porsangerfjorden, Finnmark, Norway with the loss of 138 of the 286 people on board. Wreck salvaged in 1946 and scrapped in 1948.
 * Coronation of Leeds (🇬🇧 United Kingdom): World War II: The steam barge struck a mine in the Thames Estuary off Thames Haven, Essex and sank with the loss of all three crew.
 * SS Darmas (🇬🇷 Greece): World War II: The cargo ship was bombed and sunk in the Gulf of Patras by Luftwaffe aircraft.
 * Frinton (🇬🇷 Greece): World War II: The cargo ship was bombed and sunk at Megalo Lefko by Luftwaffe aircraft.
 * Hydra : World War II: The was bombed and sunk in the Saronic Gulf by Luftwaffe aircraft.
 * SS Ioannis Nomicos (🇬🇷 Greece): World War II: The coaster was bombed and sunk in the Gulf of Corinth off Rhion by Luftwaffe aircraft.
 * GREEK TORPEDO BOAT Kios : World War II: The torpedo boat was bombed and sunk in the Gulf of Athens by Luftwaffe aircraft.
 * SS Messarya Nomikou (🇬🇷 Greece): World War II: The cargo ship was bombed and sunk at Nafpactos by Luftwaffe aircraft. Later salvaged by the Germans and repaired.
 * SS Miss Elaine (🇬🇧 United Kingdom): World War II: The salvage vessel was bombed and sunk at Plymouth, Devon by Luftwaffe aircraft. Raised on 14 May, repaired and returned to service.
 * SS Obra (🇩🇪 Germany): World War II: The coaster struck a mine and sank in the Baltic Sea off Griefswald, Rostock, Mecklenburg-Vorpommern.
 * SS Pancration (🇬🇷 Greece): World War II: The cargo ship was bombed and sunk at Milos by Luftwaffe aircraft.
 * SS Sifnos (🇬🇷 Greece): World War II: The coaster was bombed and sunk at Suda Bay by Luftwaffe aircraft. She was later salvaged by the Germans and repaired.
 * SS Sokratis (🇬🇷 Greece): World War II: The hospital ship was bombed and sunk in the Gulf of Corinth at Antikyra by Luftwaffe aircraft.
 * SS Teti (🇬🇷 Greece): World War II: The cargo ship was bombed and damaged in Greek waters by Luftwaffe aircraft. She was beached to prevent her sinking.
 * SS Thassos (1919) (🇬🇷 Greece): World War II: The cargo ship was bombed and sunk at Megara by Luftwaffe aircraft.
 * SS Thedol 2 (🇬🇷 Greece): World War II: The coastal tanker was bombed and sunk in the Gulf of Corinth at Antikyra by Luftwaffe aircraft.
 * SS Theodora (1917) (🇬🇷 Greece): World War II: The tanker was bombed and sunk in the Gulf of Corinth at Antikyra by Luftwaffe aircraft with the loss of thirteen crew.
 * SS Thraki (1913) (🇬🇷 Greece): World War II: the cargo ship was bombed and sunk in the Gulf of Corinth at Sombraina by Luftwaffe aircraft.
 * SS Vita (1914) (🇬🇧 United Kingdom): World War II: The hospital ship was bombed and severely damaged in the Mediterranean Sea off Tobruk, Libya by Junkers Ju 87 aircraft of the Luftwaffe. HMAS Waterhen (D22) rescued 498 people.

23 April

 * SS Assimi (🇬🇷 Greece): World War II: The coaster was bombed and sunk at Krioneri by Luftwaffe aircraft.
 * SS Athina S (🇬🇷 Greece): World War II: The coaster was bombed and sunk at Psathopirgos by Luftwaffe aircraft. She was later refloated.
 * Doris : World War II: The was scuttled at Porto Rafti.
 * MV Egeo : World War II: The armed merchant cruiser was shelled and sunk in the Mediterranean Sea 80 nmi off Tripoli, Libya by HMS Jaguar (F32), HMS Janus (F53), HMS Jervis (F00) and HMS Juno (F46) (all ).
 * SS Elvira (🇬🇷 Greece): World War II: The coaster was bombed and sunk at Chaklis by Luftwaffe aircraft.
 * SS Hellenis (🇬🇷 Greece): World War II: The hospital ship was bombed and sunk. Later raised, then bombed and sunk by aircraft while under repairs at Naples, Italy in June 1943.
 * SS Hydra (1899) (🇬🇷 Greece): World War II: The coaster wasbombed and sunk at Megara by Luftwaffe aircraft.
 * MV Katerina (1887) (🇬🇷 Greece): World War II: The tanker was bombed and sunk at Methana by Luftwaffe aircraft.
 * SS Kerkyra (🇬🇷 Greece): World War II: The passenger ship was bombed and sunk at Salamis Naval Base by Luftwaffe aircraft.
 * Kilkis : World War II: The was bombed and sunk at Salamis Naval Base by Luftwaffe aircraft.
 * Kios : World War II: The was  sunk at Piraeus by Luftwaffe aircraft.
 * SS Kriti (🇬🇷 Greece): World War II: The cargo ship was bombed and sunk at Antirion by Luftwaffe aircraft. She was later refloated and taken to Italy.
 * SS Kyma (🇬🇷 Greece): World War II: The coaster was bombed and sunk at Patras by Luftwaffe aircraft.
 * Lemnos : World War II: The was bombed and sunk at Salamis Naval Base by Luftwaffe aircraft.
 * SS Macedonia (1898) (🇬🇷 Greece): World War II: The cargo ship was bombed and sunk at Trisonia-Spilia, Patras by Luftwaffe aircraft.
 * Nestos : World War II: The was  sunk in Corinth Bay.
 * SS Nicolaos Nomicos (🇬🇷 Greece): World War II: The coaster was bombed and sunk at Trisonia-Spilia, Patras by Luftwaffe aircraft. She was later refloated by the Germans and towed to Piraeus, where she was scrapped.
 * SS Nicolaou Georgios (🇬🇷 Greece): World War II: The cargo ship was bombed and sunk at Napulia by Luftwaffe aircraft.
 * SS Policos (🇬🇷 Greece): World War II: The hospital ship was bombed and sunk at Methana by Luftwaffe aircraft.
 * SS Ponta Verde (🇧🇷 Brazil): The tanker ran aground in the Strait of Magellan and was wrecked.
 * MV Santa Clara Valley (🇬🇧 United Kingdom): World War II: The cargo ship was bombed and sunk in Napulia Bay by Luftwaffe aircraft with the loss of seven lives.
 * SS Stathis A (🇬🇷 Greece): World War II: The coaster was bombed and sunk at Megara by Luftwaffe aircraft.

24 April

 * Aigli : World War II: The was scuttled in Saronis Bay.
 * Alkyoni : World War II: The was scuttled in Vouliagmeni Bay.
 * SS Andros (1914) (🇬🇷 Greece): World War II: The hospital ship was bombed and sunk in the Gulf of Corinth off Loutraki by Luftwaffe aircraft.
 * Arethousa : World War II: The was scuttled off Varkizy.
 * HMY Calanthe : World War II: The armed yacht was bombed and sunk off Milos, Greece by Luftwaffe aircraft.
 * SS Cavallo (🇬🇧 United Kingdom): World War II: The cargo ship was bombed and damaged at Napulia, Greece by Luftwaffe aircraft. She sank the next day.
 * MV Egeo ( undefined): World War II: The cargo ship was torpedoed and sunk in the Mediterranean Sea off Lampedusa by HMS Juno (F46).
 * SS Hellas (1893) (🇬🇷 Greece): World War II: The cargo ship was bombed and sunk at Piraeus by Luftwaffe aircraft.
 * SS Kehrea (🇬🇷 Greece): World War II: The cargo ship was bombed and sunk in the Bay of Frangolimano by Luftwaffe aircraft.
 * SS Kyriaki (🇬🇷 Greece): World War II: The cargo ship was bombed and sunk at Suda Bay by Luftwaffe aircraft.
 * SS Manna (🇬🇷 Greece): World War II: The coaster was bombed and sunk at Aedipsos by Luftwaffe aircraft.
 * GREEK TORPEDO BOAT Pergamos : World War II: The torpedo boat was bombed and sunk at Salamis Naval Base by Luftwaffe aircraft.
 * SS Petros (1892) (🇬🇷 Greece): World War II: The coaster was bombed and sunk at Porto Heli by Luftwaffe aircraft. She was refloated by the Germans and scrapped at Piraeus.
 * SS Popi S (🇬🇷 Greece): World War II: The cargo ship was bombed and sunk at Milos by Luftwaffe aircraft.
 * SS Pylaros (1920) (🇬🇷 Greece): World War II: The cargo ship was bombed and sunk at Galaxeidion by Luftwaffe aircraft.
 * HMS Rover (N62) : World War II: The was bombed and damaged at Suda Bay by Luftwaffe aircraft and was beached. Later repaired and returned to service.
 * ITALIAN TORPEDO BOAT Simone Schiaffino : World War II: The torpedo boat struck a mine in the Mediterranean Sea off Cape Bon, Tunisia.
 * SS Spetsai (1904) (🇬🇷 Greece): World War II: The cargo ship was bombed and sunk in the Gulf of Corinth off Psathopyrgos by Luftwaffe aircraft.
 * SS Ulster Prince (🇬🇧 United Kingdom): World War II: Operation Demon: The troopship ran aground at Nauplia. She was bombed the next day by Luftwaffe aircraft and gutted by fire.

25 April

 * SS Anna Maria (1905) (🇬🇷 Greece): World War II: The coaster was bombed and sunk at Aigio by Luftwaffe aircraft.
 * SS Antoniette Lauro (🇩🇪 Germany): World War II: The troopship was torpedoed and sunk in the Mediterranean Sea off the Kerkennah Islands, Tunisia by HMS Upholder (P37).
 * SS Dimitrios Nomikos (🇬🇷 Greece): World War II: The cargo ship was bombed and sunk at Karystos by Luftwaffe aircraft. She was later salvaged by the Germans, repaired and entered German service.
 * SS Empire Light (🇬🇧 United Kingdom): World War II: The cargo ship was torpedoed and sunk in the Atlantic Ocean (53.95°N, -46.23333°W) by GS U-532.
 * Kyzikos : World War II: The was  sunk at Salamis by Luftwaffe aircraft.
 * SS Marios (🇬🇷 Greece): World War II: The coaster was bombed and sunk at Aigio by Luftwaffe aircraft.
 * SS Pennland (🇬🇧 United Kingdom): World War II: Operation Demon: The troopship was bombed and damaged off San Giorgio Island by Luftwaffe aircraft with the loss of four crew. Approximately 350 people were rescued by HMS Griffin (H31), which scuttled Pennland.
 * Pergamos : World War II: The was  scuttled at Salamis.
 * SS Polyana (1919) (🇳🇴 Norway): World War II: Convoy OG 58: The cargo ship was torpedoed and sunk in the Atlantic Ocean (approximately 12.75°N, -28.35°W) by GS U-103 (1940) with the loss of all twenty five crew.
 * SS Sofia (1918) (🇬🇷 Greece): World War II: The cargo ship was bombed and sunk at Megara by Luftwaffe aircraft.
 * SS Thraki (1917) (🇬🇷 Greece): World War II: The cargo ship was bombed and sunk at Port Kheli by Luftwaffe aircraft.
 * Thraki (🇬🇷 Greece): World War II: The yacht was bombed and sunk at Myli by Luftwaffe aircraft.

26 April

 * GREEK TORPEDO BOAT Kydoniai : World War II: The torpedo boat was bombed and sunk at Morea by Luftwaffe aircraft.
 * SS Lapponia (🇫🇮 Finland): World War II: The cargo ship struck a mine and sank at Aalborg, Denmark. Later raised, repaired and returned to service.
 * SS Maiotis (1888) (🇬🇷 Greece): World War II: The cargo ship was bombed and sunk in the Aegean Sea by Luftwaffe aircraft. She was later raised, and scrapped in Venice, Italy, in 1949.
 * SS Maria Stathatou (🇬🇷 Greece): World War II: The cargo ship was bombed and sunk at Mylos by Luftwaffe aircraft.
 * SS Mountpark (🇬🇧 United Kingdom): World War II: The cargo ship was bombed and sunk in the Atlantic Ocean (56.28333°N, -12.35°W) by Luftwaffe aircraft with the loss of six crew.
 * SS Murdoch (🇬🇧 United Kingdom): The cargo ship sprang a leak and sank in the North Sea off Great Yarmouth, Norfolk.
 * SS Zakynthos (🇬🇷 Greece): World War II: The cargo ship was bombed and sunk off Monemvasia by Luftwaffe aircraft.

27 April

 * SS Astir (🇬🇷 Greece): World War II: The cargo ship was bombed and sunk at Kapsalion by Luftwaffe aircraft.
 * MV Beacon Grange (🇬🇧 United Kingdom): World War II: The cargo ship was torpedoed and sunk in the Atlantic Ocean (62.08333°N, -16.33333°W) by GS U-552 with the loss of two of her 84 crew. Survivors were rescued by the trawler Edouard Anseele (🇧🇪 Belgium) and HMS Gladiolus (K34).
 * SS Celte (🇬🇧 United Kingdom): World War II: The coaster was bombed and sunk in the Atlantic Ocean (61.33333°N, -11°W) by Luftwaffe aircraft. All crew were rescued.
 * HMT Commander Horton : World War II: The naval trawler was torpedoed and sunk in the Atlantic Ocean (approximately 62°N, -16°W) by GS U-552 with the loss of all fourteen crew.
 * SS Costa Rica (1910) (🇬🇧 United Kingdom): World War II: Battle of Greece: The troopship was bombed and sunk north of Crete by Luftwaffe aircraft. All on board were rescued by HMS Defender (H07), HMS Hereward (H93), HMS Hero (H99) and HMS Phoebe (43) (all ).
 * HMS Diamond (H22) : World War II: Battle of Greece: The D-class destroyer was bombed and sunk off Crete by Junkers Ju 87 aircraft of KG77.
 * SS Evanghelos Georgiou (🇬🇷 Greece): World War II: The coaster was bombed and sunk at Kithera by Luftwaffe aircraft.
 * SS Fragiscos (🇬🇷 Greece): World War II: The coaster was bombed and sunk in the Greek Archipelago by Luftwaffe aircraft.
 * SS Henri Mory (🇬🇧 United Kingdom: World War II: The cargo ship was torpedoed and sunk in the Atlantic Ocean 300 nmi west north west of the Blasket Islands, County Kerry, Ireland by GS U-110 (1940) with the loss of 28 of her 32 crew. Survivors were rescued by HMS Hurricane (H06).
 * SS Hollandia (1911) (🇬🇷 Greece): World War II: The cargo ship was bombed and sunk at Ermioni by Luftwaffe aircraft.
 * HMS Patia : World War II: The fighter catapult ship was bombed and sunk in the North Sea off the coast of Northumberland by a Luftwaffe aircraft with the loss of 39 crew.
 * SS Rimac (1919) (🇳🇴 Norway): World War II: The cargo ship collided with HMT Lord Plender in the North Sea off Great Yarmouth, Norfolk, United Kingdom and sank with the loss of five of her nineteen crew and three crew from HMT Lord Plender, which rescued the survivors.
 * SS Rimfakse (1920) (🇳🇴 Norway): World War II: The cargo ship was torpedoed and sunk in the Atlantic Ocean (60.16667°N, -8.9°W) by GS U-147 (1940) with the loss of eight of her sixteen crew. Survivors were rescued by SS Hengist (1928) (🇬🇧 United Kingdom).
 * SS Slamat (🇳🇱 Netherlands): World War II: Battle of Greece: The troopship was bombed and sunk off Crete by Junkers Ju 87 aircraft of KG 77 with the loss of 193 of the 843 people on board. Many survivors were rescued by HMS Diamond (H22) and HMS Wryneck (D21) (both ) but many of them were killed when those ships were also sunk. There were a total of 49 survivors from the three ships.
 * SS S.N.A. 7 (🇫🇷 France): World War II: The cargo ship struck a mine and sank in the Mediterranean Sea off Cape Bon, Tunisia.
 * SS Tassos (1891) (🇬🇷 Greece): The coaster was bombed and sunk at Ermioni by Luftwaffe aircraft.
 * HMS Wryneck (D21) : World War II: Battle of Greece: The W-class destroyer was bombed and sunk off Crete by Junkers Ju 87 aircraft of KG 77.

28 April

 * A 15 : World War II: The A lighter was bombed and sunk with all hands in the Mediterranean Sea between Suda Bay and Monemvasia.
 * SS Aikaterini (1895) (🇬🇷 Greece): World War II: The coaster was bombed and sunk off Spetsopoulou by Luftwaffe aircraft.
 * Aixos : World War II: The was  sunk ay Syros.
 * Caledonia (🇳🇴 Norway): World War II: Convoy HX 121: The tanker was torpedoed and sunk in the Atlantic Ocean (60.05°N, -16.16667°W) by GS U-96 (1940) with the loss of twelve of her 48 crew. Survivors were rescued by SS Zaafaran (🇬🇧 United Kingdom).
 * MV Capulet (🇬🇧 United Kingdom): World War II: Convoy HX 121: The tanker was torpedoed and damaged in the Atlantic Ocean (60.26667°N, -16.16667°W) by GS U-552 with the loss of nine of her 44 crew. She was torpedoed and sunk on 2 May by GS U-201 (. Survivors were rescued by HMS Douglas (D90)  and SS Zaafaran (🇬🇧 United Kingdom)
 * SS Clan Buchanan (1937) (🇬🇧 United Kingdom): World War II: The cargo ship was shelled and sunk in the Atlantic Ocean (5.4°N, 62.76667°W) by GERMAN AUXILIARY CRUISER Pinguin . All 107 crew were rescued by Pinguin.
 * SS Eleni Canavaroti (🇬🇷 Greece): World War II: the coaster was bombed and sunk by Luftwaffe aircraft.
 * HMT Johanna Caroline : World War II: The naval trawler struck a mine and sank in the Bristol Channel off Milford Haven, Pembrokeshire with the loss of all hands.
 * HMS LCT 5 (LCT5) : World War II: The Mk 1-class Landing Craft, Tank was bombed, beached and abandond at Monemvassia Greece.
 * SS Moncousu (🇬🇧 United Kingdom): World War II: The depot ship was bombed and sunk at Plymouth, Devon by Luftwaffe aircraft.
 * MV Oilfield (🇬🇧 United Kingdom): World War II: Convoy HX 121: The tanker was torpedoed and sunk in the Atlantic Ocean (60.08333°N, -17°W) by GS U-96 (1940) with the loss of 47 of her 55 crew. Survivors were rescued by HMT St Zeno (FY280)
 * SS Port Hardy (🇬🇧 United Kingdom): World War II: Convoy HX 121: The cargo ship was torpedoed and sunk in the Atlantic Ocean (60.23333°N, -15.33333°W) by GS U-96 (1940) with the loss of one of her 98 crew. Survivors were rescued by SS Zaafara (🇬🇧 United Kingdom).
 * GS U-65 (1940) : World War II: The Type IXB submarine was depth charged and sunk in the Atlantic Ocean (60.06667°N, -15.75°W) by HMS Douglas with the loss of all 46 crew.

29 April

 * SS Aetos (1910) (🇬🇷 Greece): World War II: The coaster was bombed and sunk in Greek waters by Luftwaffe aircraft.
 * SS Ambrose Fleming (🇬🇧 United Kingdom): World War II: Convoy EC 13: The cargo ship was torpedoed and sunk in the North Sea (53.23333°N, 1.13333°W) by GERMAN TORPEDO BOAT S-29 with the loss of eleven crew.
 * C 293 : World War II: The C lighter was bombed and sunk at Plymouth.
 * HMS Chakla : : World War II: The Armed Boarding Vessel was bombed and sunk at Tobruk, Libya by Luftwaffe aircraft.
 * SS Chiloe (🇨🇱 Chile): The passenger ship ran aground on Puchoco Point and was wrecked.
 * SS City of Nagpur (🇬🇧 United Kingdom): World War II: The passenger ship was torpedoed and sunk in the Atlantic Ocean (52.5°N, -26°W) by GS U-75 (1940) with the loss of sixteen lives. Survivors were rescued by HMS Hurricane (H06).
 * SS Elsi (1891) (🇬🇷 Greece): World War II: The cargo ship was bombed and sunk in Suda Bay by Luftwaffe aircraft. She was later salvaged and repaired by the Germans.
 * SS Kalua (🇬🇧 United Kingdom): World War II: The cargo ship was bombed and sunk in the North Sea off the mouth of the Tyne by Luftwaffe aircraft. All crew were rescued.
 * SS Konistra (1907) (🇬🇷 Greece): World War II: The cargo ship was bombed and sunk in Suda Bay by Luftwaffe aircraft. She was later salvaged and repaired by the Germans.
 * HMML 278 : World War II: The Fairmile B motor launch struck a mine and sank at Portsmouth, Hampshire with the loss of all hands.
 * HMS Pessac : World War II: The auxiliary patrol vessel was bombed and sunk at Plymouth, Devon by Luftwaffe aircraft. She was raised, repaired and returned to service in 1942.
 * SS Superga ( undefined): World War II: The tanker was torpedoed by a submarine south of Varna, Bulgaria (43°N, 27.96667°W). She was beached to avoid sinking.

30 April

 * HMS Fermoy (J40) : World War II: The Hunt-class minesweeper was bombed and damaged at Malta by Luftwaffe aircraft and declared a constructive total loss. She was further damaged by bombing on 4 May and sank.
 * MV Lassell (🇬🇧 United Kingdom): World War II: The cargo ship was torpedoed and sunk in the Atlantic Ocean 250 nmi south west of the Cape Verde Islands, Portugal (12.91667°N, -28.93333°W) by GS U-107 (1940) with the loss of two of her 53 crew. Survivors were rescued by SS Benvrackie (1922) and SS Egba (both 🇬🇧 United Kingdom.
 *  : World War II: The patrol vessel struck a mine and sank in the Red Sea (13.18333°N, 42.9°W) with the loss of sixteen of her 37 crew. Survivors were rescued by a Royal Navy ship.
 * HMS Peuplier  : World War II: The Tug was bombed and sunk off Plymouth.
 * HMT Trusty Star : World War II: The naval trawler was bombed and sunk at Malta by Luftwaffe aircraft. She was later salvaged, repaired and returned to service.

Unknown date

 * SS George A. Dracoulis (🇬🇷 Greece): World War II: The cargo ship was bombed and sunk at Chalkis by Luftwaffe aircraft on 20 or 25 April.
 * SS Point Judith (🇬🇷 Greece): World War II: The cargo ship was bombed and sunk at Kythnos by Luftwaffe aircraft on 24 or 26 April. All crew were rescued.
 * HMS Usk (N65) : World War II: The U-class submarine was lost due to enemy action sometime on or after 25 April with the loss of all 31 crew.
 * SS Ypani (🇬🇷 Greece): World War II: The cargo ship was bombed and sunk at Stylis by Luftwaffe aircraft. She was refloated in 1942 and placed under repair at Piraeus.