List of shipwrecks in February 1917

The list of shipwrecks in February 1917 includes some ships sunk, foundered, grounded, or otherwise lost during February 1917.

1 February

 * Ada ( undefined) World War I: The fishing smack was scuttled in the Atlantic Ocean 40 nmi north north west of Trevose Head, Cornwall by SMU U-55 . Her crew survived.
 * SS Butron (1892) (🇪🇸 Spain): World War I: The cargo ship was scuttled in the Bay of Biscay 90 nmi off Punta Galea, Biscay (44.88333°N, -3.86667°W) by SMU U-67 . Her crew survived.
 * SS Essonite (1904) ( undefined): World War I: The coaster was torpedoed and sunk in the Atlantic Ocean 3 nmi north north west of Trevose Head (50.58333°N, -5.06667°W) by SMU U-55 with the loss of ten crew.
 * SS Gamma (1900) (🇳🇱 Netherlands): World War I: The cargo ship was torpedoed and sunk in the Atlantic Ocean off Land's End, Cornwall (51.13333°N, -6.93333°W) by SMU UC-45 . Her crew were rescued by SS Vondel (🇳🇱 Netherlands).
 * ST Ida Duncan ( undefined): The tug foundered in Tees Bay with the loss of six of her crew.
 * HM ARMED SMACK Inverlyon ( undefined): World War I: The fishing smack was shelled and sunk in the Atlantic Ocean 15 nmi north by west of Trevose Head (50.78333°N, -5.08333°W) by SMU U-55 . Her crew survived.
 * SS Jerv (1906) (🇳🇴 Norway): World War I: The cargo ship was torpedoed and sunk in the North Sea 10 nmi north of Flamborough Head, Yorkshire, United Kingdom (54.26667°N, 0.15°W) by SMU UC-32 . Her crew survived.
 * SS Portia (1911) (🇳🇴 Norway): World War I: The cargo ship struck a mine and sank in the North Sea off Flamborough Head (53.75°N, 0.31667°W). Her crew survived.
 * SS Sainte Hélène (1893) (🇫🇷 France): World War I: The cargo ship struck a mine and sank in the Bay of Biscay 2 nmi off the La Coubre Lighthouse, Charente-Maritime. Her crew survived.

2 February

 * HMT Cotsmuir (1915) : The naval trawler foundered in the North Sea with teh loss of all thirteen crew.
 * SS Elikon (1883) (🇬🇷 Greece): World War I: The cargo ship was sunk in the Atlantic Ocean west of Cape Penas, Spain (43.73333°N, -6.26667°W) by SMU U-67 . Her crew survived.
 * SS Gabrielle (1911) (🇫🇷 France): World War I: The cargo ship ws sunk in the English Channel 25 nmi west north west of Cap d'Antifer, Seine-Maritime by SMU UB-23.
 *  Garnet Hill ( undefined): World War I: The four-masted barque was scuttled in the Atlantic Ocean off the coast of Ireland (51.16667°N, -11.66667°W) by SMU U-45 . A German crew member was taken on board U-45.
 * HMT G.S.P. : The naval trawler was lost on this date.
 * HMT Holdene : World War I: the naval trawler struck a mine and sank in the North Sea east of the Shipwash Lightship ( undefined) (52.01667°N, 1.9°W) with the loss of seven of her crew.
 *  Isle of Arran ( undefined): World War I: The full-rigged ship was scuttled in the Atlantic Ocean 100 nmi south of the Old Head of Kinsale, County Cork (50.25°N, -7.08333°W) by SMU UC-45 . Her crew survived.
 * Loch Broom ( undefined): The four-masted barque was sunk by German submarine SMU U-81 at 50.16667°N, -10.16667°W
 * SS Odin (1898) (🇳🇴 Norway): World War I: The cargo ship was sunk in the Atlantic Ocean 20 nmi north of the Créac'h Lighthouse, Ouessant, Finistère, France by SMU U-53 with the loss of two crew.
 *  Pomoschnick ( undefined): World War I: The brigantine was scuttled in the Atlantic Ocean 50 nmi south west of the Fastnet Rock by SMU U-55 . Her crew survived.
 *  Songdal (🇳🇴 Norway): World War I: The four-masted barque was scuttled in the Atlantic Ocean south west of Ireland (50.16667°N, -10.25°W) by SMU U-81 . Her crew survived.

3 February

 *  Belford ( undefined): World War I: The full-rigged ship was scuttled in the Atlantic Ocean 110 nmi west of the Fastnet Rock (50.56667°N, -12.26667°W) by SMU U-45 . Her crew survived.
 * Confiante (🇫🇷 France): Woprld War I: The sailing vessel was sunk in the English Channel 16 nmi north of the Île de Batz, Finistère (49.06667°N, -4.16667°W) by SMU UB-18 . Her crew survived.
 * SS Eavestone (1912) ( undefined): World War I: The collier was shelled and sunk in the Atlantic Ocean 95 nmi west of the Fastnet Rock (approximately 51°N, -12°W) by SMU U-45 with the loss of five crew.
 *  Goeland (🇫🇷 France): World War I: The schooner was sunk in the English Channel 6 nmi off Triagoz, Côtes-du-Nord (49.06667°N, -4.16667°W) by SMU UB-18.
 * SS Hollinside (1905) ( undefined): World War I: The cargo ship was torpedoed and sunk in the Atlantic OCean 115 nmi west south west of the Fastnet Rock by SMU U-43 (Germany) with the loss of a crew member.
 * SS Housantonic (1891) (🇺🇸 United States): World War I: The cargo ship was sunk in the Atlantic Ocean 20 nmi south of the Bishop Rock, Isles of Scilly, United Kingdom (49.58333°N, -6.13333°W) by SMU U-53 . Her crew survived.
 * SS Lars Kruse (1898) (🇩🇰 Denmark): World War I: The cargo ship was sunk in the Atlantic Ocean 16 nmi north of Ouessant by SMU UB-18 with the loss of seventeen crew.
 * SS Port Adelaide (1911) ( undefined): World War I: The cargo ship was torpedoed and sunk in the Atlantic Ocean 180 nmi south west of the Fastnet Rock (48.81667°N, -11.66667°W) by SMU U-81 . Her crew survived, but her captain was taken as a prisoner of war.
 * Sainte Marie (🇫🇷 France): World War I: The sailing vessel was sunk in the English Channel 12 nmi north of the Île de Batz by SMU UB-18.
 *  Songelv (🇳🇴 Norway): World War I: The full-rigged ship was sunk in the Atlantic Ocean west south west of the Fastnet Rock (50.33333°N, -11.16667°W) by SMU U-43 (Germany) . Her crew survived.
 * Tamara (🇳🇴 Norway): World War I: The sailing vessel was sunk in the Atlantic Ocean 100 nmi west south west of the Fastnet Rock (50.43333°N, -12.25°W) by SMU U-54 . Her crew survived.
 *  Wasdale (🇳🇴 Norway): World War I: The full-rigged ship was sunk in the Atlantic Ocean west south west of the Fastnet Rock (50.36667°N, -11.88333°W) by SMU U-43 (Germany) . Her crew survived.

4 February

 *  Aimée Maria (🇫🇷 France): World War I: The barque was sunk in the Atlantic Ocean off the Isles of Scilly, United Kingdom (49.45°N, -6.66667°W) by SMU U-53 . Her crew survived.
 *  Anna Maria (🇫🇷 France): World War I: The barquentine was sunk in the English Channel (49.61667°N, -5.16667°W) by SMU U-83 . Her crew survived.
 * Bangphutis ( undefined): World War I: The sailing vessel was sunk in the Atlantic Ocean south west of the Isles of Scilly (49.58333°N, -6.41667°W) by SMU U-53.
 * SS Cerera (1898) ( undefined): World War I: The cargo ship was sunk in the Atlantic Ocean 30 nmi north of the Stiff Lighthouse, Ouessant, Finistère, France by SMU UB-18.
 *  Coquette (🇫🇷 France): World War I: The topsail schooner was sunk in the English Channel 28 nmi south of The Lizard, Cornwall, United Kingdom by SMU U-83.
 * SS Dauntless (1897) ( undefined): World War I: The cargo ship was scuttled in the Bay of Biscay 10 nmi off Pointe de la Coubre, Gironde, France (45.6°N, -1.16667°W) by SMU UB-39 with the loss of fifteen crew. Four survivors were rescued by the fishing vessel Mamelena (🇪🇸 Spain).
 * SS Eridania (1892) ( undefined) World War I: The cargo ship was sunk in the Atlantic Ocean 96 nmi south west of the Fastnet Rock by SMU U-45 . Her crew survived.
 * SS Floridian (1913) ( undefined): World War I: The cargo ship was torpedoed and sunk in the Atlantic Ocean 200 nmi west by north of the Fastnet Rock (50.7°N, -14.65°W) by SMU U-54 with the loss of five crew. Three survivors were taken as prisoners of war.
 * SS Ghazee (1904) ( undefined): World War I: The cargo ship was torpedoed and damaged in the Atlantic Ocean 2 nmi south south west of Galley Head, County Cork by SMU U-60 . She was beached but was declared a total loss. Her crew survived.
 *  Maria ( undefined): World War I: The barque was sunk in the Atlantic Ocean 150 nmi south west of the Fastnet Rock (49.66667°N, -11.83333°W) by SMU U-81.
 *  Marthe (🇫🇷 France): World War I: The schooner was scuttled in the Atlantic Ocean 18 nmi south south east of the Isles of Scilly (49.7°N, -6°W) by SMU UC-45 . Her crew survived.
 * SS Palm Leaf (1916) ( undefined): World War I: The tanker was torpedoed and sunk in the Atlantic Ocean 230 nmi west of the Fastnet Rock (approximately 51°N, -15°W) by SMU U-54 . Her crew survived, but two of them were taken as prisoners of war.
 * SS Solbakken (1895) (🇳🇴 Norway): World War I: The cargo ship was scuttled in the Atlantic Ocean 60 nmi south west of Ouessant by SMU UC-24 with the loss of fifteen of her crew.
 *  Thor II (🇳🇴 Norway): World War I: The barque was torpedoed and sunk in the Atlantic Ocean 80 nmi west of Ireland (50.3°N, -11.8°W) by SMU U-45 . Her crew survived, three people were rescued by U-45.
 * SS Turino (1914) ( undefined): World War I: The cargo ship was torpedoed and sunk in the Atlantic Ocean 174 nmi west of the Fastnet Rock (50.41667°N, -13.83333°W) by SMU U-43 (Germany)  with the loss of four crew.

5 February

 * Anna Prosper (🇧🇪 Belgium): World War I: The fishing vessel was sunk in the North Sea off the coast of Norfolk, United Kingdom by SMU UB-40.
 * SS Azul (1898) ( undefined): World War I: The cargo ship was torpedoed and sunk in the Atlantic Ocean 180 nmi west of the Fastnet Rock by SMU U-54 with the loss of eleven crew.
 * SS Bravalla (1884) (🇸🇪 Sweden): World War I: The cargo ship was sunk in the Atlantic Ocean off the Isles of Scilly, United Kingdom (49.66667°N, -6.75°W) by SMU U-53 . Her crew survived.
 * Emerald ( undefined): World War I: The fishing vessel was shelled and sunk in the North Sea off Norfolk by SMU UB-40 . Her crew survived.
 * SS Hurstwood (1906) ( undefined): World War I: The cargo ship was torpedoed and sunk in the North Sea 6 nmi north east of Whitby, Yorkshire (54.58333°N, -0.58333°W) by SMU UB-34 with the loss of four of her crew.
 *  Lorton (🇵🇪 Peru): World War I: The barque was scuttled in the Bay of Biscay 11 nmi east of Santander, Cantabria, Spain by SMU U-67 . Her crew survived.
 * SS Lux (1893) ( undefined): World War I: The tanker was sunk in the Atlantic Ocean 50 nmi west of Mizen Head, County Cork by SMU U-60 with the loss of all 29 crew.
 * Primrose ( undefined): World War I: The trawler strruck a mine and sank in the North Sea 17 nmi south south west of Tod Head, Aberdeenshire with the loss of nine of her crew.
 * Resolute ( undefined): World War I: The fishing vessel was shelled and sunk in the North Sea 64 nmi east by south of St Abb's Head, Berwickshire (55.93333°N, -0.25°W) by SMU UB-22 . Her crew survived.
 * SS Vestra (1897) ( undefined): World War I: The cargo ship was sunk in the North Sea (54.76667°N, -1.11667°W) by SMU UB-35 with the loss of two of her crew.
 * SS Warley Pickering (1912) ( undefined): World War I: The cargo ship was torpedoed and sunk in the Atlantic Ocean 46 nmi west by north of the Fastnet Rock by SMU U-60 . Her crew survived.
 * SS Wartenfels (1903) ( undefined): World War I: The cargo ship was torpedoed and sunk in the Atlantic Ocean 120 nmi south west of the Fastnet Rock (50.16667°N, -11.98333°W) by SMU U-81 with the loss of two of her crew. Her captain was taken as a prisoner of war.
 * Yvonne (🇫🇷 France): World World I: The trawler was shelled and sunk in the Bay of Biscay 20 nmi west of Arcachon, Gironde by SMU UB-39 with the loss of three of her crew.

6 February

 * Adelaide ( undefined): World War I: The trawler was sunk in the North Sea 30 nmi east north east of the mouth of the River Tyne by SMU UB-22 . Her crew survived.
 * SS Balgownie (1880) ( undefined): World War I: The cargo ship struck a mine and sank in the Thames Estuary (51.76667°N, 1.53333°W) with the loss of a crew member.
 * SS Cliftonian (1911) ( undefined): World War I: The collier was torpedoed and sunk in the Atlantic Ocean 4.5 nmi south by east of Galley Head, County Cork (51.46667°N, -8.91667°W) by SMU U-85 . Her crew survived.
 * SS Crown Point (1900) ( undefined): World War I: The cargo ship was torpedoed and sunk in the Atlantic Ocean 55 nmi west of the Isles of Scilly (50.1°N, -7.76667°W) by SMU U-83 with the loss of seven of her crew.
 * SS Ellavore (1889) (🇳🇴 Norway): World War I: The cargo ship was sunk in the Atlantic Ocean 35 nmi north of Cap Villano, Spain by SMU UC-24 . Her crew survived.
 * SS Ferruccio (1881) ( undefined): World War I: The cargo ship was sunk in the North Sea off Whitby, Yorkshire, United Kingdom by SMU UB-34.
 * SS Havgard (1908) (🇳🇴 Norway): World War I: The cargo ship was sunk in the Atlantic Ocean 70 nmi north east of Cape Villano by SMU UC-24 . Her crew survived.
 * HMT Longset : World War I: The naval trawler struck a mine and sank in the Bristol Channel off Barry Island, Glamorgan with the loss of eight of her crew.
 *  Mona's Queen (🇮🇲 Isle of Man): World War I: The paddle steamer was damaged in the English Channel when she attempted to ram and sink SMU UC-26 . She was subsequently repaired and returned to service.
 * ITALIAN TORPEDO BOAT Perseo : The Pegaso-class torpedo boat collided with Astore and sank in the Mediterranean Sea off Stromboli.
 * Romeo ( undefined): World War I: The trawler was scuttled in the North Sea 70 nmi east of Berwick-upon-Tweed, Northumberland (56.83333°N, °W) by SMU UB-22 . Her crew survived.
 * Rupert ( undefined): World War I: The trawler was scuttled in the North Sea 42 nmi east nort east of the mouth of the River Tyne by SMU UB-22 . Her crew survived.
 * SS Saxon Briton (1883) ( undefined): World War I: The cargo ship was torpedoed and sunk in the Atlantic Ocean 3 nmi north north east of Gurnard's Head, Cornwall (50.21667°N, -5.58333°W) by SMU U-55 with the loss of two of her crew.

7 February

 * Aphrodite (🇫🇷 France): World War I: The sailing vessel was sunk in the Mediterranean Sea north west of Alexandria, Egypt by SMU U-38 . Her crew survived.
 * SS Boyne Castle (1909) ( undefined): World War I: The coaster was shelled and sunk in the North Sea 12 nmi north east of St Abb's Head, Berwickshire by SMU UB-22 . Her crew survived.
 * SS California (1907) ( undefined): World War I: The ocean liner was torpedoed and sunk in the Atlantic Ocean 38 nmi west of The Fastnet Rock (51.16667°N, -9.4°W) by SMU U-85 with the loss of 43 lives.
 * SS Corsican Prince (1900) ( undefined): World War I: The cargo ship was torpedoed and sunk in the North Sea 3 nmi east of Whitby, Yorkshire (54.5°N, -0.51667°W) by SMU UB-34 with the loss of a crew member.
 *  Diaz ( undefined): World War I: The barque was sunk in the Atlantic Ocean south of Ireland(50.08333°N, -8.71667°W) by SMU U-83.
 * SS Gravina (1886) ( undefined): World War I: The cargo ship was torpedoed and sunk in the Atlantic Ocean 85 nmi west of the Fastnet Rock (51.05°N, -11.5°W) by SMU U-81 with the loss of seven of her crew. Five survivors were taken as prisoners of war.
 * SS Hans Kinck (1906) (🇳🇴 Norway): World War I: The cargo ship was sunk in the North Sea off the Noord Hinder Lightship (🇳🇱 Netherlands) by SMU UC-39 . Her crew survived.
 * FRENCH TRAWLER Noella : World War I: the naval trawler struck a mine and sank in the English Channel 5 nmi off Le Havre, Seine-Maritime.
 * SS Saint Ninian ( undefined): World War I: The cargo ship was torpedoed and sunk in the North Sea off Whitby (54.5°N, -0.53333°W) by SMU UB-34 with the loss of fifteen crew.
 * SS Saxonian (1914) ( undefined): World War I: The tanker was shelled and sunk in the Atantic Ocean 270 nmi west by north of the Fastnet Rock (50.43333°N, -16.43333°W) by SMU U-54 with the loss of a crew member.
 * Shakespeare ( undefined): World War I: The trawler was torpedoed and sunk in the North Sea off the Firth of Forth by SMU UB-22 with the loss of nine crew.
 *  Storskog (🇳🇴 Norway): World War I: The full-rigged ship was sunk in the Atlantic Ocean 70 nmi south west of the Fastnet Rock by SMU U-60 . Her crew survived.
 * SS Väring (1900) (🇸🇪 Sweden): World War I: The cargo ship was sunk in the North Sea 10 nmi east north east of Noup Head, Orkney Islands, United Kingdom by SMU U-78.
 * SS Vedamore (1896) ( undefined): World War I: The cargo ship was torpedoed and sunk in the Atlantic Ocean 20 nmi west of the Fastnet Rock (51.28333°N, -10.05°W) by SMU U-85 with the loss of 23 of her crew.
 * SS Wallace (1905) ( undefined): World War I: The cargo ship was shelled and damaged in the Atlantic Ocean (50.5°N, -15.08333°W by SMU U-54 with the loss of a crew member and another taken as a prisoner of war Survivors abandoned ship and were rescued by a Royal Navy warship.
 * SS Yola (1898) ( undefined): World War I: The cargo ship was sunk in the Atlantic Ocean west of Ouessant, Finistère, France by SMU U-55 with the loss of all 33 crew.

8 February

 * HMT Aivern : The naval trawler was sunk in the Western Approaches.
 * Derika (🇳🇱 Netherlands): World War I: The trawler was scuttled in the North Sea (52.88333°N, 3.33333°W) by SMU UC-33 . Her crew survived.
 * SS Elswick Manor (1901) ( undefined): World War I: The cargo ship struck a mine and was damaged in the North Sea 4 nmi off Southwold, Suffolk. She was beached at Great Yarmouth, Norfolk. Subsequently refloated, repaired and returned to service.
 *  Guillame Tell (🇫🇷 France): World War I: The brigantine was scuttled in the Atlantic Ocean 10 nmi west of Trevose Head, Cornwall, United Kingdom by SMU UC-65.
 * HMS Gurkha (1907) : World War I: The Tribal-class destroyer struck a mine and sank in the English Channel off Dungeness, Kent (50.85556°N, 0.88806°W). There were five survivors out of her 79 crew.
 * SS Hanna Larsen (1903) ( undefined): World War I: The cargo ship was scuttled in the North Sea 20 nmi east by north of Spurn Point, Yorkshire (53.7°N, 0.65°W) by SMU UC-39 with the loss of a crew member.
 * SS Ida (1883) (🇳🇴 Norway): World War I: The cargo ship was sunk in the North Sea 15 nmi south east of Flamborough Head, Yorkshire by SMU UC-39 with the loss of two of her crew.
 * SS Lullington (1903) ( undefined): World War I: The collier struck a mine and sank in the English Channel 3 nmi east of the Royal Sovereign Lightship ( undefined) (50.71667°N, 0.53333°W). Her crew survived.
 * SS Mantola ( undefined): The cargo liner was torpedoed and damaged in the Atlantic Ocean 143 nmi off the Fastnet Rock (49.91667°N, -12.41667°W) by SMU U-81 . Seven crew were killed whilst abandoning ship. Survivors were rescued by HMS Laburnum (1915) . Mantola sank on 9 February.
 * Mary Ann ( undefined): World War I: The fishing vessel was scuttled in the Atlantic Ocean 18 nmi north north east of St. Ives Head, Cornwall by SMU UC-65 . Her crew survived.
 * SMU UC-39 : World War I: The Type UC II submarine was depth charged, shelled and sunk in the North Sea off Flamborough Head (53.93333°N, 0.08333°W) by HMS Thrasher (1895) with the loss of seven of her crew.
 * SMU UC-46 : World War I: The Type UC II submarine was rammed and sunk in the English Channel off the Goodwin Sands, Kent, United Kingdom (51.11667°N, 1.65°W) by HMS Liberty (1913) with the loss of all 26 crew.

9 February

 * Benbow ( undefined): World War I: The fishing vessel was scuttled in the North Sea 15 nmi off Inchcape, Forfarshire by SMU UB-22 . Her crew survived.
 * Duke of York ( undefined): World War I: The trawler was scuttled in the North Sea 34 nmi east by south of Girdle Ness, Aberdeenshire by SMU UB-22 . Her crew survived.
 * SS Mantola (1916) ( undefined): World War I: The cargo ship was torpedoed and sunk in the Atlantic Ocean south west of Ireland by SMU U-81 (.
 * Marianne (🇳🇱 Netherlands): World War I: The fishing lugger was sunk in the North Sea off the Terschelling Bank Lightship (🇳🇱 Netherlands) (52.5°N, 3.16667°W) by SMU U-53 . Her eight crew survived.
 * HMT Yesso : World War I: The naval trawler struck a mine and sank at Aberdeen (57.15°N, -2.05°W) with the loss of seven of her crew.

10 February

 * Athenian ( undefined): World War I: The trawler was scuttled in the North Sea 105 nmi east by south of Aberdeen (57.33333°N, 1.5°W) by SMU UB-22 . Her crew survived.
 * SS Beechtree (1912) ( undefined): World War I: The cargo ship was torpedoed and sunk in the English Channel 11 nmi south east of Start Point, Devon (50.13333°N, -3.38333°W) by SMU UC-21 . Her fifteen crew survived.
 * SS Bellax (1914) ( undefined): World War I: The cargo ship was sunk in the North Sea 10 nmi south east of the Isle of May, Fife, United Kingdom by SMU UB-22 . Her crew survived.
 * HMT Gracie : The naval trawler was lost on this date.
 * Ireland ( undefined): World War I: The trawler was shelled and sunk in the North Sea 105 nmi off Girdle Ness, Aberdeenshire (57.16667°N, 1.16667°W) by SMU UB-22 . Her crew survived.
 * SS Japanese Prince (1911) ( undefined): World War I: The cargo ship was torpedoed and sunk in the Atlantic Ocean 24 nmi south west of Bishop Rock, Isles of Scilly (49.6°N, -6.76667°W) by SMU UC-47 . Her crew survived.
 * SS Netherlee (1907) ( undefined): World War I: The cargo ship was torpedoed and sunk in the Atlantic Ocean 92 nmi west of the Fastnet Rock (50.73333°N, -11.75°W) by SMU U-81 with the loss of two of her crew.
 * Ostrich ( undefined): World War I: The trawler was shelled and sunk in the North Sea 135 nmi off the Longstone Lighthouse, Farne Islands by SMU U-45 . Her crew survived.
 *  Paquerette) (🇫🇷 France): World War I: The schooner was sunk in the Atlantic Ocean 35 nmi off Ouessant, Finistère by SMU U-83 . Her crew survived.
 *  Rancagua (🇫🇷 France): World War I: The full-rigged ship was sunk in the Bay of Biscay (46.33333°N, -5.5°W) by SMU UB-39 . Her crew took to the lifeboats but were not recovered.
 * SS Sallagh (1916) ( undefined): World War I: The coaster was scuttled in the Irish Sea off Bardsey Island, Pembrokeshire by SMU UC-65 with the loss of a crew member.

11 February

 *  Ada ( undefined): World War I: The brigantine was shelled and sunk in the English Channel 8 nmi south of Anvil Point, Dorset by SMU UC-66 . Her crew survived.
 * Ashwold ( undefined): World War I: The fishing vessel was shelled and sunk in the North Sea 130 nmi north east by north of North Shields, Northumberland by SMU UC-44 . Her crew survived, but her captain was taken as a prisoner of war.
 * Assunta ( undefined): World War I: The sailing vessel was sunk in the Mediterranean Sea 40 nmi south of Cape Carbonara, Sardinia (38.5°N, 9.5°W) by SMU U-35 (Germany).
 * SS Dalmata (1902) (🇳🇴 Norway): World War I: The cargo ship was sunk in the Atlantic Ocean 25 nmi north west of the Bishop Rock, Isles of Scilly, United Kingdom (49.93333°N, -5.53333°W) by SMU UB-38 with the loss of a crew member.
 * SS Dernes (1913) (🇳🇴 Norway): World War I: The coaster was sunk in the Atlantic Ocean 18 nmi north west of Ouessant, Finistère, France (48.66667°N, -5.41667°W) by SMU UC-21 . Her crew survived.
 * SS Lycia (1896) ( undefined): World War I: The cargo ship was scuttled in the Irish Sea 20 nmi east by north of the South Bishop Lighthouse, Pembrokeshire (52.2°N, -5.45°W) by SMU UC-65 . Her crew survived.
 * SS Norwood (1895) ( undefined): World War I: The coaster was sunk in the North Sea off Aberdeen by SMU UC-29 with the loss of eighteen of her crew.
 * SS Olivia (1883) ( undefined): World War I: The coaster was scuttled in the Irish Sea 21 nmi south west of Bardsey Island, Pembrokeshire by SMU UC-65 . Her crew survived.
 * SS Vasilissa Olga (1869) (🇬🇷 Greece): World War I: the cargo ship was scuttled in the English Channel 4 nmi south of the Owers Lightship ( undefined) (50.63333°N, 0.45°W) by SMU UC-66 . Her twenty crew survived.
 * SS Voltaire (1890) ( undefined): World War I: The coaster was scuttled in the Irish Sea 25 nmi north north eas of the Bishops and Clerks Rocks by SMU UC-65 . Her crew survived.
 * SS Woodfield (1917) ( undefined): World War I: The cargo ship was torpedoed and damaged in the English Channel 3 nmi off the Royal Sovereign Lightship ( undefined) by SMU UC-66 . She was beached but was later refloated, repaired and returned to service.

12 February

 * SS Adolf (1872) (🇸🇪 Sweden): World War I: The coaster was sunk in the North Sea off Dennis Head Old Beacon, North Ronaldsay, Orkney Islands, United Kingdom (58.88333°N, -1.53333°W) by SMU UC-44 . Her crew survived.
 * SS Afric (1899) ( undefined): World War I: The ocean liner was torpedoed and sunk in the Atlantic Ocean 12 nmi south south west of the Eddystone Lighthouse (49.98333°N, -4.3°W) by SMU UC-66 with the loss of five lives.
 * SS Aghios Spyridon (1878) (🇬🇷 Greece) World War I: The cargo ship was torpedoed and sunk in the Bristol Channel 5 nmi off the Pendeen Lighthouse, Cornwall (50.16667°N, -5.8°W) by SMU UC-47.
 * Brissons ( undefined): World War I: The fishing smack was scuttled in the Atlantic Ocean 9 nmi west of Trevose Head, Cornwall (50.51667°N, -5.25°W) by SMU UC-47 . Her crew survived.
 * SS Cilicia ( undefined): World War I: The collier struck a mine and sank in the Atlantic Ocean 5 nmi south of Dassen Island, South Africa.
 * Dale ( undefined): World War I: The fishing vessel was scuttled in the North Sea 42 nmi south by east of North Ronaldsay by SMU UC-44 . Her crew survived, but her captain was taken as a prisoner of war.
 * HMT Euston : World War I: The naval trawler struck a mine and sank in Tees Bay (54.66667°N, -1.31667°W) with the loss of ten of her crew.
 * SS Foreland (1914) ( undefined): World War I: The collier struck a mine and sank in the North Sea 6 nmi south by west of the Shipwash Lightship ( undefined) (51.93333°N, 1.66667°W). Her crew survived.
 * SMS Geier (1913) : World War I: The auxiliary cruiser was scuttled.
 * Hugo Hamilton (🇸🇪 Sweden): World War I: The auxiliary sailing vessel was shelled and sunk in the Atlantic Ocean north west of Ireland (55.65°N, -12.21667°W) by SMU U-81 . Her crew were rescued by SS Rio de la Plata (🇳🇴 Norway).
 * SS Lucent (1879) ( undefined): World War I: The collier was shelled and sunk in the English Channel 20 nmi east of the Lizard, Cornwall (50.33333°N, -4.71667°W) by SMU UC-66 . Her crew survived.
 *  Lyman M. Law (🇺🇸 United States): World War I: The four-masted schooner was sunk in the Mediterranean Sea 25 nmi off Cagliari, Sardinia, Italy by SMU U-35 (Germany) . Her crew survived.
 * SS Nordcap (1881) (🇳🇴 Norway): World War I: The coaster was sunk in the Bay of Biscay 10 nmi west of La Rochelle, Charente-Maritime, France (46.3°N, -1.86667°W) by SMU UC-21 . Her crew survived.
 * SS Pinna (1901) ( undefined): World War I: The tanker was torpedoed and damaged in the Irish Sea 7.5 nmi south south east of the South Bishop Lighthouse, Pembrokeshire by SMU UC-65 . She was beached at Milford Haven and was later refloated.
 *  West (🇳🇴 Norway): World War I: The auxiliary schooner was sunk in the North Sea by SMU UC-36 . Her crew survived.

13 February

 * Barnsley ( undefined): World War I: The trawler was scuttled in the Atlantic Ocean 13 nmi north of Inishtrahull Island, County Donegal by SMU U-78 . Her crew survived, but two of them were taken as prisoners of war.
 * SS F. D. Lambert (1892) ( undefined): World War I: The cargo ship struck a mine and sank in the English Channel 1 nmi east of the Royal Sovereign Lightship ( undefined). Her crew survived.
 * Friendship ( undefined): World War I: The fishing smack was sunk in the Irish Sea off the Smalls Lighthouse by SMU UC-65 with the loss of four of her crew.
 * King Alfred ( undefined): World War I: The fishing vessel was scuttled in the North Sea 75 nmi south of Fair Isle by SMU UC-44 . Her captain was taken as a prisoner of war.
 *  Percy Roy ( undefined): World War I: The schooner was scuttled in the Mediterranean Sea 32 nmi off Mallorca, Spain by SMU U-35 (Germany) . Her six crew were rescued by SS Ciudad (🇪🇸 Spain).
 * SS Progreso (1904) (🇳🇴 Norway): World War I: The cargo ship was sunk in the Bay of Biscay 11 nmi off Lacanau, Gironde, France by SMU UC-21 . Her crew survived.
 * HMT Sisters Melville : World War I: The naval trawler struck a mine and sank in the North Sea 4 nmi north east of Aldeburgh, Suffolk (52.11667°N, 1.73333°W) with the loss of seven of her crew.
 * Zircon ( undefined): World War I: The fishing smack was scuttled in the Irish Sea 26 nmi south west of the Smalls Lighthouse by SMU UC-65 . Her crew survived.

14 February

 * Belvoir Castle ( undefined): World War I: The fishing vessel was scuttled in the North Sea south east of Buchan Ness, Aberdeenshire (57.28333°N, -1.5°W) by SMU UC-44 . Her crew survived, but her captain was taken as a prisoner of war.
 *  Eudora ( undefined): World War I: The four-masted barque was shelled and sunk in the Atlantic Ocean 30 nmi south south west of the Fastnet Rock by SMU UC-33 . Her crew survived.
 * SS Ferga (1916) ( undefined): World War I: The coaster was shelled and sunk in the Irish Sea 15 nmi south of Bardsey Island, Pembrokeshire (50.03333°N, -5.06667°W) by SMU UC-65 . Her crew survived.
 * SS Greenland (1908) ( undefined): World War I: The cargo ship was scuttled in the Irish Sea 20 nmi south west of Bardsey Island (52.5°N, -5.08333°W) by SMU UC-65 . Her crew survived.
 * SS Hopemoor (1911) ( undefined): World War I: The cargo ship was torpedoed and sunk in the Atlantic Ocean 20 nmi north west of the Skellig Islands (51.88333°N, -11°W) by SMU U-60 . Her crew survived.
 * SS Inishowen Head (1886) ( undefined): World War I: The cargo ship struck a mine and sank in the Irish Sea 1.25 nmi south of Skokholm, Pembrokeshire (51.66667°N, -5.25°W) with the loss of a crew member.
 * SS Longscar (1903) ( undefined): World War I: The cargo ship was scuttled in the Bay of Biscay (45.41667°N, -1.91667°W) by SMU UC-21 . Her crew survived, but two of them were taken as prisoners of war.
 * SS Mar Adriatico (1895) (🇪🇸 Spain): World War I: The cargo ship was sunk in the Bay of Biscay (45.71667°N, -1.4°W) by SMU UC-21 . Her crew survived.
 * SS Margarita (1902) ( undefined): World War I: The coaster was scuttled in the Irish Sea 20 nmi south west by west of Bardsey Island by SMU UC-65 . Her crew survived.
 * SS Marie Leonhardt (1902) ( undefined): World War I: The cargo ship struck a mine and sank in the North Sea 2.5 nmi east of the Sunk Lightship ( undefined) (51.88333°N, 1.66667°W) with the loss of five of her crew.
 * Marthe Yvonne (🇫🇷 France): World War I: The pilot boat was sunk in the Bay of Biscay 15 nmi west south west of La Coubre Point, Charente-Maritime by SMU UC-70 . Her crew survived.
 * Mary Bell ( undefined): World War I: The fishing vessel was scuttled in the North Sea 50 nmi east by north of Aberdeen by SMU UC-44 . Her crew survived, but her captain was taken as a prisoner of war.
 *  Mery ( undefined): World War I: The schooner was shelled and sunk in the Mediterranean Sea 35 nmi south east of Alicante, Spain by SMU U-35 (Germany).
 * Michele (🇫🇷 France): World War I: The sailing vessel was sunk in the Mediterranean Sea off Sicily, Italy by SMU U-38.
 * SS Oceania (1902) ( undefined): World War I: The cargo ship was sunk in the Mediterranean Sea 28 nmi south of Alicante by SMU U-35 (Germany).
 * SS Torino (1913) ( undefined): World War I: The passenger ship was sunk in the Ionian Sea (36.38333°N, 19.16667°W) by SMU U-39.

15 February

 * SS Afton (1911) ( undefined): World War I: The passenger ship was scuttled in the Irish Sea 23 nmi north by east of Strumble Head, Pembrokeshire (52.4°N, -5.15°W) by SMU UC-65 . Her crew survived.
 * Aline (🇫🇷 France): World War I: The sailing vessel was sunk in the Bay of Biscay 25 nmi west south west of the La Coubre Lighthouse, Charente-Maritime by SMU UC-21.
 * Alma Jeanne (🇫🇷 France): World War I: The lugger was scuttled in the Bay of Biscay off Les Sables-d'Olonne, Vendée (46.15°N, -1.88333°W) by SMU UC-66.
 * Argos (🇫🇷 France): World War I: The fishing vessel was shelled and sunk in the Bay of Biscay off Les Sables-d'Olonne (46.31667°N, -1.98333°W) by SMU UC-66 . Her five crew survived.
 * SS Brecknockshire ( undefined): World War I: The cargo ship was sunk in the Atlantic Ocean 490 nmi east by north of Cape Frio, Brazil by SMS Möwe. Her crew were taken as prisoners of war.
 * Desire Louise (🇫🇷 France): World War I: The sailing vessel was sunk in the Bay of Biscay (46.15°N, -1.71667°W) by SMU UC-66.
 * SS French Prince ( undefined): World War I: The cargo ship was sunk in the Atlantic Ocean 490 nmi east north east of Cape Frio by SMS Möwe . Her crew were taken as prisoners of war.
 * SS Kyanite (1904) ( undefined): World War I: The coaster was scuttled in the Irish Sea 27 nmi south south west of Bardsey Island, Pembrokeshire (52.3°N, -4.91667°W) by SMU UC-65 . Her crew survived.
 * SS Leven (1885) ( undefined): World War I: The dredger struck a mine and sank in the English Channel 0.75 nmi off Newhaven, East Sussex. Her crew survived.
 * SS Marion Dawson (1894) ( undefined): World War I: The cargo ship was scuttled in the Bay of Biscay 8 nmi south south west of the Île d'Oléron, Charente-Maritime (46.05°N, -1.55°W) by SMU UC-21 . Her crew survived.
 * SS Minas (1891) ( undefined): World War I: The troopship was sunk in the Ionian Sea off Cape Matapan, Greece (36.41667°N, 18.4°W) by SMU U-39 with the loss of 870 lives.
 * SS Stralsund (1890) (🇳🇴 Norway): World War I: The coaster was sunk in the Atlantic Ocean west of St. Kilda, Inverness-shire, United Kingdom by SMU U-78 . Her crew survived.

16 February

 * SS Breim (🇳🇴 Norway): The cargo ship collided with a Greek merchant vessek in the Bay of Biscay off Biarritz, Pyrénées-Atlantiques, France and sank. Her crew were rescued.
 * Eddie ( undefined): World War I: The sailing vessel was sunk in the Atlantic Ocean 550 nmi east north east of Cape Frio, Brazil by SMS Möwe . Her crew were taken as prisoners of war.
 * SS Hermine (1900) (🇫🇷 France): World War I: The cargo ship was sunk in the English Channel 15 nmi off Barfleur, Manche (48.83333°N, -2.96667°W) by SMU UC-17.
 * SS Inver (1883) ( undefined): The cargo ship collided with another vessel and sank in the Irish Sea. Her crew survived.
 * SS Lady Ann (1882) ( undefined): World War I: The cargo ship was torpedoed and sunk in the North Sea 3 nmi east of Scarborough, Yorkshire by SMU UB-21 with the loss of eleven of her crew.
 * SS Laertis (1912) (🇬🇷 Greece): World War I: The cargo ship was sunk in the Mediterranean Sea off Marettimo, Italy by SMU UC-38.
 *  Mayola ( undefined): World War I: The schooner was scuttled in the Atlantic Ocean 50 nmi south east by east of Cape St. Vincent, Portugal (36.88333°N, -8.43333°W) by SMU U-21 (Germany) . Her crew survived.
 * SS Niobe (1905) (🇫🇷 France): World War I: The cargo ship was torpedoed and sunk in the Bay of Biscay 8 nmi off the Île de Ré, Charente-Maritime (46.23333°N, -1.81667°W) by SMU UC-21 with the loss of ten of her crew.
 * SS Oriana (1886) ( undefined): World War I: The cargo ship was sunk in the Mediterranean Sea 15 nmi off Alicante, Spain by SMU U-35 (Germany) . Her crew survived.
 * SS Pollcrea (1899) ( undefined): World War I: The cargo ship was shelled and damaged in the Bay of Biscay 3 nmi south of the Île d'Yeu, Vendée, France by SMU UC-21 . She was beached at Saint-Gilles-sur-Vie. Later refloated and returned to service.
 * SS Prudenza (1893) ( undefined): World War I: The cargo ship was sunk in the Mediterranean Sea off Alicante by SMU U-35 (Germany) . Her crew survived.
 * SS Queenswood (1896) ( undefined): World War I: The cargo ship was torpedoed and sunk in the Atlantic Ocean 6 nmi south west of Hartland Point, Devon (50.93333°N, -4.63333°W) by SMU UC-65 with the loss of three of her crew.
 * HMT Recepto : World War I: The naval trawler struck a mine and sank in Tees Bay (54.66667°N, -1.13333°W) with the loss of eight of her crew.
 *  Rose Dorothea ( undefined): World War I: The schooner was scuttled in the Atlantic Ocean 15 nmi off Cabo de Santa María, Portugal (36.83333°N, -8.41667°W) by SMU U-21 (Germany) . Her crew survived.
 * SS Ville de Bayonne (1896) (🇫🇷 France): World War I: The cargo ship was sunk in the Atlantic Ocean 6 nmi west of Hartland Point (51.05°N, -4.61667°W) by SMU UC-65.

17 February

 * Ala ( undefined): World War I: The sailing vessel was sunk in the Strait of Sicily by SMU U-39.
 * SS Athos (1914) (🇫🇷 France): World War I: The troopship was sunk in the Mediterranean Sea 200 nmi south east of Malta by SMU U-65 (Germany) with the loss of 754 lives.
 *  Bayonne (🇫🇷 France): World War I: The full-rigged ship was scuttled in the English Channel 25 nmi off Start Point, Devon, United Kingdom by SMU U-84 . Her crew survived.
 * SS Cabo (1894) (🇳🇴 Norway): World War I: The cargo ship was scuttled in the Atlantic Ocean 20 nmi south west of Ar Men, Finistère, France (45°N, -5.15°W) by SMU UC-21 . Her crew survived.
 * SS Dalbeattie (1879) (🇳🇴 norway): World War I: The cargo ship was sunk in the Atlantic Ocean 40 nmi south south west of the Fastnet Rock by SMU U-60 . Her crew survived.
 * SS Driebergen (1910) (🇳🇱 Netherlands): World War I: The cargo ship was sunk in the Atlantic Ocean 90 nmi west of Ouessant, Finistère (48.31667°N, -7.01667°W) by SMU UC-66 . Her crew survived.
 * Emilia I (🇵🇹 Portugal): World War I: The sailing vessel was sunk in the Atlantic Ocean west of Portugal by SMU U-21 (Germany).
 * Excel ( undefined): World War I: The trawler was shelled and sunk in the North Sea 53 nmi north east of the mouth of the River Tyne by SMU UB-21 . Her crew survived.
 * HMS Farnborough : World War I: The Q-ship was torpedoed and damaged in the Atlantic Ocean south of Ireland (51.56667°N, -11.38333°W) by SMU U-83 . She was subsequently taken in tow and beached at Berehaven, County Cork. Later repaired and returned to service.
 * HMT Hawk : World War I: The naval trawler was torpedoed and sunk in the Mediterranean Sea 140 nmi east by south of Malta (34.08333°N, 16.3°W) by SMU U-64 (Germany) with the loss of seven crew.
 * SS Iolo (1899) ( undefined): World War I: The cargo ship was torpedoed and sunk in the Atlantic Ocean 40 nmi south by west of the Fastnet Rock (50.71667°N, -9.5°W) by SMU U-60 with the loss of two crew. Four survivors were taken as prisoners of war.
 * Lima (🇵🇹 Portugal): World War I: The sailing vessel was sunk in the Atlantic Ocean west of Portugal by SMU U-21 (Germany).
 * SS Okement (1915) ( undefined): World War I: The collier was torpedoed and sunk in the Mediterranean Sea 140 nmi south east by south of Malta (34.08333°N, 16.3°W) by SMU U-64 (Germany) with the loss of eleven crew.
 * SS Ootmarsum (1900) (🇳🇱 Netherlands): World War I: The cargo ship was sunk in the Atlantic Ocean 65 nmi west of Ouessant (48.66667°N, -6.75°W) by SMU UC-66.
 * Pier Accavan Ubert ( undefined): World War I: The sailing vessel was sunk in the Mediterranean Sea 15 nmi north of Ibiza, Spain by SMU U-35 (Germany) . Her crew survived.
 * SS Romsdalen (1895) ( undefined): World War I: The collier was torpedoed and sunk in the English Channel 10 nmi south west of Portland Bill, Dorset (50.36667°N, -2.58333°W) by SMU U-84 . Her crew survived.
 *  Silene (🇫🇷 France): World War I: The schooner was scuttled in the Atlantic Ocean 50 nmi nortu of Ouessant by SMU UC-21.
 * SS Trompenburg (1906) (🇳🇱 Netherlands): World War I: The cargo ship was sunk in the Atlantic Ocean 65 nmi west of Ouessant (48.66667°N, -6.75°W) by SMU UC-66.
 * SMU U-83 World War I: The Type Mittel U submarine was attacked and sunk in the Atlantic Ocean south west of Ireland by the Q-ship HMS Farnborough . Thirty-five of her 37 crew were killed.
 * SS Worcestershire ( undefined): World War I: The cargo ship struck a mine and sank in the Indian Ocean 10 nmi south west of Colombo, Ceylon with the loss of two of her crew.

18 February

 * HMT Clifton) : World War I: The naval trawler struck a mine and sank in the Irish Sea off the Daunts Rock Lightship ( undefined) with the loss of thirteen of her crew.
 * SS Giuseppe (1884) ( undefined): World War I: The cargo ship was sunk in the Mediterranean Sea 5 nmi south of Tarragona, Spain by SMU U-35 (Germany) . Her crew survived.
 * Guido T ( undefined): World War I: The sailing vessel was scuttled in the Mediterranean Sea 15 nmi south south east of Tarragona by SMU U-35 (Germany).
 *  Jean Pierre (🇫🇷 France): World War I: The three-masted schooner was scuttled in the Bay of Biscay 95 nmi west of Pointe de la Coubre, Charente-Maritime (45.8°N, -3.08333°W) by SMU U-50.
 * SS Juno (1888) (🇳🇴 Norway): World War I: The cargo ship was sunk in the English Channel 15 nmi south south west of Start Point, Devon, United Kingdom (49.98333°N, -3.68333°W) by SMU U-84 . Her crew survived.
 *  Netherton ( undefined): World War I: The barquentine was scuttled in the English Channel 16 nmi south of Anvil Point, Dorset by SMU UC-18 . Her crew survived.
 * SS Skogland (1906) (🇸🇪 Sweden): World War I: The cargo ship was sunk in the Mediterranean Sea 6 nmi south of Tarragona by SMU U-35 (Germany).
 * SS Thorgny (1908) (🇳🇴 Norway): World War I: The cargo ship was sunk in the English Channel 15 nmi south west of Start Point, Devon (49.95°N, -3.88333°W) by SMU UC-17 . Her crew survived.
 * Triumph ( undefined): World War I: The ketch was shelled and sunk in the English Channel 45 nmi north north west of the Roches-Douvres Lighthouse, Côtes-du-Nord, France by SMU UC-21 . Her crew survived.
 * SS Valdes (1914) ( undefined): World War I: The cargo ship was torpedoed and sunk in the English Channel 7 nmi south of Portland Bill by SMU U-84 with the loss of eleven of her crew.

19 February

 * Alice (🇫🇷 France): World War I: The fishing vessel was sunk in the English Channel north west of Fécamp, Seine-Maritime (49.81667°N, 0.3°W) by SMU UC-65.
 * SS Brigade (1914) ( undefined): World War I: The coaster was shelled and sunk in the English Channel 12 nmi north west of Cayeux-sur-Mer, Somme, France (50.28333°N, 1.16667°W) by SMU UC-65 . Her crew survived.
 *  Centurion ( undefined): World War I: The full-rigged ship was scuttled in the English Channel 15 nmi south east of The Lizard, Cornwall by SMU UC-17 . Her crew survived.
 * SS Corso (1899) ( undefined): World War I: The cargo ship was torpedoed and sunk in the Mediterranean Sea 110 nmi south by west of Malta (35.15°N, 14.46667°W) by SMU U-64 (Germany) . Her crew survived, but four survivors were taken as prisoners of war.
 * Halcyon ( undefined): World War I: The trawler struck a mine and sank in the Atlantic Ocean off the Butt of Lewis, Outer Hebrides with the loss of ten crew.
 * SS Headley (1914) ( undefined): World War I: The cagro ship was torpedoed and sunk in the Atlantic Ocean 35 nmi south south west of the Bishop Rock, Isles of Scilly by SMU U-67 . Her crew survived.
 * Justine Marie (🇧🇪 Belgium): World War I: The fishing vessel was sunk in the English Channel off Dieppe, Seine-Maritime by SMU UC-65 . Her crew survived.
 * HMS Lady Olive : World War I: The Q-ship was sunk in the English Channel off Saint-Malo, Ille-et-Vilaine, France by SMU UC-18 . Her crew were rescued by FRENCH DESTROYER Dunois.
 * HMT Picton Castle : World War I: The naval trawler struck a mine and sank in the English Channel 3 nmi south of Dartmouth, Devon with the loss of twelve of her crew.
 * Pinmore ( undefined): World War I: The sailing vessel was scuttled in the Atlantic Ocean 540 nmi north west of the St Paul Rocks, Brazil by SMS Seeadler (auxiliary cruiser).
 * SS Quinto (1888) ( undefined): World War I: The cargo ship was sunk in the Tyrrhenian Sea south of Rome by SMU UC-38 . Her crew survived.
 * SS Rutenfjell (1875) (🇳🇴 Norway): World War I: The cargo ship struck a mine and sank in the Bay of Biscay 5 nmi north east of Kerdonis, Belle Île, Morbihan, France (47.33333°N, -3.01667°W) with the loss of a crew member.
 * Saint Louis de Gonzague (🇫🇷 France): World War I: The fishing vessel was sunk in the English Channel 10 nmi west of Étaples, Pas-de-Calais by SMU UC-65.
 * SS Sigrid (1898) ( undefined): World War I: The cargo ship was sunk in the North Sea 30 nmi north east of Unst, Shetland Islands, United Kingdom (60.83333°N, 0.16667°W) by SMU U-49 . Her crew survived.
 * SS Skrim (1898) (🇳🇴 Norway): World War I: The coaster was sunk in the English Channel 20 nmi north north west of Le Tréport, Seine-Maritime by SMU UC-65 . Her crew survived.
 * SMU UC-18 : World War I: The Type UC II submarine was sunk in the English Channel off Saint-Malo (49.25°N, -2.56667°W) by HMS Lady Olive with the loss of all 28 crew.
 * Violette (🇫🇷 France): The boat was sunk in the English Channel 10 nmi west of Étaples by SMU UC-65.

20 February

 * SS Cacique (1908) (🇫🇷 France): World War I: The cargo ship was sunk in the Atlantic Ocean 250 nmi west of the Île d'Yeu, Vendée (46.68333°N, -8.35°W) by SMU U-21 (Germany) with the loss of 21 crew.
 * SS Doravore (1887) (🇳🇴 Norway): World War I: The cargo ship was sunk in the Tyrrhenian Sea south of Elba, Italy (42.18333°N, 11.36667°W) by SMU UC-38 . Her crew survived.
 *  Falls of Afton (🇳🇴 Norway): World War I: The barque was scuttled in the Atlantic Ocean 8 nmi south west of the Wolf Rock, Cornwall, United Kingdom (49.83333°N, -5.91667°W) by SMU UC-17 . Her crew survived, one of them was taken aboard SM UC-17 at his request.
 * SS Rosalie (1915) ( undefined): World War I: The cargo ship was torpedoed and sunk in the Mediterranean Sea 8 nmi east of Djidjelli, Algeria (37.01667°N, 5.9°W) by SMU U-39 with the loss of 21 crew.

21 February

 * SS Alice (1916) (🇳🇴 Norway): World War I: The coaster was sunk in the English Channel 2 nmi north of Cap d'Antifer, Seine-Maritime, France (49.81667°N, 0.3°W) by SMU UB-40 . Her crew survived.
 * SS Dukat (1903) (🇳🇴 Norway): World War I: The cargo ship was sunk in the Atlantic Ocean 7 nmi south south east of Ballycotton, County Cork, United Kingdom by SMU U-84 . Her crew survived.
 * Energy ( undefined): World War I: The fishing smack was shelled and sunk in the Atlantic Ocean 11 nmi south south east of the Eddystone Lighthouse (49.95°N, -4.66667°W) by SMU UC-66 . Her crew survived.
 * K.L.M. ( undefined): World War I: The fishing smack was shelled and sunk in the Atlantic Ocean 8 nmi north west by west of the Eddystone Lighthouse by SMU UC-66 . Her crew survived.
 * SS Manningham (1880) (🇸🇪 Sweden): World War I: The cargo ship was sunk in the English Channel 25 nmi north of Ouessant, Finistère, France by SMU UC-17 . Her crew survived.
 * HMS Mendi The troopship was rammed and sunk in the English Channel off St Catherine's Point, Isle of Wight by SS Darro ( undefined). A total of 646 passengers and crew were killed. Survivors were rescued by HMS Brisk (1910).
 * Monarch ( undefined): World War I: The fishing smack was sunk in the Atlantic Ocean 14 nmi south east by south of the Eddystone Lighthouse by SMU UC-66 . Her crew survived.
 * SS Perseus ( undefined): World War I: The cargo ship struck a mine and sank in the Indian Ocean 11 nmi west of Colombo, Ceylon with the loss of three of her crew.
 * HMS Princess Alberta : World War I: The fleet messenger struck a mine and sank in Mudros Bay (39.78333°N, 25.1°W) with the loss of 33 lives
 *  Tecwyn ( undefined): World War I: The auxiliary schooner was shelled and sunk in the English Channel 20 nmi south of Portland Bill, Dorset by SMU U-60 . Her crew survived.
 * SS Wathfield (1905) ( undefined): World War I: The cargo ship was torpedoed and sunk in the Mediterranean Sea 15 nmi north of Cape Carbon, Algeria (37°N, 4.93333°W) by SMU U-39 with the loss of eighteen crew.

22 February

 *  Adelina ( undefined): World War I: The barque was shelled and sunk in the Mediterranean Sea east of Solenzara, Corsica, France (41.76667°N, 9.61667°W) by SMU UC-38 . Her crew survived.
 * SS Ajax (1904) (🇳🇴 Norway): World War I: The cargo ship was sunk in the English Channel 30 nmi north of Ouessant, Finistère, France by SMU UC-17 . Her crew survived.
 * Ape ( undefined): World War I: The sailing vessel was shelled and sunk in the Mediterranean Sea east of Solenzara (41.83333°N, 9.61667°W) by SMU UC-38.
 * SS Bandoeng (1910) (🇳🇱 Netherlands): World War I: The cargo ship was sunk in the Atlantic Ocean 30 nmi north west of the Bishop Rock, Isles of Scilly, United Kingdom by SMU U-21 (Germany).
 *  Blenheim (🇳🇴 Norway): World War I: The barque was sunk in the Atlantic Ocean 30 nmi south south west of the Fastnet Rock by SMU U-50 . Her crew survived.
 * SS Eemland (1905) (🇳🇱 Netherlands): World War I: The cargo ship was scuttled in the Atlantic Ocean 30 nmi north west of the Bishop's Rock (49.68333°N, -7.58333°W) by SMU U-21 (Germany).
 * Frolic ( undefined): World War I: The trawler was shelled and sunk in the North Sea 90 nmi east by south of Aberdeen by SMU UC-42 . Her crew survived.
 * SS Gaasterland (1907) (🇳🇱 Netherlands): World War I: The cargo ship was scuttled in the Atlantic Ocean 30 nmi north west of the Bishop's Rock (50.16667°N, -7.08333°W) by SMU U-21 (Germany) . Her crew survived.
 * Giovanni P. ( undefined): World War I: The sailing vessel was shelled and sunk in the Mediterranean Sea east of Solenzara by SMU UC-38.
 *  Invercauld ( undefined): World War I: The barque was torpedoed and sunk in the Atlantic Ocean 22 nmi south east of Mine Head, County Cork by SMU U-84 . Her crew survived.
 * SS Jacatra (1912) (🇳🇱 Netherlands): World War I: The cargo ship was captured, torpedoed and sunk in the Atlantic Ocean 30 nmi west of the Bishop's Rock (49.86667°N, -7°W) by SMU U-21 (Germany).
 * SS John Miles (1908) ( undefined): The coaster was torpedoed and sunk in the North Sea 11 nmi south east of Hartlepool, County Durham (54.63611°N, -0.9°W) by SMU UB-21 with the loss of ten crew.
 * Lord Collingwood ( undefined): World War I: The trawler was sunk in the North Sea 85 nmi east by south of Aberdeen by SMU UC-42 . Her crew survived.
 * Michielino ( undefined): World War I: The sailing vessel struck a mine and sank in the Tyrrhenian Sea.
 * SS Noorderdijk (1910) (🇳🇱 Netherlands): World War I: The cargo ship was captured, torpedoed and sunk in the Atlantic Ocean 30 nmi north west of the Bishop's Rock by SMU U-21 (Germany).
 * SS Normanna (1885) (🇳🇴 Norway): World War I: The cargo ship was scuttled in the English Channel by SMU U-21 (Germany) . Her crew survived.
 *  Nostra Signora del Porto Salvo ( undefined): World War I: The brigantine was scuttled in the Mediterranean Sea 35 nmi west of Marettimo, Italy by SMU UC-35 . Her crew survived.
 *  Saint Sauveur (🇫🇷 France): World War I: The schooner was sunk in the English Channel 30 nmi north of Ouessant by SMU UC-17 . Her crew survived.
 *  San Michele ( undefined): World War I: The barque was shelled and sunk in the Mediterranean Sea east of Solenzara (41.66667°N, 9.66667°W) by SMU UC-38.
 * SS Ville de Bougie (1878): World War I: The coaster was sunk in the Mediterranean Sea off the coast of Algeria (36.91667°N, 4.66667°W) by SMU U-39 . Her crew survived.
 * Vincenzino ( undefined): World War I: The sailing vessel struck a mine and sank in the Tyrrhenian Sea.
 * SS Zaandijk (1899) (🇳🇱 Netherlands): World War I: The cargo ship was scuttled in the Atlantic Ocean 30 nmi north west of the Bishop's Rock (49.86667°N, -7°W) by SMU U-21 (Germany).

23 February

 * SS Belgier (1914) ( undefined): World War I: The cargo ship was shelled and sunk in the Bay of Biscay 30 nmi west of Belle Île, Morbihan, France (47.53333°N, -3.96667°W) by SMU UC-17 . Her crew survived.
 * SS Grenadier (1895) ( undefined): World War I: The cargo ship struck a mine and sank in the North Sea 6 nmi east north east of the Shipwash Lightship ( undefined) (52.1°N, 1.7°W) with the loss of eight of her crew.
 * SS Iser (1888) ( undefined): World War I: The collier was torpedoed and sunk in the Bay of Biscay 14 nmi north west of Belle Île (47.46667°N, -3.58333°W) by SMU UC-17 with the loss of a crew member.
 * Katherine ( undefined): World War I: The sailing vessel was sunk in the Atlantic Ocean 200 nmi north east of the St Paul Rocks, Brazil by SMS Möwe ; Her crew were taken as prisoners of war.
 * SS Longhirst (1904) ( undefined): World War I: The cargo ship was torpedoed and sunk in the Mediterranean Sea 20 nmi east of Cape Bon, Tunisia (37.13333°N, 11.41667°W) by SMU U-35 (Germany) with the loss of two crew.
 * SS Nyland (1915) (🇳🇴 Norway): World War I: The cargo ship was sunk in the Bay of Biscay 12 to 13 nmi off Groix, Morbihan (47.51667°N, -3.7°W) by SMU UC-17 . Her crew survived.
 * SS Trojan Prince (1896) ( undefined): World War I: The cargo ship was torpedoed and sunk in the Mediterranean Sea 5 nmi north of Cape Churchell, Algeria by SMU U-39 with the loss of two crew.
 * SMU UC-32 : World War I: The Type UC II submarine was sunk by a mine she was laying off the Roker Pier Lighthouse, County Durham, United Kingdom (54.90861°N, -1.32194°W) with the loss of all nineteen of her 22 crew.

24 February

 * Albina ( undefined): World War I: The sailing vessel was sunk in the Mediterranean Sea east of Siniscola, Sardinia (40.65°N, 9.96667°W) by SMU UC-38.
 * SS Beneficent (1881) ( undefined): World War I: The cargo ship was sunk in the North Sea 5 nmi east north east of Hartlepool, County Durham (54.73333°N, -1.06667°W) by SMU UC-30 with the loss of three of her crew.
 * SS Dorothy (1903) ( undefined): World War I: The cargo ship was torpedoed and sunk in the Mediterranean Sea 25 nmi south east by south of Pantelleria, Italy (42.65°N, 4.13333°W) by SMU U-35 (Germany) with the loss of six crew.
 * SS Falcon (1916) ( undefined): World War I: The cargo ship was sunk in the Atlantic Ocean 150 nmi west north west of the Fastnet Rock (52.66667°N, -14.75°W) by SMU U-50 . Her crew survived.
 * SS Miaoulis (1893) (🇬🇷 Greece): World War I: The cargo ship was sunk in the Mediterranean Sea 130 nmi off Benghazi, Libya by SMU UB-43 . Her crew survived.
 * SS Prikonisos (1914) (🇬🇷 Greece): World War I: The cargo ship was shelled and sunk in the Mediterranean Sea 30 nmi south east of Pantelleria (36.5°N, 12.83333°W) by SMU U-35 (Germany) with the loss of four crew.
 * SS Salamis (1873) (🇬🇷 Greece): World War I: the coaster was scuttled in the Bay of Biscay 10 nmi south west of the Glénan Islands, Finistère, France (47.55°N, -3.9°W) by SMU UC-17.
 *  Venere ( undefined): World War I: The schooner was shelled and sunk in the Mediterranean Sea 2 nmi south of San Pietro Island by SMU U-65 (Germany).
 * HMY Verona : World War I: The naval yacht struck a mine and sank in the North Sea off Portmahomack, Ross-shire (57.86667°N, -3.65°W) with the loss of 23 of her crew.

25 February

 * SS Aries (1895) ( undefined): World War I: The cargo ship was shelled and sunk in the Atlantic Ocean 190 nmi north west by west of the Fastnet Rock by SMU U-50 . Her crew survived, but her captain was taken as a prisoner of war.
 * SS Huntsman (1904) ( undefined): World War I: The cargo ship was torpedoed and sunk in the Atlantic Ocean 180 nmi north west by west of the Fastnet Rock (52.06667°N, -12.03333°W) by SMU U-50 with the loss of two crew.
 * Kleber (🇫🇷 France): World War I: The sailing vessel was sunk in the Atlantic Ocean off Ouessant, Finistère by SMU UC-17.
 * Laconia ( undefined): World War I: The troopship was torpedoed and sunk in the Atlantic Ocean 160 nmi north west by west of the Fastnet Rock (52°N, -13.66667°W) by SMU U-50 with the loss of twelve lives.
 * Maria Adriana (🇳🇱 Netherlands): World War I: The sailing vessel was scuttled in the English Channel off Cap Barfleur, Seine-Maritime, France by SMU UB-40.
 * Saint Joseph (🇫🇷 France): World War I: The fishing vessel was scuttled in the English Channel 6 nmi west of Berck, Pas-de-Calais by SMU UC-65 . Her crew survived.
 * SS Vigda (1900) (🇳🇴 Norway): World War I: The cargo ship was sunk in the English Channel 5 nmi south of the Owers Lightship ( undefined) by SMU UC-65 . Her crew survived.

26 February

 * SS Afreida Woermann ( undefined): The cargo ship foundered in the Kattegat north of Höganäs, Skåne County, Sweden.
 * Alberdina (🇳🇱 Netherlands): World War I: The sailing vessel was scuttled in the English Channel 35 nmi north east of Alderney, Channel Islands by SMU UC-65 . Her crew survived.
 * SS Algiers (1882) ( undefined): World War I: The cargo ship struck a mine and sank in the English Channel 3 nmi south of the Owers Lightship (50.58333°N, -0.66667°W) by SMU UC-65 with the loss of eight of her crew.
 * British Yeoman ( undefined): World War I: The sailing vessel was sunk in the Atlantic Ocean 230 nmi north north west of the St Paul Rocks, Brazil by SMS Seeadler (auxiliary cruiser).
 * SS Burnby (1905) ( undefined): World War I: The collier was torpedoed and sunk in the Mediterranean Sea 20 nmi north of Cape Falcon, Algeria (36°N, -0.7°W) by SMU U-39 . Her crew survived, but her captain was taken as a prisoner of war.
 * SS Clan Farquhar (1899) ( undefined): World War I: The cargo ship was torpedoed and sunk in the Mediterranean Sea 80 nmi east of Benghazi, Libya (33.5°N, 20.08333°W) by SMU UB-43 with the loss of 49 of her crew. One survivor was taken as a prisoner of war.
 * SS Dido (1896) ( undefined): World War I: The cargo ship struck a mine and sank in the North Sea 4 nmi north north east of the Spurn Lightship ( undefined) (53.11667°N, 0.25°W) with the loss of 28 of her crew.
 *  Hannah Crossdell ( undefined): World War I: The schooner struck a mine and sank in the Irish Sea 1 nmi south of Skokholm, Pembrokeshire with the loss of four of her crew.
 *  Lamentin (🇫🇷 France): World War I: The barque was shelled and sunk in the English Channel 30 nmi west south west of Guernsey, Channel Islands (49.66667°N, -3.41667°W) by SMU UC-17 . Her crew survived.
 * SS Sea Gull (1893) ( undefined): World War I: The coaster struck a mine and sank in the English Channel 4 nmi off Folkestone, Kent with the loss of two of her crew.
 * HMT St. Germain : World War I: The naval trawler struck a mine and was damaged in the English Channel off Folkestone (51.02778°N, 1.24444°W). She was beached by was later refloated, repaired and returned to service.
 * SS Tammerfos (1872) ( undefined): World War I: The coaster was torpedoed and sunk in the English Channel off Barfleur, Seine-Maritime, France by SMU UB-40 . Her crew survived.
 * SS Victoria (1881) (🇬🇷 Greece): World War I: The cargo ship was sunk in the Mediterranean Sea off Algiers, Algeria by SMU UC-37 . Her crew survived.

27 February

 * SS Brodmore (1890) ( undefined): World War I: The cargo ship was torpedoed and sunk in the Mediterranean Sea (33.83333°N, 21.03333°W) by SMU UB-43 . Her crew survived, but one of them was taken as a prisoner of war.
 * Brunette (🇫🇷 France): World War I: The sailing vessel was sunk in the English Channel off The Needles, Isle of Wight, United Kingdom by SMU UC-65.
 * Elena M. ( undefined): World War I: The sailing vessel was sunk in the Mediterranean Sea north west of Palermo, Sicily by SMU UC-38.
 * HMT Evadne : World War I: The naval trawler struck a mine and sank in the English Channel 8 nmi south of the Owers Lightship ( undefined) (50.55°N, -0.65°W) with the loss of twelve of her crew.
 *  Galgorm Castle ( undefined): World War I: The barque was shelled and sunk in the Atlantic Ocean 90 nmi west of the Fastnet Rock by SMU U-49 with the loss of eleven crew.
 * SS Luigino B. (1885) ( undefined): World War I: The cargo ship was sunk in the Atlantic Ocean north west of Tearaght Island, County Kerry, United Kingdom by SMU U-49 . Her crew survived.
 * Marie Madeleine (🇫🇷 France): World War I: The sailing vessel was shelled and sunk in the English Channel 10 nmi north of Ver-sur-Mer, Calvados (49.5°N, -0.66667°W).
 * SS Mecklenburg (1909) (🇳🇱 Netherlands): World War I: The passenger ship struck a mine and sank in the North Sea off the Galloper Lightship ( undefined).
 * S. Ciro Palmerino ( undefined): World War I: The sailing vessel was sunk in the Mediterranean Sea north west of Palermo by SMU UC-38.
 * SS Tritonia (1905) ( undefined): World War I: The cargo ship was torpedoed and sunk in the Atlantic Ocean north west of Tearaght Island (52.21667°N, -11.43333°W) by SMU U-49 with the loss of two crew.

28 February

 * FRENCH MINELAYER Cassini :World War I: The D'Iberville-class cruiser struck a mine and sank in the Strait of Bonifacio with the loss of 88 of her crew.
 * Elisabetta Concettina ( undefined): World War I: The sailing vessel was sunk in the Mediterranean Sea 35 nmi north of Linosa by SMU UC-35.
 * Emancipato ( undefined): World War I: The sailing vessel was sunk in the Mediterranean Sea east of Corsica, France by SMU U-65 (Germany).
 * Giustina Madre ( undefined): World War I: The sailing vessel was sunk in the Mediterranean Sea 35 nmi north of Linosa by SMU UC-35.
 *  Harriet Williams ( undefined): World War I: The schooner was scuttled in the English Channel 15 nmi north north east of Cap d'Antifer, Manche, France by SMU UB-18 . Her crew survived.
 * Immaculée Conception (🇫🇷 France): World War I: The sailing vessel was sunk in the English Channel 15 nmi south south west of Dungeness, Kent, United Kingdom by SMU UB-40 . Her crew survived.
 *  Marie Joseph (🇫🇷 France): World War I: The schooner was scuttled in the English Channel 1 nmi off Étretat, Seine-Maritime (49.73333°N, 0.18333°W) by SMU UC-65 . Her crew survived.
 * SS Shinsei Maru (1889) (🇯🇵 Japan): World War I: The cargo ship was sunk in the Mediterranean Sea 80 nmi north of Benghazi, Libya by SMU UB-43.
 * SS Sjøstad (1908) (🇳🇴 Norway): World War I: The cargo ship was sunk in the English Channel 10 nmi north west of Cap La Heve, Seine-Maritime by SMU UC-65 with the loss of nine of her crew.