List of shipwrecks in 1940

The list of shipwrecks in 1940 includes all ships sunk, foundered, grounded, or otherwise lost during 1940.

Template:Standard table

	Operator	Ship	Class	Cause	Location
January 3	Template:Navy USSR	S-2	Type S submarine	Sunk by Finnish mine	Märket narrows, Baltic Sea
January 7	Template:Navy UK	HMS Seahorse	S class submarine	Deptcharged and sunk by ships of the German 1st Minesweeping Flotilla	North-west of Heligoland
January 7	Template:Navy UK	HMS Undine	U class submarine	Sunk by German A/S trawlers	South west of Heligoland
January 9	Template:Navy UK	HMS Starfish	S class submarine	Deptcharged and sunk by German minesweeper M-7	Heligoland Bight
January 13	Template:Navy FIN	Aura II	Escort vessel and former presidential yacht	Sunk by one of her depth charges as it exploded in its thrower while she was attacking the Soviet submarine Shtsh 324	Märket narrows, Baltic Sea
January 19	Template:Navy UK	HMS Grenville	G class destroyer	Sunk by mine	North Sea
January 21	Template:Navy UK	HMS Exmouth	E class destroyer	Torpedoed and sunk by U-22	In the Moray Firth, off Inverness
January 30	Template:Navy DEU-1935	Unterseeboot 15	Submarine	Collision with torpedo boat Iltis	North Sea, near Hoofden
January 30	Template:Navy DEU-1935	Unterseeboot 55	Submarine	Sunk by RN destroyer HMS Whitshed, RN sloop HMS Fowey, French destroyers Valmy. Guepard and a Short Sunderland from No. 228 Squadron RAF	North Sea near the Shetland Islands
February 5	Template:Navy DEU-1935	Unterseeboot 41	Submarine	Sunk by HMS Antelope	South of Ireland
February 12	Template:Navy DEU-1935	Unterseeboot 33	Submarine	Sunk by the minesweeper HMS Gleaner	Firth of Clyde
February 18	Template:Navy UK	HMS Daring	D class destroyer	Torpedoed and sunk by Unterseeboot 23	East of Pentland Firth, Scotland
February 20	Template:Navy DEU-1935	Unterseeboot 54	Submarine	Disappeared, probably lost to mine field	North Sea
February 22	Template:Navy DEU-1935	Leberecht Maass	Zerstörer 1934 class destroyer	Attacked and hit by a Luftwaffe bomber, lost steering and strayed into a British minefield	Dogger Bank
February 22	Template:Navy DEU-1935	Max Schultz	Zerstörer 1934 class destroyer	Hit mine during rescue efforts for Leberecht Maass	Dogger Bank
February 23	Template:Navy DEU-1935	Unterseeboot 53	Submarine	Depth charged and sunk by RN destroyer HMS Gurkha	North Sea, near Orkney
February 25	Template:Navy DEU-1935	Unterseeboot 63	Submarine	Sunk by the destroyers HMS Escort, HMS Inglefield, and HMS Imogen	North Sea near the Shetland Islands
March 13	Template:Navy DEU-1935	Unterseeboot 44	Submarine	Lost in mine field	North Sea
March 24	Template:Navy FRA	La Railleuse	L'Adroit class destroyer	Sunk by accidental explosion of its own torpedoes	Casablanca, Marocco
March 27	Template:Navy DEU-1935	Unterseeboot 22	Submarine	Went missing	North Sea
April 6	Template:Navy DEU-1935	Unterseeboot 1	Submarine	Sunk by mine	North Sea
April 6	Template:Navy DEU-1935	Unterseeboot 50	Submarine	Sunk by mine	North Sea north of Terschelling
April 9	Template:Navy UK	HMS Gurkha	Tribal class destroyer	Sunk by Luftwaffe bombers in the initial phase of Operation Weserübung	North Sea south-east of Bergen
April 8	Template:Navy UK	HMS Glowworm	G class destroyer	Sunk by the German cruiser Admiral Hipper at the beginning of the German invasion of Norway	North-west of Trondheim
April 9	Template:Navy NOR	HNoMS Æger	Sleipner class destroyer	Sunk by Luftwaffe bombers during the invasion of Norway	Near Stavanger
April 9	Template:Navy DEU-1935	Blücher	Admiral Hipper class heavy cruiser	Sunk by Norwegian coastal artillery during Operation Weserübung	Oslofjord
April 9	Template:Navy NOR	HNoMS Eidsvold	Eidsvold class coastal battleship	Torpedoed by the German destroyer Wilhelm Heidkamp during the battle of Narvik	Narvik
April 9	Template:Navy NOR	HNoMS Norge	Eidsvold class coastal battleship	Torpedoed by the German destroyer Bernd von Arnim during the battle of Narvik	Narvik
April 9	Template:Navy DEU-1935	Karlsruhe	K class light cruiser	Torpedoed and crippled by British submarine HMS Truant off Kristiansand while on her way back to Germany after taking part in Operation Weserübung, then scuttled by German torpedoboat Greif	Skagerrak near Kristiansand
April 10	Template:Navy DEU-1935	Albatros	1923 Raubvogel class torpedoboat	Beached and wrecked after battle damage during Operation Weserübung	Oslofjord
April 10	Template:Navy DEU-1935	Wilhelm Heidkamp	Zerstörer 1936 class destroyer	Torpedoed by the British destroyer HMS Hardy during first battle of Narvik	Narvik
April 10	Template:Navy DEU-1935	Anton Schmitt	Zerstörer 1936 class destroyer	Torpedoed by the British destroyer HMS Hunter during first battle of Narvik	Narvik
April 10	Template:Navy UK	HMS Hardy	H class destroyer	Sunk by German destroyers during first battle of Narvik	Ofotfjord near Narvik
April 10	Template:Navy UK	HMS Hunter	H class destroyer	Sunk by German destroyers during first battle of Narvik	Ofotfjord near Narvik
April 10	Template:Navy DEU-1935	Königsberg	K class light cruiser	Bombed and sunk by Fleet Air Arm Blackburn Skua dive bombers while in port in Bergen on the second day of Operation Weserübung	Bergen
April 10	Template:Navy UK	HMS Tarpon	T class submarine	Probably sunk by the German 'Q-ship' Schiff 40 / Schürbek	Skagerak
April 10	Template:Navy UK	HMS Thistle	T class submarine	Torpedoed and sunk by U-4 during the Operation Weserübung	North Sea off Norway
April 13	Template:Navy NOR	HNoMS Frøya	Minelayer	Scuttled by own crew during the Norwegian campaign, then torpedoed and destroyed by U-34	Trondheimsfjord
April 13	Template:Navy DEU-1935	Unterseeboot 64	Submarine	Sunk by Fairey Swordfish from HMS Warspite during the Second Battle of Narvik	Near Bjerkvik
April 13	Template:Navy DEU-1935	Erich Koellner	Zerstörer 1934A class destroyer	Sunk by HMS Warspite and RN destroyers during the Second Battle of Narvik	Narvik
April 13	Template:Navy DEU-1935	Hermann Künne	Zerstörer 1936 class destroyer	Sunk by HMS Eskimo during the Second Battle of Narvik	Narvik
April 13	Template:Navy DEU-1935	Diether von Roeder	Zerstörer 1936 class destroyer	Sunk by HMS Warspite and RN destroyers during the Second Battle of Narvik	Narvik
April 13	Template:Navy DEU-1935	Erich Giese	Zerstörer 1934A class destroyer	Sunk by HMS Warspite and RN destroyers during the Second Battle of Narvik	Narvik
April 13	Template:Navy DEU-1935	Bernd von Arnim	Zerstörer 1934A class destroyer	Scuttled by own crew during the Second Battle of Narvik	Narvik
April 13	Template:Navy DEU-1935	Georg Thiele	Zerstörer 1934 class destroyer	Scuttled by own crew during the Second Battle of Narvik	Narvik
April 13	Template:Navy DEU-1935	Hans Lüdemann	Zerstörer 1936 class destroyer	Scuttled by own crew during the Second Battle of Narvik	Narvik
April 13	Template:Navy DEU-1935	Wolfgang Zenker	Zerstörer 1934A class destroyer	Scuttled by own crew during the Second Battle of Narvik	Narvik
April 15	Template:Navy DEU-1935	Brummer	Auxiliary gunnery training ship	Torpedoed by RN submarine HMS Sterlet April 14, sinking early the next morning	Kattegat
April 15	Template:Navy DEU-1935	Unterseeboot 49	Submarine	Sunk by British destroyers HMS Fearless and HMS Brazen	Near Harstad
April 18	Template:Navy UK	HMS Sterlet	S class submarine	Sunk either by German anti submarine trawlers UJ-125, UJ-126 and UJ-128 or mined on her way home to base	Skagerrak south of Larvik
April 20	Template:Navy NOR	HNoMS Stegg	Trygg class torpedo boat	Sunk in battle with Kriegsmarine warships during the Norwegian campaign	Hardangerfjord
April 26	Template:Navy NOR	HNoMS Garm	Draug class destroyer	Sunk by Luftwaffe bombers during the Norwegian campaign	Sognefjord
April 29	Template:Navy UK	HMS Unity	U class submarine	Sunk following accidental collision with Norwegian Steamer Atle Jarl	Off the Tyne
April 30	Template:Navy UK	HMS Bittern	Bittern class sloop	Sunk by German bombers during the Norwegian campaign	Off Namsos
April 30	Template:Navy UK	HMS Dunoon	Hunt class minesweeper	Mined while sweeping for mines	Off Great Yarmouth
April 30	Template:Navy DEU-1935	Leopard	1924 Raubtier class torpedoboat	Sunk after collision with the minelayer Preußen	Skagerrak
April 30	Template:Navy FRA	Maillé Brézé	Vauquelin class destroyer	Sunk by accidental explosion of two of its own torpedoes	Greenock, Scotland
May 1	Template:Navy DEU-1935	Uller	Vale class minelayer	Sunk by Royal Norwegian Navy Air Service He 115 seaplane bomber	Sognefjord
May 3	Template:Navy FRA	Bison	Guépard class destroyer	Sunk by German aircraft while taking part in the evacuation of Namsos	Off Trondheim
May 3	Template:Navy UK	HMS Afridi	Tribal class destroyer	Sunk by Stuka dive bombers during the evacuation of troops from the Namsos campaign	Namsos
May 4	Template:Navy POL	ORP Grom	Grom class destroyer	Sunk by German bombers	Ofotfjord near Narvik
May 9	Template:Navy FRA	Doris	Circé class submarine	Torpedoed and sunk by U-9	West of Petten, the Netherlands
May 10	Royal Netherlands Navy	HNLMS Van Galen	Admiralen class destroyer	Severely damaged by German bombers off Waalhaven, sinking later in the day	Merwedehaven
May 12	Royal Netherlands Navy	HNLMS Friso	Gruno class gunboat	Sunk by German aircraft	On the IJsselmeer off Enkhuizen
May 13	Royal Netherlands Navy	HNLMS Christiaan Cornelis	K class torpedoboat	Scuttled by own crew after suffering heavy damage from German air and ground forces	Rotterdam
May 14	Royal Netherlands Navy	HNLMS Brinio	Gruno class gunboat	Scuttled by own crew after suffering damage from German aircraft on May 12	On the IJsselmeer
May 14	Royal Netherlands Navy	O 11	O 9 class submarine	Scuttled to prevent capture by the Germans	Den Helder
May 14	Royal Netherlands Navy	O 12	O 12 class class submarine	Scuttled to prevent capture by the Germans while undergoing maintenance at the Rijkswerf shipyard	Den Helder
May 15	Royal Netherlands Navy	HNLMS Hydra	Hydra class minelayer	Beached and scuttled by her own crew after being damaged by German anti-tank gunfire	Somewhere in Zeeland
May 15	Royal Netherlands Navy	HNLMS Tjerk Hiddes	Gerard Callenburgh class destroyer	Scuttled to prevent capture by the Germans	Nieuwe Waterweg at Rotterdam
May 15	Template:Navy UK	HMS Valentine	V class destroyer	Bombed by German aircraft, beached and abandoned	Off Terneuzen, Holland
May 17	Royal Netherlands Navy	HNLMS Philips Van Almonde	Gerard Callenburgh class destroyer	Scuttled on slipway to prevent capture by the Germans	Vlissingen
May 18	Template:Navy UK	HMS Effingham	Hawkins class cruiser	Wrecked on a reef near Bodø during the Norwegian campaign, scuttled with gunfire and torpedoes by HMS Matabele 21 May 1940	Bliksvær near Bodø
May 19	Template:Navy UK	HMS Whitley	W class destroyer	Damaged by German aircraft, beached, then scuttled by HMS Keith	Off Ostend
May 21	Template:Navy FRA	L'Adroit	L'Adroit class destroyer	Sunk by German He 111 bomber	Off Dunkerque
May 23	Template:Navy FRA	Jaguar	Chacal class destroyer	Sunk by E-boats S-21 and S-23 during Operation Dynamo	Off Dunkerque
May 23	Template:Navy FRA	Orage	Bourrasque class destroyer	Sunk by German bombers	Off Boulogne-sur-Mer
May 24	Template:Navy FRA	Chacal	Chacal class destroyer	Sunk by German aircraft	Off Boulogne-sur-Mer
May 24	Template:Navy UK	HMS Wessex	W class destroyer	Bombed and sunk by German aircraft while conducting a NGFS mission	Off Calais
May 26	Template:Navy UK	HMS Curlew	C class light cruiser	Sunk by German bombers	Ofotfjord near Narvik
May 29	Template:Navy UK	HMS Grafton	G class destroyer	Sunk by the German uboat U-62 during Operation Dynamo	North Sea, off Nieuwpoort, Belgium, Belgium
May 29	Template:Navy UK	HMS Grenade	G class destroyer	Sunk by Stukas during Operation Dynamo	English Channel
May 29	Template:Navy UK	HMS Wakeful	W class destroyer	Torpedoed and sunk by E-boat S-30 during Operation Dynamo	English Channel
May 30	Template:Navy FRA	Bourrasque	Bourrasque class destroyer	Heavily damaged by mine, then sunk by artillery fire during Operation Dynamo	North Sea, off Nieuwpoort, Belgium, Belgium
May 31	Template:Navy FRA	Sirocco	Bourrasque class destroyer	Sunk by E-boats S-23 and S-26 during Operation Dynamo	English Channel
May 31	Template:Navy DEU-1935	Unterseeboot 13	Submarine	Sunk by Royal Navy sloop HMS Weston
Late May	Template:Navy POL	ORP Orzeł	Orzeł class submarine	Disappeared while operating against German naval forces off Norway during the Norwegian campaign	Somewhere in the North Sea
June 1	Template:Navy UK	HMS Basilisk	B class destroyer	Sunk by air attack during Operation Dynamo	English Channel
June 1	Template:Navy UK	HMS Havant	Havant class destroyer	Damaged by air attack, then sunk by HMS Saltash during Operation Dynamo	English Channel
June 1	Template:Navy UK	HMS Keith	B class destroyer	Sunk by air attack during Operation Dynamo	English Channel
June 1	Template:Navy FRA	Le Foudroyant	L'Adroit class destroyer	Sunk by air attack during Operation Dynamo	English Channel
June 6	Template:Navy UK	HMS Carinthia	Armed merchant cruiser	Torpedoed and sunk by U-46	West of Galway Bay, Ireland
June 8	Template:Navy UK	HMS Acasta	A class destroyer	Sunk by the German battlecruisers Gneisenau and Scharnhorst during Operation Juno	North Sea near Norway
June 8	Template:Navy UK	HMS Ardent	A class destroyer	Sunk by the German battlecruisers Gneisenau and Scharnhorst during Operation Juno	North Sea near Norway
June 8	Template:Navy UK	HMS Glorious	Aircraft carrier	Sunk by the German battlecruisers Gneisenau and Scharnhorst during Operation Juno	North Sea near Norway
June 8	Template:Navy UK	HMS Juniper	Tree class minesweeping trawler	Sunk by the German heavy cruiser Admiral Hipper during Operation Juno	North Sea near Norway
June 12	Template:Navy UK	HMS Calypso	C class light cruiser	Sunk by Italian submarine Bagnolini	Eastern Mediterranean, south of Crete
June 13	Royal Netherlands Navy	O 13	O 12 class class submarine	Went missing on patrol, probably lost in German mine field June 13	Near the Great Fisher Bank
June 13	Template:Navy UK	HMS Scotstoun	Armed merchant cruiser	Torpedoed and sunk by U-25	West of Barra, Outer Hebrides
June 14	Regia Marina	Macalle	Adua class submarine	Ran aground	Red Sea
June 14	Template:Navy UK	HMS Odin	Odin class submarine	Sunk by the Italian destroyers Strale and Baleno	In the Gulf of Taranto, off Crotone
June 16	Template:Navy UK	HMS Grampus	Grampus class submarine	Sunk by four Italian Spica class torpedo boats	East of Sicily
June 17	Template:Navy UK	HMT Lancastria	Troopship	Sunk by air attack during Operation Ariel	South of Chémoulin Point in the Charpentier roads off St. Nazaire
June 17	Regia Marina	Provana	Marcello class submarine	Rammed and sunk by French sloop La Curieuse after attacking a French convoy	Off Oran, Algeria
June 18	Template:Navy FRA	Achille	Redoutable class submarine	Scuttled while in drydock	Brest
June 18	Template:Navy FRA	Agosta	Agosta class submarine	Scuttled	Brest
June 18	Template:Navy FRA	Cyclone	Bourrasque class destroyer	Damaged by E-boat S-24 30 May 1940, scuttled June 18 1940	Brest
June 18	Template:Navy FRA	Pasteur	Redoutable class submarine	Scuttled	Brest
June 18	Template:Navy FRA	Ouessant	Agosta class submarine	Scuttled	Brest
June 19	Template:Navy UK	HMS Orpheus	Odin class submarine	Sunk by the Italian Turbine class destroyer Turbine	North of Tobruk
June 20	Regia Marina	Diamante	Submarine	Torpedoed and sunk by HMS Parthian	Off Tobruk
June 22	Template:Navy FRA	La Bastiaise	Flower class corvette	Sunk by mine	Off Hartlepool
June 22	Template:Navy DEU-1935	Unterseeboot 122	Submarine	Lost to reasons unknown	North Sea
June 23	Regia Marina	Torricelli	Submarine	Sunk in surface gunbattle with the destroyers HMS Kandahar, HMS Kingston, HMS Khartoum and the sloop HMS Shoreham	Red Sea off Perim
June 23	Template:Navy UK	HMS Khartoum	K class destroyer	Beached after suffering heavy gunfire damage in battle with the Italian submarine Torricelli	Red Sea off Perim
June 23	File:Imperial-India-Blue-Ensign.svg Royal Indian Navy	HMIS Pathan	PC class patrol craft	Torpedoed and sunk by the Italian submarine Galvani	Gulf of Oman
June 24	Regia Marina	Galvani	Brin class submarine	Engaged on the surface and sunk by the sloop HMS Falmouth'	Gulf of Oman
June 25	Template:Navy CAN-1911	HMCS Fraser	C class destroyer	Accidentally rammed and sunk by anti-aircraft cruiser HMS Calcutta during Operation Ariel	Gironde estuary, off Bordeaux
June 27	Regia Marina	Console Generale Liuzzi	Liuzzi class submarine	Scuttled after depth charge attack from RN destroyers HMS Dainty, HMS Ilex, HMS Decoy, HMS Defender, and RAN destroyer HMAS Voyager	South of Crete
June 28	Regia Marina	Espero	Turbine class destroyer	Sunk by HMAS Sydney while transporting Black Shirts from Taranto to Tobruk	Off Tobruk
June 29	Regia Marina	Argonauta	Argonauta class submarine	Probably sunk by depth charge attack from RN destroyers HMS Dainty, HMS Ilex, HMS Decoy, HMS Defender, and RAN destroyer HMAS Voyager, alternatively depth charged and sunk by a Short Sunderland	Off Cape Ras el Hilal, Libya
June 29	Regia Marina	Rubino	Sirena class submarine	Sunk by Short Sunderland of No. 230 Squadron RAF	Ionian Sea, off Santa Maria di Leuca
June 29	Regia Marina	Uebi Sciebeli	Adua class submarine	Sunk by HMS Dainty and HMS Ilex	West of Crete
July 1	Template:Navy DEU-1935	Unterseeboot 26	Submarine	Sunk by the corvette HMS Gladiolus and a Royal Australian Air Force Short Sunderland	Atlantic Ocean near Ireland
July 1	Template:Navy DEU-1935	Unterseeboot 102	Submarine	Sunk by HMS Vansittart	South-west of Ireland
July 3	Template:Navy FRA	Bretange	Bretagne class battleship	Sunk at the attack on Mers-el-Kébir	Mers-el-Kébir, French North Africa
July 4	Template:Navy FRA	Rigault de Genouillyt	Bougainville class colonial sloop	Torpedoed and sunk by RN sub HMS Pandora	North of Matifou, French North Africa
July 5	Template:Navy UK	HMS Whirldwind	W class destroyer	Torpedoed and sunk by Unterseeboot 34	South-west of Ireland
July 5	Regia Marina	Zeffiro	Turbine class destroyer	Sunk by Fairey Swordfish torpedo bombers from HMS Eagle	Tobruk
July 6	Template:Navy UK	HMS Shark	S class submarine	Sunk under tow by German minesweeping trawlers M-1803, M1806 and M-1807 after capture by German seaplanes the previous day	West-south-west of Egersund
July 9	Template:Navy UK	HMS Salmon	S class submarine	Lost, probably sunk by a mine	Off Norway
July 11	Template:Navy UK	HMS Escort	E class destroyer	Torpedoed by the Italian submarine Guglielmo Marconi on July 8, sank under tow July 11	East of Gibraltar
July 16	Template:Navy UK	HMS Imogen	I class destroyer	Accidentally rammed and sunk by cruiser HMS Glasgow	Off Duncasby Head, Scotland
July 16	Template:Navy UK	HMS Phoenix	Parthian class submarine	Sunk by the Italian torpedo boat Albatros	Off Augusta, Sicily
July 19	Regia Marina	Bartolomeo Colleoni	Condottieri class cruiser	Sunk by RAN and RN ships in the Battle of Cape Spada	Off Cape Spada, Crete
July 20	Template:Navy UK	HMS Brazen	B class destroyer	Sunk by air attack	Off Dover
July 20	Regia Marina	Nembo	Turbine class destroyer	Sunk by Fairey Swordfish torpedo bombers from HMS Eagle	Gulf of Bomba, near Tobruk
July 20	Regia Marina	Ostro	Turbine class destroyer	Sunk by Fairey Swordfish torpedo bombers from HMS Eagle	Gulf of Bomba, near Tobruk
July 26	Template:Navy DEU-1935	Luchs	1924 Raubtier class torpedoboat	Torpedoed and sunk by RN submarine HMS Swordfish	North Sea, off Norway
July 27	Template:Navy UK	HMS Codrington	A class destroyer leader	Sunk by air attack	Off Dover
July 27	Template:Navy UK	HMS Wren	W class destroyer	Sunk by German bombers	Off Aldeburgh, England
July 30	Template:Navy UK	HMS Delight	D class destroyer	Sank in port after being damaged by German bombers the previous day	Portland harbour
July 30	Template:Navy UK	HMS Narwhal	Grampus class submarine	Sunk by German aircraft	Off Norway
August 1	Template:Navy UK	HMS Oswald	Odin class submarine	Rammed and sunk by the Italian Navigatori class destroyer Ugolino Vivaldi	South of Cape Spartivento, Strait of Messina
August 1	Template:Navy UK	HMS Spearfish	S class submarine	Torpedoed and sunk by Unterseeboot 34	North-east of Aberdeen, Scotland
August 1	Template:Navy DEU-1935	Unterseeboot 25	Submarine	Sunk by minefield	North Sea near Terchelling
August 3	Template:Navy UK	HMS Thames	River class submarine	Probably mined	North Sea
August 10	Template:Navy UK	HMS Transylvania	Armed merchant cruiser	Torpedoed and sunk by German uboat U-56	Northwest of Malin Head, Donegal
August 15	Template:Navy GRE	Elli	Light cruiser	Torpedoed and sunk by Italian submarine Delfino	Aegean Sea, off Tinos
August 20	Template:Navy DEU-1935	Unterseeboot 51	Submarine	Sunk by submarine HMS Cachalot	West of St. Nazaire
August 22	Regia Marina	Iride	600-Serie Perla class submarine	Sunk by Fairey Swordfish torpedo bomber from HMS Eagle	Gulf of Bomba off Cyrenaica
August 23	Template:Navy UK	HMS Hostile	H class destroyer	Damaged by mine, scuttled by HMS Hero	Off Cape Bon in the Strait of Sicily
August 28	Template:Navy UK	HMS Dunvegan Castle	Armed merchant cruiser	Torpedoed by U-46 August 27, floundered the next day	West of Ireland
August 31	Template:Navy UK	HMS Esk	E class destroyer	Sunk by mine	Off Texel, the Netherlands
September 1	Template:Navy UK	HMS Ivanhoe	I class destroyer	Sunk by mine	North Sea, off the Frisian Islands
September 3	Template:Navy DEU-1935	Unterseeboot 57	Submarine	Collision with Norwegian steamship Rona	Off Brunsbüttel, Schleswig-Holstein
September 17	Regia Marina	Aquilone	Turbine class destroyer	Sunk by Fairey Swordfish torpedo bombers from HMS Illustrious	Benghazi harbor
September 17	Regia Marina	Borea	Turbine class destroyer	Sunk by Fairey Swordfish torpedo bombers from HMS Illustrious	Benghazi harbor
September 23	Template:Navy FRA	L'Audacieux	Destroyer	Beached after being attacked by HMAS Australia during the Battle of Dakar	Dakar, French West Africa
September 23	Template:Navy FRA	Persée	Redoutable class submarine	Sunk during by HMS Foresight and HMS Inglefield during the Battle of Dakar	Off Dakar
September 24	Template:Navy FRA	Ajax	Redoutable class submarine	Sunk during by HMS Fortune during the Battle of Dakar	Off Dakar
September 24	Template:Navy DEU-1935	Ostmark	Light seaplane tender	Sunk by the Royal Navy submarine HMS Tuna	Bay of Biscay south-west of St. Nazaire
September 30	Regia Marina	Gondar	Adua class submarine	Sunk by HMAS Stuart and a Short Sunderland flying boat	Off Alexandria
October 2	Regia Marina	Berillo	Perla class submarine	Scuttled after attack from RN destroyers HMS Havock and HMS Hasty	Off Sidi Barrani
October 4	Template:Navy UK	HMS Rainbow	R class submarine	Rammed and sunk by the Italian merchant Antonietta Costa	Off Bari
October 12	Regia Marina	Artigliere	Soldati class destroyer	Sunk by HMS York after having been heavily damaged by HMS Ajax	Ionian Sea
October 15	Template:Navy UK	HMS Triad	T class submarine	Sunk in surface gunbattle with the Italian submarine Enrico Toti	Gulf of Taranto
October 17	Template:Navy UK	HMS Dundalk	Hunt class minesweeper	Struck mine October 16, foundered the next day while under tow	Off Harwich
October 18	Regia Marina	Durbo	Adua class submarine	Sunk by HMS Firedrake, HMS Wrestler and two Saunders-Roe London flying boats of No. 202 Squadron RAF	East of Gibraltar
October 18	Template:Navy UK	HMS H49	H class submarine	Deptcharged and sunk by the German submarine chasers UJ 116 and UJ 118	Off Texel
October 19	Template:Navy UK	HMS Venetia	V class destroyer	Mined	Off Margate
October 20	Regia Marina	Lafolè	Adua class submarine	Sunk by HMS Gallant, HMS Griffin and HMS Hotspur	North of Melilla
October 20	Regia Marina	Francesco Nullo	Sauro class destroyer	Beached following surface action with HMS Kimberley and HMNZS Leander, wreck destroyed by three RAF Bristol Blenheim bombers the following day	Near Massawa
October 22	Template:Navy CAN-1911	HMCS Margaree	River class destroyer	Sunk after collision with freighter M.V. Port Fairy	North Atlantic
October 28	British Merchant Navy	Empress of Britain	Steam passenger ship	Torpedoed and sunk by U-32	Northwest of Ireland
October 30	Template:Navy UK	HMS Sturdy	S class destroyer	Ran aground and was totally wrecked	Off Tiree Island, Scotland
October 30	Template:Navy DEU-1935	Unterseeboot 32	Submarine	Sunk by HMS Harvester and HMS Highlander	Northwest of Ireland
October 31	Regia Marina	Faà di Bruno	Marcello class Submarine	Lost to unknown reasons	Atlantic
November 2	Template:Navy DEU-1935	Unterseeboot 31	Submarine	Sunk by HMS Antelope	North-west of Ireland
November 3	Template:Navy UK	HMS Laurentic	Armed merchant cruiser	Torpedoed and sunk by U-99	West of Bloody Foreland, Ireland
November 5	Template:Navy UK	HMS Jervis Bay	Armed merchant cruiser	Sunk by German pocket battleship Admiral Scheer	Mid-Atlantic
November 7	Template:Navy UK	HMS Swordfish	S class submarine	Sunk by mine	South of St. Catherine’s Head, Isle of Wight
November 7	Template:Navy DEU-1935	T6	Type 1935 class torpedoboat	Sunk by mine	Off Kinnaired Head, near Aberdeen, Scotland
November 8	Template:Navy NOR	HNoMS Fridtjof Nansen	Offshore Patrol Vessel	Ran aground on an unmarked shallow and sank	Off Jan Mayen
November 8	Template:Navy FRA	Poncelet	Submarine	Sunk by HMS Milford during the Battle of Gabon	Gabon, French Equatorial Africa
November 9	Template:Navy FRA	Bougainville	Bougainville class colonial sloop	Sunk by Free French naval forces during the Battle of Gabon	Gabon, French Equatorial Africa
November 11	Regia Marina	Conte di Cavor	Conte di Cavour class battleship	Sunk by Fairey Swordfish torpedo bombers from HMS Illustrious during the battle of Taranto	Taranto, Italy
November 19	Royal Netherlands Navy	O 22	O 21 class submarine	Sunk, probably by mine	South-west of Norway
November 19	Template:Navy DEU-1935	Unterseeboot 104	Submarine	Disappeared, possibly lost to mine field off Tory Island	North-west of Ireland
November 26	Template:Navy UK	HMS Regulus	R class submarine	Most likely mined	Straits of Taranto
December 2	Template:Navy UK	HMS Forfar	Armed merchant cruiser	Sunk by U-99	Atlantic, west of Ireland
December 5	Template:Navy UK	HMS Cameron	Town class destroyer	Bombed and wrecked by the Luftwaffe while in drydock	Portsmouth
December 14	Regia Marina	Naiade	Sirena class submarine	Sunk by RN destroyers HMS Hyperion and HMS Hereward	Off Bardia, Libya
December 15	Regia Marina	Capitano Tarantini	Liuzzi class submarine	Torpedoed and sunk by RN submarine HMS Thunderbolt	Gironde estuary, France
December 15	Forces navales françaises libres	Narval	Requin class submarine	Lost to mine	Off Sfax, French North Africa
December 17	Template:Navy UK	HMS Acheron	A class destroyer	Sunk by mine	Off the Isle of Wight
December 18	Template:Navy UK	HMS Triton	T class submarine	Lost to either mines or Italian torpedo boats	Strait of Otranto
December 19	Template:Navy FRA	Sfax	Agosta class submarine	Torpedoed and sunk by U-37	Off Cape Juby, French North Africa
December 22	Template:Navy UK	HMS Hyperion	H class destroyer	Sunk by mine	Off Pantelleria east of Cape Bon in the Strait of Sicily
December 29	Template:Navy GRE	Proteus	Submarine	Sunk by Italian Spica class torpedo boat Antares shortly after having torpedoed and sunk the 11,452 ton Italian troop transport Sardegna	Southern Adriatic, east of Brindisi

|}

See also

• List of shipwrecks
• List of World War II ships