List of shipwrecks in October 1915

The list of shipwrecks in October 1915 includes some ships sunk, foundered, grounded, or otherwise lost during October 1915.

1 October

 * Elizabeth (🇳🇴 Norway): The coaster suffered an on board explosion and fire and sank in the English Channel off Cap la Heve, Seine-Maritime, France.
 * SS Lackawanna (🇺🇸 United States): The cargo ship ran aground in Lake Michigan and was severely damaged.
 * SS Pine Brance (1883) (🇳🇴 Norway): The cargo ship collided with SS Fame (🇳🇴 Norway at Archangelsk, Russia and was a total loss.
 * SS Providencia (1902) (🇫🇷 France): World War I: The troopship was sunk in the Mediterranean Sea 50 nmi south of Cape Matapan, Greece (35.55°N, 20.93333°W) by SMU U-33 (Germany) . Her 40 crew were rescued by SS Mossoul (🇫🇷 France).

2 October

 * HMT Alexandra (or Alexandra II, : The naval tug was lost on this date.
 * SS Arabian (1892) ( undefined): World War I: The cargo ship was shelled and sunk in the Mediterranean Sea 15 nmi west of Cerigo, Greece (36.06667°N, 22.88333°W by SMU U-33 (Germany) . Her crew survived.
 * SS Sailor Prince (1901) ( undefined): World War I: The cargo ship was shelled and sunk in the Mediterranean Sea 56 nmi south east by south of Cape Sidero, Crete, Greece (34.6°N, 27.06667°W) by SMU U-39 with the loss of two crew.
 * SS Sainte Marguerite (1913) (🇫🇷 France): World War I: The cargo ship was sunk in the Mediterranean Sea 20 nmi south west of Cerigo by SMU U-33 (Germany) . Her crew were rescued by SS Mossoul''' (🇫🇷 France).

3 October

 * SS Antonie (1910) (🇫🇷 France): World War I: The cargo ship was sunk in the Cerigo Strait (35.96667°N, 21.88333°W) by SMU U-33 (Germany) . Her crew survived.

4 October

 * SS Craigston (1911) ( undefined): World War I: The collier was shelled and sunk in the Mediterranean Sea 35 nmi west of Ovo Island, Greece (36.11667°N, 22.5°W) by SMU U-33 (Germany) . Her crew survived.
 * SS Yunnan (1903) (🇫🇷 France): World War I: The passenger ship was torpedoed and damaged in the Mediterranean Sea 21 nmi south of Cape Matapan Greece by SMU U-33 (Germany) with the loss of a crew member. She was beached. Survivors were rescued by SS Mossoul (🇫🇷 France). Yunnan was salvaged in 1919, repaired and returned to service as Ionopolis under the Greek flag.

5 October

 * FRENCH TRAWLER Alose : World War I: The naval trawler struck a mine and sank in the North Sea off the Galloper Lightship ( undefined) with the loss of twelve of her crew.
 * SS Burrsfield (1902) ( undefined): World War I: The collier was shelled and sunk in the Mediterranean Sea 70 nmi wast of Cape Matapan, Greece (35.95°N, 21°W) by SMU U-33 (Germany) with the loss of four crew.
 * SS Novocastrian (1915) ( undefined): World War I: The cargo ship struck a mine and sank in the North Sea 3.5 nmi south east by east of Lowestoft, Suffolk. Her crew survived.
 * X 130 : World War I: The barge, under tow of SS Burrswood (1902) ( undefined), was shelled and sunk 70 nmi west of Cape Matapan (35.95°N, 21°W) by SMU U-33 (Germany).

6 October

 * HMS Brighton Queen : World War I: The auxiliary minesweeper struck a mine and sank in the English Channel 5 nmi west of Nieuwpoort, West Flanders, Belgium with the loss of eight of her crew.
 * SS Dimitrios Dandiolos (1902) (🇬🇷 Greece): World War I: The cargo ship was sunk in the Mediterannean Sea east of Malta (35.71667°N, 18.4°W) by SMU U-33 (Germany).
 * SS Forth (🇳🇴 Norway): The cargo ship foundered in the Atlantic Ocean. Her crew were rescued by General Laurie (🇺🇸 United States).
 * SS Novocastrian (: The cargo ship foundered. Her crew survived.
 * SS Scawby (1911) ( undefined): World War I: The cargo ship was scuttled in the Mediterranean Sea 220 nmi east of Malta by SMU U-33 (Germany) . Her crew survived.
 * SS Silverash (1904) ( undefined): World War I: The cargo ship was shelled and sunk in the Mediterranean Sea 184 nmi east of Malta by SMU U-33 (Germany) . Her crew survived.
 * SS Texelstroom (1914) (🇳🇱 Netherlands): World War I: The cargo ship struck a mine and sank in the North Sea 1 nmi west of the Shipwash Lightship ( undefined). Her crew survived.

7 October

 * SS Amiral Hamelin (1901) (🇫🇷 France): World War I: The cargo ship was sunk in the Mediterranean Sea 170 nmi west of Cape Matapan, Greece (35.61667°N, 19.13333°W) by SMU U-33 (Germany) with the loss of 71 lives.
 * SS Halizones (1902) ( undefined): World War I: The cargo ship was shelled and sunk in the Mediterranean Sea 122 nmi south east by east of Cape Martello, Crete, Greece by SMU U-39 . Her crew survived.
 * SS Katja (1904) ( undefined): World War I: The coaster was sunk in the Black Sea 15 nmi north west of Sevastopol by SMU UB-14.
 * SMS T43 : World War I: The S7-class torpedo boat struck a mine and sank in the North Sea with the loss of three of her crew.

8 October

 * SS Apscheron : World War I: The transport ship was torpedoed and sunk in the Black Sea 24 nmi south of Cape Chersones by SM UB-14.
 * SS Thorpwood (1912) ( undefined): World War I: The collier was shelled and sunk in the Mediterranean Sea 122 nmi south of Cape Martello, Crete, Greece (33.2°N, 25.46667°W) by SMU U-39 . Her crew survived.

9 October

 * HMS Apollo (1905) : World War I: The collier was shelled and sunk in the Mediterranean Sea 63 nmi south of Gavdos, Greece (33.73333°N, 24.66667°W) by SMU U-39 . Her crew survived.
 * SS Arabia (1901) ( undefined): The cargo ship ran aground at Ystad, Sweden.

10 October

 * SS Newcastle (1899) ( undefined): World War I: The cargo ship struck a mine and sank in the English Channel 4 nmi south west of Folkestone, Kent. Her crew survived.
 * Wrestler ( undefined): The tug was lost on this date,

11 October

 * SS Germania ( undefined): The cargo ship ran aground off the coast of Sweden and was subsequently sunk by an on board explosion.
 *  Seileren (🇳🇴 Norway): The four-masted barque collided with another vessel in the Irish Sea off Torr Head, County Antrim, United Kingdom. Her crew were rescued.
 * SS Thorpwood ( undefined): The cargo ship foundered. Her crew were rescued.

12 October

 * SS Combe (1912) ( undefined): The ammunition carrier was lost in the Arctic Sea on this date.
 * HMT Frons Olivae : World War I: The naval trawler struck a mine and sank in the North Sea with the loss of eleven of her crew.
 * HMT Restore : World War I: The naval trawler was shelled and sunk in the Otranto Channel (40.33333°N, 18.7°W) by SMU U-39 with the loss of two crew.

14 October

 * SS Salerno (1912) ( undefined): World War I: The cargo ship struck a mine and sank in the North Sea 2.5 nmi south of the Longsand Lightship ( undefined) (51.75°N, 1.7°W). Her crew survived.

15 October

 * SMS S100 : The S90-class torpedo boat collided with SS Preussen (1909) ( undefined) and sank in the Baltic Sea.

16 October

 * SS Volscian (1898) ( undefined): World War I: The coaster struck a mine and was damaged in the English Channel 2.5 nmi west by south of Folkestone, Kent. She was beached but was later refloated.

17 October

 * HMT Javelin : World War I: The naval trawler struck a mine and sank in the North Sea 3 nmi south of the Longsand Lightship ( undefined) with the loss of a crew member.

18 October

 * SS Aleppo (1900) ( undefined): World War I: The cargo ship struck a mine and was damaged in the North Sea. She was beached but was later refloated.
 * SS Algardi ( undefined): The cargo ship ran aground on the Longsand, in the Thames Estuary, and was abandoned by her crew. She was refloated on 22 October.
 * SS Pernambuco ( undefined): World War I: The cargo ship was torpedoed and sunk in the Baltic Sea off Oxelösund, Södermanland County, Sweden by a Royal Navy submarine.
 * SS Salerno (1914) (🇳🇴 Norway): World War I: The cargo ship struck a mine and sank in the North Sea. Her crew survived.
 * SS Scilla (1866) ( undefined): World War I: The cargo ship was sunk in the Aegean Sea off the Sporades, Greece by SMU U-35 (Germany).
 * SM U-27 : World War I: The Type U 23 submarine was torpedoed and sunk in the North Sea (50.71667°N, -7.36667°W) by HMS E3.

19 October

 * HMT Erin II : World War I: The naval trawler struck a mine and sank in the English Channel off the Nab Lightship ( undefined) with the loss of seven of her crew.

20 October

 * HMT Star Of Buchan : World War I: The naval trawler struck a mine and sank in the English Channel off the Nab Lightship ( undefined) with the loss of seven of her crew.

21 October

 * SS Cape Antibes ( undefined): World War I: The collier struck a mine and sank in the White Sea with the loss of six of her crew.
 * SS Monitoria (1909) ( undefined): World War I: The collier struck a mine and sank in the North Sea (51.78333°N, 1.51667°W). Her crew survived.
 * SS Roi Leopold (🇧🇪 Belgium): The cargo ship was wrecked on the Macau Bank off Gironde, France. She was raised c.1921, repaired and returned to service.

22 October

 *  Cissie (🇳🇴 Norway): The barque collided with another vessel in the English Channel off the Isle of Wight and sank with the loss of seven of her 22 crew.
 * HMT Lord Denman : The naval trawler was lost in the Arctic Sea on this date.
 * HMT Scott : World War I: The naval trawler struck a mine and sank in the Thames Estuary off the Tongue Lightship ( undefined) with the loss of three of her crew.

23 October

 * SS Ilaro (1895) ( undefined): World War I: The cargo ship struck a mine and sank in the English Channel 4 nmi east of Dungeness, Kent with the loss of a crew member.
 * SS Marquette (1898) ( undefined): World War I: The troopship was torpedoed and sunk in the Aegean Sea 36 nmi south of Salonica, Greece by SMU U-35 (Germany) with the loss of 167 lives.
 * SMS Prinz Adalbert (1901) : World War I: The Prinz Adalbert-class armored cruiser was torpedoed and sunk in the Baltic Sea 20 nmi off Liepāja, Latvia by HMS E8 with the loss of 672 of her 675 crew.

24 October

 * HMT Charity : The naval trawler was lost on this date.
 * SS Isabel Monks ( undefined): The coaster collided with SS Ydun (🇳🇴 Norway) in the Atlantic Ocean 17 nmi off the Tuskar Rock, Ireland. Both vessels sank, their crews survived.
 * SS Rumina (1883) (🇳🇴 Norway): World War I: The cargo ship was captured in the Baltic Sea by SMU U-17 (Germany). She was ordered into Libau, East Prussia, Germany but struck a mine en route and sank with the loss of six lives.

25 October

 * SS Selma (1906) (🇳🇴 Norway): World War I: The cargo ship struck a mine and sank in the North Sea 25 nmi east north east of North Foreland, Kent, United Kingdom with the loss of nineteen of her crew.
 * HMS Velox (1902) : World War I: The Viper-class destroyer struck a mine and sank in the English Channel off the Nab Lightship ( undefined) (50.68333°N, -1.33333°W) with the loss of four of her crew.

27 October

 * HMT Bonar Law : The naval trawler was lost on this date.

28 October

 * HMS Argyll (1904) : The Devonshire-class cruiser ran aground on Inchcape, Forfarshire and was wrecked.
 * HMS Hythe (1905) : The auxiliary minesweeper was run into and sunk by HMS Sarnia in the Dardanelles with the loss of 154 lives.

30 October

 * FRENCH SUBMARINE Turquoise : World War I: The Émeraude-class submarine was sunk in the Dardanelles off Nagara Point, Turkey. She was refloated by Ottoman forces on 3 November and taken into the Ottoman Navy as Mustadieh Ombashi.

31 October

 * HMY Aries : World War I: The naval yacht struck a mine and sank in the English Channel off Leathercote Point, Kent (51°N, 1.4°W) with the loss of 22 of her crew.
 * SS Eidsiva (1902) (🇳🇴 Norway): World War I: The cargo ship struck a mine and sank in the English Channel off South Foreland, Kent. Her crew survived.
 * HMT John G. Watson : The naval trawler was lost on this date.
 * HMS Louis : World War I: Dardanelles Campaign: The Laforey-class destroyer was shelled and sunk in Suvla Bay by Turkish coastal artillery.
 * HMT Othello II : World War I: The naval trawler struck a mine and sank in the English Channel off Lethercote Point with the loss of nine of her crew.
 * SS Toward (1899) ( undefined): World War I: The cargo ship struck a mine and sank in the English Channel off South Foreland. Her crew survived.