List of shipwrecks in October 1916

The list of shipwrecks in October 1916 includes some ships sunk, foundered, grounded, or otherwise lost during October 1916.

1 October

 * SS Cap Mazagan (1890) (🇫🇷 France): World War I: The coaster was scuttled in the Atlantic Ocean 31 nmi south West of the Longships Lighthouse (49.5°N, -5.53333°W) by SMU UB-38 . Her crew survived.
 * SS Le Blavet (1913) (🇫🇷 France): World War I: The cargo ship was sunk in the Atlantic Ocean 38 nmi south of the Longships Lighthouse (49.53333°N, -5.63333°W) by SMU UB-38.
 * Le Pelerin (🇫🇷 France): World War I: The fishing vessel was shelled and sunk in the Atlantic OCean 31 nmi south south east of the Longships Lighthouse (49.58333°N, -5.81667°W) by SMU UB-38 . Her crew survived.
 * SS Mallin (1915) (🇳🇴 Norway): World War I: The coaster was sunk in the Atlantic Ocean 30 nmi south of the Wolf Rock, Cornwall, United Kingdom by SMU UB-38 . Her crew survived.
 *  Musette ( undefined): World War I: The schooner was scuttled in the Atlantic Ocean off Ouessant, Finistère (49.2°N, -5.33333°W) by SMU UB-38 . Her crew survived.
 * SS Vanellus (1912) ( undefined): World War I: The cargo ship struck a mine and sank in the English Channel off Le Havre, Seine-Maritime, France with the loss of three of her crew.
 * Villebois Mareuil (🇫🇷 France): World War I: The sailing vessel was sunk in the Atlantic Ocean 20 nmi south south east of the Wolf Rock (49.61667°N, -5.6°W) by SMU UC-26.

2 October

 * HMT Filey : The naval trawler was lost on this date.
 * HMT Girl Eva : World War I: The naval trawler struck a mine and sank in the North Sea with the loss of seven of her crew.
 * SS Huntsfall (1906) ( undefined): World War I: The cargo ship was torpedoed and sunk in the Aegean Sea 12 nmi south south east of Skyros, Greece by SMU UB-46 . Her crew survived.
 * SS Lotusmere (1908) ( undefined) World War I: The collier was torpedoed and sunk in the Barents Sea 48 nmi north north east of the Teriberski Lighthouse (69.96667°N, 35.5°W) by SMU U-48 . Her crew survived.
 * FRENCH SLOOP Rigel :World War I: The Arabis-class sloop was sunk in the Mediterranean Sea 150 nmi east of Cape Palos, Spain (37.75°N, 2.25°W) by SMU U-35 (Germany) . Her crew survived.

3 October

 * SS Ada (1905) (🇳🇴 Norway): World War I: The cargo ship was sunk in the Atlantic Ocean 15 nmi south of the Wolf Rock, Cornwall, United Kingdom by SMU UC-26 . Her crew survived.
 * SS J. Y. Short (1887) ( undefined): World War I: The cargo ship was shelled and sunk in the Barents Sea 80 nmi east of Vardø, Finnmark, Norway (70.23333°N, 35.5°W) by SMU U-43 (Germany) . Her crew survived.
 *  La Fraternite (🇫🇷 France): World War I: The barque was sunk in the Atlantic Ocean 20 nmi north west of Île Vierge, Finistère by SMU UB-38.
 * SS Samos (1872) (🇬🇷 Greece): World War I: The cargo ship was sunk in the Mediterranean Sea south of Mallorca, Spain by SMU U-35 (Germany).
 * SS Tourgai (1907) ( undefined): World War I: The cargo ship was scuttled in the Barents Sea of the North Cape, Finnmark (70.23333°N, 33.05°W) by SMU U-43 (Germany).

4 October

 * SS Birk (1909) (🇳🇴 Norway): World War I: The coaster was sunk in the Mediterranean Sea 37 nmi north of Philipeville, Algeria (38.53333°N, 7.41667°W) by SMU U-35 (Germany) . Her crew survived.
 * SS Brantingham (1897) ( undefined): World War I: The cargo ship was torpedoed and sunk in the Barents Sea 70 nmi north north east of Vardø, Finnmark, Norway by SMU U-46 with the loss of all 24 crew.
 * SS Brink (1896) (🇳🇴 Norway): World War I: The cargo ship was sunk in the Barents Sea (50 nmi north east of Vardø by SMU U-48 . Her crew survived.
 * Cantatrice (🇫🇷 France): World War I: The sailing vessel was sunk in the Atlantic Ocean 12 nmi south of the Wolf Rock, Cornwall, United Kingdom by SMU UB-38.
 * RMS Franconia (1910) ( undefined): World War I: The troopship was torpedoed and sunk in the Mediterranean Sea 195 nmi east of Malta by SMU UB-47 with the loss of twelve of her 314 crew. Survivors were rescued by.
 * SS Gallia (1913) : World War I: The armed merchant cruiser was torpedoed and sunk in the Mediterranean Sea 35 nmi south west of San Pietro Island, Italy (38.45°N, 7.5°W) by SMU U-35 (Germany) with the loss of 1,338 of the approximately 2,000 people on board.
 * Jennie Bullas ( undefined): World War I: The fishing vessel was scuttled in the North Sea 14 nmi east north east of the Spurn Lightship ( undefined) by SMU UB-19 . Her crew survived.
 * Jersey ( undefined): World War I: The fishing vessel was scuttled in the North Sea 16 nmi north east by east of the Spurn Lightship ( undefined) by SMU UB-19 . Her crew survived.
 * Rado ( undefined): World War I: The fishing vessel was scuttled in the North Sea 15 nmi north east by east of the Spurn Lightship ( undefined) by SMU UB-19 . Her crew survived.
 * SS Risholm (1916) (🇳🇴 Norway): World War I: The cargo ship was sunk in the Atlantic Ocean 12 nmi west south west of Ouessant, Finistère, France by SMU UC-26 . Her crew survived.

5 October

 * SS Aurora (1909) ( undefined): World War I: The cargo ship was sunk in the Mediterranean Sea 50 nmi south west of Cape Carbonara, Sardinia by SMU U-35 (Germany) . Her crew survived.
 * SS Cederic (1901) (🇳🇴 Norway): World War I: The cargo ship was torpedoed and sunk in the Atlantic Ocean 18 nmi south of the Wolf Rock, Cornwall, United Kingdom (49.66667°N, -5.7°W) by SMU UB-38 . Her crew survived.
 *  Countess of Derby ( undefined): The schooner was driven ashore west of Dieppe, Seine-Maritime and was a total loss. Her crew were rescued.
 *  Grace Davis (🇺🇸 United States): The schooner foundered in the Atlantic Ocean off Cape Breton, Nova Scotia, Canada.
 * SS Isle of Hastings (1885) ( undefined): World War I: The cargo ship was scuttled in the Atlantic Ocean 10 nmi south by west of Ouessant, Finistère, France (48.3°N, -5.13333°W) by SMU UC-26 . Her crew survived.
 * SS Rosenvold (1899) (🇳🇴 Norway): World War I: The coaster was sunk in the Atlantic Ocean 15 nmi south of the Wolf Rock (49.83333°N, -6°W) by SMU UB-38.
 * Rover ( undefined): World War I: The fishing vessel was scuttled in the North Sea 10 nmi east north east of the Spurn Lightship ( undefined) by SMU UB-19 . Her crew survived.
 * St. Nikolai ( undefined): World War I: The sailing vessel was sunk in the Black Sea (45.91667°N, 32.1°W) by SMU UB-42 . Her crew survived.
 * SS Vera (1897) (🇸🇪 Sweden): World War I: The cargo ship was sunk in the Mediterranean Sea 45 nmi south of Cape Carbonara by SMU U-35 (Germany) . Her crew survived.

6 October

 * SS Erika (1899) ( undefined): World War I: The cargo ship was sunk in the Barents Sea off the Kola Peninsula by SMU U-46.
 * SS Lanterna (1882) ( undefined): World War I: The cargo ship struck a mine and sank in the North Sea 2.5 nmi north east of Cromer, Norfolk. Her crew survived.
 * SS Tuva (1889) (🇸🇪 Sweden): World War I: The cargo ship was sunk in the Barents Sea 70 nmi north of North Cape, Finnmark, Norway by SMU U-48 . Her crew survived.

7 October

 *  Asvald (🇳🇴 Norway): The brig was dismasted in the English Channel and was abandoned by her crew. She was later towed into Fishguard, Pembrokeshire in a waterlogged condition.
 * SS Jupiter (1901) ( undefined): World War I The cargo ship was damaged in the North Sea by SMU UB-27 . She was towed to the Pentland Firth and was beached. Later refloated, repaired and returned to service.

8 October

 * SS Blommersdijk (1907) (🇳🇱 Netherlands): World War I: The cargo ship was sunk in the Atlantic Ocean east of the Nantucket Lightship (40.66667°N, -69.6°W) by SMU U-53 . Her crew were rescued by a United States Navy destroyer.
 * SS Christian Knudsen (1905) (🇳🇴 Norway): World War I: The tanker was sunk in the Atlantic Ocean 14 nmi south south east of the Nantucket Lightship by SMU U-53 . Her crew were rescued by a United States Navy destroyer.
 * Magnus ( undefined}): World War I: The trawler was scuttled in the North Sea 40 nmi east north east of the Longstone Lighthouse, Northumberland by SMU UB-27 . Her crew survived.
 * SS Stephano (1911) ( undefined): World War I: The passenger ship was torpedoed and sunk in the Atlantic Ocean 2.5 nmi off the Nantucket Lightship by SMU U-53 . All 154 people on board were rescued by a United States Navy destroyer.
 * SS Strathdene (1909) ( undefined): World War I: The cargo ship was torpedoed and sunk in the Atlantic Ocean 20 nmi south south east of the Nantucket Lightship by SMU U-53 . Her crew survived. Her crew were rescued by a United States Navy destroyer.
 * SS West Point (1912) ( undefined): World War I: The cargo ship was scuttled in the Atlantic Ocean 46 nmi south east by east of the Nantucket Lightship (40.41667°N, -69°W) by SMU U-53 . Her crew were rescued by a United States Navy destroyer.

9 October

 * SS Astoria (1901) ( undefined): World War I: The cargo ship was torpedoed and sunk in the Barents Sea 120 nmi north west by west of Vardø, Finnmark, Norway by SMU U-46 with the loss of seventeen crew.
 *  Canowie ( undefined): The barque was wrecked on Chiloe Island, Chile with the loss of all hands.

10 October

 * SS Elax (1893) ( undefined): World War I: The tanker was torpedoed and sunk in the Mediterranean Sea 70 nmi west south west of Cape Matapan, Greece (35.9°N, 21.31667°W) by SMU UB-43 . Her crew survived.
 * SS Gardepee (1882) ( undefined): World War I: The cargo ship was scuttled in the Barents Sea 70 nmi north north east of the North Cape, Finnmark, Norway by SMU U-43 (Germany) . Her crew survived.

11 October

 * SS Bistritza (1915) (🇷🇴 Romania): World War I: The cargo ship was sunk in the Barents Sea 70 nmi north of the coast of Finnmark, Norway by SMU U-43 (Germany).
 * SS Crosshill (1910) ( undefined): World War I: the cargo ship was torpedoed and sunk in the Mediterranean Sea 60 nmi west of Malta (36.18333°N, 12.88333°W) by SMU UB-47 with the loss of four of her crew.
 * SS Iolo (1898) ( undefined): World War I: The collier was torpedoed and sunk in the Barents Sea 153 nmi north of Vardø, Finnmark (72.83333°N, 32°W) by SMU U-46 . Her crew survived.

12 October

 * SS Sebek (1909) ( undefined): World War I: The cargo ship was damaged in the Mediterranean Sea off Gozo, Malta by SMU UB-47 . She was beached but was later refloated, repaired and returned to service.

13 October

 *  Henriette ( undefined): The schooner was driven ashore at Porthleven, Cornwall. She broke up two days later and was a total loss.
 * SS Margaretha (1889) ( undefined): World War I: The cargo ship was sunk in the Gulf of Taranto (40.01667°N, 17.73333°W) by SMU U-4 (Austria-Hungary).
 * SS Mercator (1891) (🇫🇮 Finland): World War I: The cargo ship struck a mine and sank in the English Channel off Boulogne, Pas-de-Calais (50.75°N, -0.76667°W). Her crew survived.
 * SS Welsh Prince (1903) ( undefined): World War I: The cargo ship was torpedoed and sunk in the Mediterranean Sea 33 nmi south west of Cape Matapan, Greece (36°N, 22.83333°W) by SMU UB-43 with the loss of two of her crew.

14 October

 * Annunziata ( undefined): World War I: The sailing vessel was sunk in the Mediterranean Sea off Syracuse, Sicily by SMU UB-47.
 * Elena ( undefined): World War I: The sailing vessel was sunk in the Mediterranean Sea off Syracuse by SMU UB-47.
 * Il Nuovo Concettina ( undefined): World War I: The sailing vessel was sunk in the Mediterranean Sea off Syracuse by SMU UB-47.
 * Il Nuovo S. Luigi ( undefined): World War I: The sailing vessel was sunk in the Mediterranean Sea off Syracuse by SMU UB-47.
 * Il Redentore ( undefined): World War I: The sailing vessel was sunk in the Mediterranean Sea off Syracuse by SMU UB-47.
 * MV Robur (🇸🇪 Sweden): The cargo ship foundered in the Baltic Sea off Gotland. Her crew survived.

15 October

 * SS Avis (1871) (🇬🇷 Greece): World War I: The cargo ship was shelled and sunk in the Mediterranean Sea 12 nmi south of Punta Stilo (37.81667°N, 16.73333°W) by SMU UB-47.

16 October

 *  Busy Bee ( undefined): The schooner was driven ashore at Bude, Cornwall and was wrecked.
 *  J. E. Bodwell (🇺🇸 United States): The schooner foundered in the Atlantic Ocean off Sandy Hook, New Jersey.

17 October

 * SS Botnia (1901) (🇳🇴 Norway): World War I: The cargo ship struck a mine and sank in the White Sea 10 nmi north of Gorodetsky, Russia (67.8°N, 41.08333°W). Her crew survived.
 * SS Edam (1901) (🇳🇴 Norway): World War I: The cargo ship was sunk 45 nmi west by south of the Feie Lighthouse by SMU U-43 (Germany) . Her crew survived.
 * SS Midsland ( undefined): World War I: The cargo ship was scuttled at Bruges, West Flanders, Belgium. She was raised in 1920, repaired and returned to service.
 * ITALIAN DESTROYER Nembo : World War I: The destroyer was torpedoed and sunk in the Adriatic Sea by SMU U-16 (Austria-Hungary).
 *  Pacific (🇳🇱 Netherlands): The schooner was abandoned in the North Sea. Her crew were rescued by the trawler Anna Josens (🇳🇱 Netherlands).
 *  Selina Mary ( undefined): The ketch struck a rock an foundered in the Bristol Channel off Ilfracombe, Devon. Her crew survived.
 * SS Sten (1879) (🇳🇴 Norway): World War I: The cargo ship was sunk in the North Sea off the Farne Islands, United Kingdom (57°N, 4.03333°W) by SMU UB-35 . Her crew survived.
 * SM U-16 : World War I: The Type UB I submarine was sunk in a battle with ITALIAN DESTROYER Nembo ( and SS Bormida ( undefined) with the loss of eleven of her thirteen crew.

18 October

 * SS Athene (1914) (🇳🇴 Norway): World War I: The cargo ship was sunk in the North Sea 10 nmi south west by west of Hvidingsö by SMU U-32 (Germany) . Her crew survived.
 * SS Ethel Duncan (1912) ( undefined): World War I: The collier was torpedoed and sunk in the Atlantic Ocean 40 nmi west north west of Noop Head, Orkney Islands (59.41667°N, -4.6°W) by SMU U-20 (Germany) . Her crew survived.
 *  Greta (🇸🇪 Sweden): World War I: The barque was sunk in the Skaggerak 9 nmi off the Hirtshals Lighthouse, Nordjylland, Denmark (57.78333°N, 9.93333°W) by SMU U-71 . Her crew survived.

19 October

 * RMS Alaunia (1913) ( undefined): World War I: The troopship struck a mine and sank in the English Channel off Hastings, East Sussex with the loss of two lives.
 * Cottica (🇳🇴 Norway): World War I: The sailing vessel was sunk in the North Sea (56.68333°N, 2.93333°W) by SMU UB-35 . Her crew survived.
 * RUSSIAN TRANSPORT Czarita : World War I: The cargo ship was sunk in the Black Sea off Cape Midia, Romania (44.51667°N, 29.26667°W) by SMU UB-42.
 * SS Dido (1879) (🇳🇴 Norway): World War I: The coaster was scuttled in the North Sea by SMU UB-35 . Her crew survived.
 *  Fritz Emil (🇩🇰 Denmark): World War I: The schooner was scuttled in the North Sea 130 nmi west of Lindesnes, Vest-Agder, Norway by SMU UC-20 . Her crew survived.
 * Guldaas (🇳🇴 Norway): World War I: The sailing vessel was sunk in the North Sea (56.68333°N, 2.93333°W) by SMU UB-35 . Her crew survived.
 * Jug ( undefined): World War I: The ship was sunk by SMU UC-25.
 * SS Mercur (1884) (🇸🇪 Sweden): World War I: The cargo ship was sunk in the Skaggerak 10 nmi east of the Skagen Lightship (🇩🇰 Denmark) by SMU U-71 . Her crew survived.
 * SS Normandie (1905) (🇸🇪 Sweden): World War I: The cargo ship was scuttled in the North Sea 20 nmi west north west of the Vinga Lighthouse by SMU U-71.
 * SS Penylan (1906) ( undefined): World War I: The collier was torpedoed and sunk in the Mediterranean Sea 5 nmi west by north of Cape Bougaroni, Algeria (37.11667°N, 6.43333°W) by SMU U-39 . Her crew survived.

20 October

 * SS Barbara (1897) ( undefined): World War I: The cargo ship was shelled and sunk in the English Channel 25 nmi south of the Isle of Wight (50.3°N, -1.33333°W) by SMU UB-40 . Her crew survived.
 * SS Cabotia (1900) ( undefined): World War I: The cargo ship was shelled and sunk in the Atlantic Ocean 120 nmi west north west of Tory Island, County Donegal (55.26667°N, -11.26667°W) by SMU U-69 with the loss of 32 crew.
 * SS Cliburn (1916) ( undefined): World War I: The coaster was scuttled in the English Channel 30 nmi off St. Catherine's Point, Isle of Wight by SMU UB-18 . Her crew survived.
 * SS Drafn (1912) (🇳🇴 Norway): World War I: The coaster was sunk in the North Sea (57.01667°N, 6.33333°W) by SMU UB-22 . Her crew survived.
 * SS Guldborg (1890) (🇩🇰 Denmark): World War I: The cargo ship was sunk in the North Sea off Coquet Island, Northumberland, United Kingdom (57.33333°N, 3.38333°W) by SMU UB-35 . Her crew survived.
 * SS Huguenot (1892) ( undefined): World War I: The cargo ship struck a mine and sank in the North Sea 4 nmi north east of the Sunk Lightship (51.92917°N, 1.675°W). Her crew survived.
 * RUSSIAN BATTLESHIP Imperatritsa Mariya : The caught fire, exploded and sank at Sevastopol with the loss of 228 of her 1,213 crew. She was refloated on 18 May 1918 and scrapped in 1926.
 *  James B. Colgate (🇺🇸 United States): The cargo ship sank in Lake Erie with the loss of all but one off her crew.
 *  Lekna (🇸🇪 Sweden): World War I: The barquentine was sunk in the North Sea (55.66667°N, -0.16667°W) by SMU UB-21 . Her crew survived.
 *  Libra (🇩🇰 Denmark): World War I: The schooner was sunk in the North Sea (57.21667°N, 2.78333°W) by SMU UB-35 . Her crew survived.
 * SS Midland (1913) ( undefined): World War I: The cargo ship was scuttled in the English Channel 60 nmi east of Ouessant, Finistère, France (48.91667°N, -3.76667°W) by SMU UB-39 . Her crew survived.
 * SS Mombassa (1889) ( undefined): World War I: The cargo ship was torpedoed and sunk in the Mediterranean Sea 8 nmi north west by west of Cape Corbelin, Algeria (37°N, 4.16667°W) by SMU U-39 with the loss of a crew member.
 * Rakni (🇳🇴 Norway): World War I: The sailing vessel was sunk in the North Sea by SMU UB-21 . Her crew survived.
 * SS Secundo (1899) (🇳🇴 Norway): World War I: The cargo ship was sunk in the English Channel 25 nmi north of the Triagoz Lighthouse, Finistère (49.18333°N, -3.9°W) by SMU UB-39 . Her crew survived.
 *  Svartvik (🇸🇪 Sweden): World War I: The brig was sunk in the North Sea by SMU UB-21 . Her crew survived.
 * SS The Duke (1890) ( undefined): World War I: The coaster was shelled and sunk in the English Channel 40 nmi north north east of Cap la Hève, Seine-Maritime, France by SMU UB-18 . Her crew survived.
 * SS The Marchioness (1899) ( undefined): World War I: The coaster was shelled and sunk in the English Channel 30 nmi off Fécamp, Manche by SMU UB-18 . Her crew survived.

21 October

 * Antoinette (🇸🇪 Sweden): World War I: The sailing vessel was sunk in the Skaggerak by SMU UB-22.
 *  August (🇸🇪 Sweden): World War I: The barque was sunk in the Baltic Sea of the Finngrundet Lightship (🇸🇪 Sweden) by SMU UB-30 . Her crew survived.
 *  Brizeux (🇫🇷 France): World War I: The barque was sunk in the English Channel 12 nmi north north west of the Casquets, Channel Islands (49.85°N, -2.8°W) by SMU UB-18 . Her crew survived.
 * Cock O' the Walk ( undefined): World War I: The sailing vessel was shelled and sunk in the English Channel 30 nmi north north west of the Les Hanois Lighthouse, Guernsey, Channel Islands (49.7°N, -3.08333°W) by SMU UB-40 . Her crew survived.
 *  Condor (🇫🇷 France): World War I: The barque was sunk in the English Channel 10 nmi north west of the Casquets by SMU UB-18 . Her crew survived.
 * SS Fart III (🇳🇴 Norway): World War I: The coaster was sunk in the English Channel 25 nmi south south west of Beachy Head, East Sussex, United Kingdom by SMU UB-29 . Her crew survived.
 * SS Fortuna (🇳🇱 Netherlands): The cargo ship foundered in the English Channel with some loss of life.
 * SS Fulvio (1909) (🇳🇴 Norway): World War I: The coaster was sunk in the English Channel 12 nmi north north west of the Casquets by SMU UB-18 . Her crew survived.
 * Grit ( undefined): World War I: The barge was shelled and sunk in the English Channel 25 nmi south of Beachy Head by SMU UB-29 . Her crew survived.
 * SS Grønhaug (1890) (🇳🇴 Norway): World War I: The coaster was sunk in the North Sea (55.65°N, 0.95°W) by SMU UB-21 . Her crew survived.
 * SS Hebe (1907) (🇩🇰 Denmark): World War I: The coaster was sunk in the Atlantic Ocean 12 nmi nort west of Aber Wrac'h, Finistère, France by SMU UB-39 . Her crew survived.
 * SS Helga (1897) (🇩🇰 Denmark): World War I: The cargo ship was sunk in the Atlantic Ocean 10 nmi north west of the Île de Batz, Finistère by SMU UB-39 . Her crew survived.
 * SS James B. Colgate (🇺🇸 United States): The cargo ship foundered in Lake Erie with the loss of all but one of her crew.
 *  Julia (🇫🇷 France): World War I: The schooner was sunk in the Atlantic Ocean 15 nmi north of the Le Four Lighthouse, Finistère by SMU UB-23.
 * SS Marshall F. Butters (🇺🇸 United States): The cargo ship foundered in Lake Erie with the loss of all but one of her crew.
 * Merida (🇺🇸 United States): The cargo ship foundered in Lake Erie.
 * Princess May ( undefined): World War I: The ketch was scuttled in the English Channel 25 nmi south of Beachy Head by SMU UB-29 . Her crew survived.
 * SS Rabbi (1904) (🇳🇴 Norway): World War I: The coaster was sunk in the English Channel north west of the Casquets (49.78333°N, -2.5°W) by SMU UB-18 . Her crew survived.
 * SS Raftsund (1913) (🇳🇴 Norway): World War I: The coaster was sunk in the North Sea 70 nmi south west of Stavanger, Rogaland (58.33333°N, 2.7°W) by SMU UB-35 . Her crew survived.
 * SS Rønnaug (1883) (🇳🇴 Norway): World War I: The cargo ship was sunk in the Skaggerak 8 to 10 nmi off Risør, Aust-Agder (58.65°N, 10.06667°W) by SMU U-71 . Her crew survived.
 * SS Snestad (1907) (🇳🇴 Norway): The cargo ship was sunk in the Atlantic Ocean 10 nmi north north west of the Île Vierge Lighthouse, Finistère by SMU UB-23 . Her crew survived.
 * Theodor (🇳🇴 Norway): World War I: The cargo ship was sunk in the North Sea (56.58333°N, 3.5°W) by SMU UB-22 . Her crew survived.
 * SS Ull (1911) (🇳🇴 Norway): World War I: The cargo ship was sunk in the North Sea 70 nmi east by north of Rattray Head, Aberdeenshire, United Kingdom (57.8°N, 0.05°W) by SMU UB-34 . Her crew survived.
 * William and Emma (RNLI FLAG.png Royal National Lifeboat Institution): The lifeboat was wrecked at Salcombe, Devon with the loss of thirteen of her fifteen crew.

22 October

 * SS Alix (1889) (🇳🇴 Norway): World War I: The cargo ship was torpedoed and sunk in the English Channel 15 nmi west of the Triagoz Lighthouse (49.16667°N, -3.66667°W) by SMU UB-39 . Her crew survived.
 * SS Caerloch (1882) (🇳🇴 Norway): World War I: The coaster was sunk in the North Sea (56°N, 1.6°W) by SMU UB-22 . Her crew survived.
 * SS Cluden (1896) ( undefined): World War I: The cargo ship was torpedoed and sunk in the Mediterranean Sea 11 nmi west of Cape Ténès, Algeria (36.55°N, 1.23333°W) by SMU U-39 with the loss of four crew.
 * Effort ( undefined): World War I: The trawler was shelled and sunk in the North Sea 30 nmi east north east of Buchan Ness, Aberdeenshire by SMU UB-34 . Her crew survived.
 * HMT Fame : The naval trawler was lost on this date.
 * SS Fortuna (1912) (🇳🇱 Netherlands): World War I: The cargo ship struck a mine and sank in the English Channel 7.5 nmi west by south of Beachy Head, East Sussex (50.68333°N, -0.26667°W).
 * SS Georges M. Embiricos (1904) (🇬🇷 Greece): World War I: The cargo ship was sunk in the English Channel 18 nmi south east of The Lizard, Cornwall, United Kingdom (49.83333°N, -4.66667°W) by SMU UB-29.
 *  Gunn (🇳🇴 Norway): World War I: The barque was sunk in the North Sea (56.18333°N, 2.28333°W) by SMU UB-22 . Her crew survived.
 *  London (🇩🇰 Denmark): World War I: The schooner was sunk in the North Sea (55.93333°N, 1.6°W) by SMU UB-21 . Her crew survived.
 * Maris Stella (🇫🇷 France): World War I: The sailing vessel was sunk in the English Channel 5 nmi north of Île Vierge, Finistère by SMU UB-40 . Her crew survived.
 * SS Nina (1897) ( undefined): World War I: The cargo ship was sunk in the Mediterranean Sea 10 nmi west of Cape Ténès (36.46667°N, 0.93333°W) by SMU U-39 . Her crew survived.
 * SS Ravn (1907) (🇳🇴 Norway): World War I: The coaster was sunk in the Mediterranean Sea 16 nmi north west of the Cape Ténès Lighthouse by SMU U-39 . Her crew survived.
 * SS Risøy (1909) (🇳🇴 Norway): World War I: The cargo ship was sunk in the Atlantic Ocean 15 nmi north of Ouessant, Finistère (48.75°N, -5.08333°W) by SMU UB-40 . Her crew survived.
 * SS Theodosi Tschernigowski (1884) ( undefined): World War I: The cargo ship was sunk in the Baremts Sea off Vaidaguada by SMU U-56 . Her crew survived.
 * Thor (🇳🇴 Norway): World War I: The auxiliary sailing vessel was scuttled in the North Sea 125 nmi east of Grimsby, Lincolnshire, United Kingdom (55.85°N, 2.15°W) by SMU UB-21 . Her crew survived.
 * SS W. Harkness (1874) ( undefined): World War I: The cargo ship was scuttled in the Mediterranean Sea 17 nmi off Cape Ténès (36.53333°N, 1°W) by SMU U-39 . Her crew survived.

23 October

 *  Alf (🇩🇰 Denmark): World War I: The schooner was sunk in the Bay of Biscay west of L'Orient, Morbihan, France (47.58333°N, -4.03333°W) by SMU UB-23 . Her crew survived.
 * Antoine Alloisa (🇫🇷 France): World War I: The fishing vessesl was sunk in the English Channel by SMU UB-23.
 * SS Arromanches (1903) (🇫🇷 France): World War I: The cargo ship was sunk in the Atlantic Ocean south of Ireland by SMU U-20 (Germany).
 * SS Bayreaulx (1895) ( undefined): World War I: The cargo ship was sunk in the Atlantic Ocean (50.45°N, -11.4°W) by SMU U-63 (Germany) with the loss of all 23 crew.
 * SS Chieri (1911) ( undefined): World War I: The cargo ship was sunk in the Atlantic Ocean south of Ireland (49.25°N, -8.2°W by SMU U-20 (Germany).
 * Elly (🇸🇪 Sweden): World War I: The ship was sunk in the Gulf of Bothnia off Mäntyluoto, Finland by SMU UB-30 . Her crew survived.
 *  Felix Lewis (🇫🇷 France): World War I: The three-masted schooner was sunk in the Atlantic Ocean 120 nmi south west of the Bishop Rock, Isles of Scilly, United Kingdom by SMU U-20 (Germany).
 * HMS Genista (1916) : World War I: The Arabis-class sloop was sunk in the Atlantic Ocean west of Ireland (51.43333°N, -13.16667°W) by SMU U-57 with the loss of 73 crew.
 * Gladys (🇮🇲 Isle of Man): The ketch foundered in the Irish Sea off Douglas with the loss of all hands.
 *  Regina (🇳🇴 Norway: World War I: The barque was sunk in the North Sea 50 nmi east of Aberdeen, United Kingdom by SMU UB-34 with the loss of two crew.
 * SS Rensfjell (1905) (🇳🇴 Norway): World War I: The cargo ship was sunk in the Barents Sea 24 nmi east of Vardø, Finnmark by SMU U-56 . Her crew survived.
 *  Saint Pierre (🇫🇷 France): World War I: The schooner was shelled and sunk in the Bay of Biscay 6 nmi south of Guilvinec, Finistère (47.75°N, -4.53333°W) by SMU UB-23.
 * SMS T64 : World War I: The S7-class torpedo boat struck a mine and sank in the Baltic Sea.
 *  Tuncurry (🇦🇺 Australia): The coaster sprang a leak and sank off Broken Bay, New South Wales.
 * SS Venus II (1914) (🇳🇴 Norway): World War I: The coaster was sunk in the Bay of Biscay 7 nmi west of Point Penmarc'h, Finistère (47.75°N, -4.53333°W) by SMU UB-23 . Her crew survived.

24 October

 * SS Anna Gurine (1913) (🇳🇴 Norway): World War I: The cargo ship was sunk in the English Channel 30 nmi south of the Longships Lighthouse ( undefined) by SMU UB-29 . Her crew survived.
 * SS Arvid (🇸🇪 Sweden): The cargo ship foundered in the Ålands Sea. Her crew were rescued.
 *  Cannebière (🇫🇷 France): World War I: The barque was sunk in the Atlantic Ocean 20 nmi south south west of the Bishop Rock, Isles of Scilly, United Kingdom (49.53333°N, -6.5°W) by SMU UB-18.
 * SS Clearfield (1909) ( undefined): World War I: The tanker was sunk in the Atlantic Ocean off the Flannan Islands by SMU U-55 with the loss of all 32 crew.
 *  Elin ( undefined): World War I: The schooner was sunk in the Gulf of Bothnia off Rauma, Finland by SMU UB-30.
 * SS Framfield (1894) ( undefined): World War I: The cargo ship struck a mine and sank in the North Sea 3 nmi north east of the Sunk Lightship ( undefined) with the loss of six of her crew.
 * Ingersoll ( undefined): World War I: The sailing vessel was sunk in the Gulf of Bothnia off Rauma by SMU UB-30.
 * Jenny Lind ( undefined): World War I: The sailing vessel was sunk in the Gulf of Bothnia off Rauma by SMU UB-30.
 *  Lobo (🇦🇺 Australia): The barque was wrecked 30 nmi south of Angoche, Portuguese East Africa. Her crew survived.
 * Propontis (🇬🇷 Greece): World War I: The sailing vessel was sunk in the Ionian Sea by SMU U-73.
 * SS Sidmouth (1903) ( undefined): World War I: The cargo ship was torpedoed and sunk in the English Channel 22 nmi south of the Wolf Rock, Cornwall (49.58333°N, -5.73333°W) by SMU UB-29 . Her crew survived.
 * SS Sola (1889) (🇳🇴 Norway): World War I: The cargo ship was sunk in the Atlantic Ocean 82 nmi west of the Bishop Rock, Isles of Scilly, United Kingdom by SMU U-69 . Her crew survived.
 *  Twig ( undefined): World War I: The schooner was scuttled in the English Channel 15 nmi north of Alderney, Channel Islands by SMU UB-37 . Her crew survived.
 * Urpo ( undefined): World War I: The auxiliary sailing vessel was sunk in the Gulf of Bothnia off Rauma by SMU UB-30.

25 October

 * SS Comtesse de Flandre (1906) (🇧🇪 Belgium): World War I: The cargo ship was captured in the English Channel 34 nmi west north west of the Casquets, Channel Islands by SM UB-19 . She was shelled and sunk.
 * SS Dag (1882) (🇳🇴 Norway): World War I: The cargo ship was sunk in the Barents Sea 3 nmi off Berlevåg, Finnmark by SMU U-56 . Her crew survived.
 *  Fanny C. Bowen (🇺🇸 United States: The schooner foundered in the Atlantic Ocean. Her crew survived.
 * SS Polceverra (1882) ( undefined): World War I: The cargo ship was sunk in the Mediterranean Sea 30 nmi south east of Santa Maria di Leuca, Apulia (39.9°N, 19.75°W) by SMU U-15 (Austria-Hungary) . Her crew survived.
 * SS Polruan ( undefined): The collier struck a rock and foundered in the North Sea off Whitby, Yorkshire.

26 October

 * HMT Datum : World War I: The naval trawler was sunk by enemy action with some loss of life.
 *  Iduna (🇫🇷 France): World War I: The schooner was scuttled in the English Channel 50 nmi south south west of Start Point, Devon (49.53333°N, -4.38333°W) by SMU UB-19 . Her crew were rescued by SS Garly (🇳🇴 Norway).
 * HMT Lord Roberts : World War I: The naval trawler struck a mine and sank in the North Sea off the Shipwash Lightship ( undefined) (51.92778°N, 1.68333°W) with the loss of nine of her crew.
 * SS Lysland (1886) (🇳🇴 Norway): World War I: The cargo ship was sunk in the North Sea 26 nmi south west of Skudenes, Rogaland by SMU U-30 (Germany) . Her crew survived.
 *  Marina G ( undefined): World War I: The brigantine was sunk in the Strait of Sicily (37.25°N, 11.58333°W) by SMU U-21 (Germany).
 * SS North Wales (1909) ( undefined): World War I: The cargo ship was torpedoed and sunk in the Atlantic Ocean south west of the Isles of Scilly by SMU U-69 with the loss of all 30 crew.
 * SS Oola (1891) ( undefined): World War I: The collier was scuttled in the Barents Sea 25 nmi north east by north of North Cape, Norway (70.5°N, 26.4°W) by SMU U-56 . Her crew survived.
 * SS Pan (1903) (🇳🇴 Norway): World War I: The coaster was shelled and sunk in the English Channel 7 nmi north of the Casquets, Channel Islands (49.9°N, -2.33333°W) by SMU UB-18 . Her crew survived.
 * SS Rappahannock (1893) ( undefined): World War I: The cargo ship was sunk in the Atlantic Ocean 70 nmi off the Isles of Scilly by SMU U-69 with the loss of 37 crew.
 * HMT Roburn : World War I: The naval trawler was sunk in the Strait of Dover by Kaiserliche Marine torpedo boat destroyers with some loss of life.
 * SS Rowanmoor (1900) ( undefined): World War I: The cargo ship was torpedoed and sunk in the Atlantic Ocean 128 nmi west north west of the Fastnet Rock (51.5°N, -12.96667°W) by SMU U-57 . Her crew survived, but her captain was taken as a prisoner of war.
 *  Saint Yves (🇫🇷 France): World War I: The schooner was sunk in the Bay of Biscay west of Belle Île, Morbihan by SMU UB-23.
 * TSS The Queen ( undefined): World War I: The passenger ship was captured in the North Sea (50.9°N, 1.31667°W) by SMS V80. She was torpedoed and sunk by SMS S60 (both ).
 * Titan ( undefined): World War I: The trawler was shelled and sunk in the North Sea 74 nmi north east of the Longstone Lighthouse, Northumberland by SMU UB-34 . Her crew survived.
 *  Valborg (🇩🇰 Denmark): World War I: The cargo ship was sunk in the Mediterranean Sea west of Algiers, Algeria (37.51667°N, 4.83333°W) by SMU U-34 (Germany) . Her crew survived.

27 October

 * HMT Ajax II : The naval trawler was lost on this date.
 * FRENCH TRAWLER Blanc Nez : World War I: The naval trawler struck a mine and sank in the Strait of Dover with the loss of seventeen of her crew.
 * SS Bygdø (1887) (🇳🇴 Norway): World War I: The cargo shp struck a mine and sank in the North Sea (52.38333°N, 1.78333°W). Her crew survived.
 * Ellen (🇸🇪 Sweden): World War I: The sailing vessel was sunk in the North Sea by SMU U-58 . Her crew survived.
 * HMS Flirt (1897) : World War I: Battle of Dover Strait: The Star-class destroyer was torpedoed and sunk in the Strait of Dover by Kaiserliche Marine torpedo boat destroyers.
 * HMT Gleaner of the Sea : The naval trawler was lost on this date.
 * HMT Launch Out : The naval trawler was lost on this date.
 * HMS Nubian (1909) : Battle of Dover Strait: The Tribal-class destroyer was torpedoed and damaged by a Kaiserliche Marine destroyer and was beached. She was subsequently salvaged, with her stern section being joined to the bow section of HMS Zulu (1909), the new ship being named HMS Zubian.
 * Sabine (🇫🇷 France): The ketch was driven ashore at St. Sampson's, Guernsey, Channel Islands and was wrecked. Her crew were rescued by the pilot boat Stork ( undefined).
 * SS Sif (1914) (🇩🇰 Denmark): World War I: The coaster was sunk in the North Sea (55.5°N, -0.46667°W) by SMU UB-22 . Her crew survived.
 * HMT Waveney II : World War I: Battle of Dover Strait: The naval trawler was sunk in the Strait of Dover by Kaiserliche Marine torpedo boat destroyers.
 * HMT Spotless Prince : World War I: The naval trawler was torpedoed and sunk in the Strait of Dover by a Kaiserliche Marine torpedo boat destroyer.
 * SS Stemshest (1904) (🇳🇴 Norway): World War I: The coaster was sunk in the North Sea (56.46667°N, 3.25°W) by SMU UB-35 . Her crew survived.
 * HMS Zulu (1909) : World War I: The Tribal-class destroyer struck a mine and was damaged in the English Channel off Dover. Her bow section was salvaged and joined to the stern section of HMS Nubian (1909), the new ship being named HMS Zubian.

28 October

 * SS Angeliki (🇬🇷 Greece): World War I: The passenger ship was torpedoed and sunk in the Aegean Sea 3 nmi off Faliro with the loss of about 50 of the 400-plus people on board. Survivors were rescued by a Greek merchant ship and a French Navy destroyer.
 *  ( undefined): World War I: The hospital ship struck a mine at Le Havre, Seine-Maritime, France (43.81667°N, 0.08333°W) with the loss of 19 lives and was beached. She was declared a total loss.
 * HMT Bradford : The naval trawler was lost on this date.
 * SS Germaine (1898) (🇬🇷 Greece): World War I: The cargo ship was sunk in the Mediterranean Sea 8 nmi off Cape San Antonio, Spain (39°N, -0.66667°W) by SMU U-34 (Germany).
 * Gilda R ( undefined): World War I: The sailing vessel was sunk in the Mediterranean Sea south east of Corsica, France by SMU U-21 (Germany).
 * RUSSIAN DESTROYER Kazanets : World War I: The Ukraina-class destroyer struck a mine and sank in the Baltic Sea off Osmussaar, Estonia.
 * SS Lanao (1912) (🇺🇸 United States): World War I: The coaster was sunk in the Atlantic Ocean 30 nmi off Cape St. Vincent, Portugal (36.75°N, -8.41667°W) by SMU U-63 (Germany) . Her crew survived.
 * SS Marina (1900) ( undefined): World War I: The cargo ship was torpedoed and sunk in the Atlantic Ocean 30 nmi west of the Fastnet Rock by SMU U-55 with the loss of eighteen crew.
 * SS Rio Pirahy (1901) ( undefined): World War I: The cargo ship was scuttled in the Atlantic Ocean 60 nmi south of Cape St. Vincent by SMU U-63 (Germany) . Her crew survived.
 *  Saint Charles (🇫🇷 France): World War I: The schooner was sunk in the English Channel (48.61667°N, -5.16667°W) by SMU UB-29 . Her crew survived.
 * SS Selene (1903) ( undefined): World War I: The cargo ship was sunk in the Atlantic Ocean 30 nmi south east of Cape Santa María, Portugal by SMU U-63 (Germany) . Her crew survived.
 * SS Sparta (1882) ( undefined): World War I: The cargo ship struck a mine and sank in the North Sea with the loss of four of her crew.
 * HMT Speedwell V : The naval trawler was driven onto the Splaugh Rock, in the Irish Sea, and sank with the loss of all ten crew.
 * SS Torsdal (1894) (🇳🇴 Norway): World War I: The cargo ship was sunk in the Atlantic Ocean 25 nmi off Cape St. Vincent by SMU U-63 (Germany) . Her crew survived.
 *  Tre Fratelli D ( undefined): World War I: The brigantine was sunk in the Mediterranean Sea south east of Corsica (41.43333°N, 9.7°W) by SMU U-21 (Germany).

29 October

 * SS Falkefjell (1883) (🇳🇴 Norway): World War I: The cargo ship was sunk in the North Sea (55.7°N, 1.03333°W) by SMU UB-22 . Her crew survived.
 *  Maria Therese (🇫🇷 France): World War I: The auxiliary schooner was scuttled in the Mediterranean Sea 20 nmi south of the Columbretes Islands, Spain (39.58333°N, 0.68333°W) by SMU U-34 (Germany) . Her crew survived.
 * SS Massalia (1888) (🇬🇷 Greece): World War I: The cargo ship was sunk in the Atlantic Ocean 135 nmi west of Gibraltar by SMU U-63 (Germany) . Her crew survived.
 * SS Meroë (1911) ( undefined): World War I: The cargo liner was torpedoed and sunk in the Atlantic Ocean 70 nmi west of Cape Trafalgar, Spain (36°N, -7.58333°W) by SMU U-63 (Germany) . Her crew survived.
 * SS Torino (1895) ( undefined): World War I: The cargo ship was torpedoed and sunk in the Atlantic Ocean 70 nmi west of Cape Trafalgar (36°N, -7.66667°W) by SMU U-63 (Germany) with the loss of a crew member.
 *  Western Lass ( undefined): The schooner was driven ashore at Horsey, Norfolk and was wrecked.
 * SS Zumaya (🇪🇸 Spain): The cargo ship foundered in the Atlantic Ocean 3 nmi off Salvora with the loss of all but one of her crew.

30 October

 * Floreal ( undefined: World War I: The trawler was scuttled in the Atlantic Ocean 20 nmi north by west of the Flannan Islands by SMU U-57 . Her crew survived.
 * OTTOMAN DESTROYER Gayret-i-Vataniye : The S165-class destroyer was beached at Varna, Bulgaria.
 * SS Marquis Bacquehem (1893) ( undefined: World War I: The cargo ship was torpedoed and sunk in the Atlantic Ocean 50 nmi south by east of Cape St. Vincent, Portugal by SMU U-32 (Germany) . Her crew survived.
 * Nellie Bruce ( undefined): World War I: The trawler was shelled and sunk in the Atlantic Ocean off Beru Fjord, Iceland by SMU U-24 . Her crew survived.
 * FRENCH TRAWLER Saint Hubert : World War I: The naval trawler struck a mine and sank in the English Channel 1 nmi north west of Cherbourg, Seine-Maritime with the loss of sixteen of her crew.
 * SS Vertunno (1893) ( undefined: World War I: The cargo ship was sunk in the Atlantic Ocean west of Gibraltar (36.56667°N, -8.78333°W) by SMU U-32 (Germany) . Her crew survived.

31 October

 * HMS Adriatic : The collier departed Newport, Monmouthshire for Marseille, Bouches-du-Rhône, France. No further trace, presumed lost in the Atlantic Ocean with the loss of all hands.
 * SS Delto (1908) (🇳🇴 Norway): World War I: The cargo ship was sunk in the Mediterranean Sea (37.16667°N, 0.16667°W) by SMU U-63 (Germany) . Her crew survived.
 * SS Fedelta (1877) ( undefined}): World War I: The cargo ship was sunk in the Mediterranean Sea 12 nmi west of Cape Palos, Murcia, Spain by SMU U-63 (Germany) . Her crew survived.
 * SS Glenlogan (1896) ( undefined): World War I: The cargo ship was torpedoed and sunk in the Mediterranean Sea 10 nmi south east of Stromboli, Italy (38.76667°N, 15.36667°W) by SMU U-21 (Germany) . Her crew survived.
 * SS Kiki Issaias (1894) (🇬🇷 Greece): World War I: The cargo ship struck a mine and sank in the Mediterranean Sea off Fleves. Her crew survived.
 * SS Saturn (1904) (🇳🇴 Norway): World War I: The cargo ship was sunk in the Atlantic Ocean 60 nmi north of the Shetland Islands (60.06667°N, -5.11667°W) by SMU U-57 . Her crew survived.
 *  Tridonia ( undefined): The barque was driven ashore at Oxwich Point, Glamorgan with the loss of three of her crew.

Unknown date

 * Fuschia ( undefined): World War I: The trawler was sunk in the North Sea by enemy action. Her crew were taken as prisoners of war.
 * OTTOMAN DESTROYER Gairet-i-Watanije : The S165-class destroyer ran aground in the Black Sea off Balchik, Bulgaria at the end of October and was wrecked.
 * Jönköping (🇸🇪 Sweden): World War I: The sailing vessel was sunk in the Gulf of Finland off Rauma, Finland by SMU U-22 (Germany) . Her crew survived.
 * SS Kathinka (🇳🇴 Norway): World War I: The cargo ship was sunk by enemy action.
 *  Tweed ( undefined): World War I: The schooner was sunk by enemy action.