List of shipwrecks in June 1915

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

1 June

 * HMS Mohawk (1907) : World War I: The destroyer struck a mine and was damaged in the English Channel with the loss of five of her crew.
 * SMS Pommern : World War I: Battle of Jutland: The was torpedoed and sunk in the North Sea off Jutland by HMS Onslaught (1915)  with the loss of all 839 crew.
 * SS Saidieh (1878) ( undefined): World War I: The cargo ship was torpedoed and sunk in the Thames Estuary by SMU UB-6 with the loss of eight of her 54 crew.
 * Victoria ( undefined): World War I: The fishing vessel was shelled and sunk in the Atlantic Ocean off the Isles of Scilly (50.6°N, -6.33333°W) by SMU U-34 (Germany) with the loss of six crew.

2 June

 * SS Cubano (1912) (🇳🇴 Norway): World War I: The cargo ship was shelled and sunk in the Atlantic Ocean 15 nmi north east of the Flannan Isles, Outer Hebrides, United Kingdom (58.41667°N, -7.66667°W) by SMU U-35 (Germany) . Her crew survived.
 * SS Cyrus (1910) (🇩🇰 Denmark): World War I: The cargo ship was sunk in the North Sea (56.75°N, 2°W by SMU U-14 (Germany) . Her crew survived.
 * Delta B (🇧🇪 Belgium): World War I: The fishing vessel was shelled and sunk in the Atlantic Ocean 12 nmi south south west of the Isles of Scilly, United Kingdom (49.66667°N, -6.5°W) by SMU U-34 (Germany) . Her crew survived.
 * Hirose ( undefined): World War I: The trawler was shelled and sunk in the Atlantic Ocean 32 nmi west of the Isles of Scilly (49.83333°N, -7.16667°W) by SMU U-34 (Germany) . Her crew survived.
 * Salvador (🇩🇰 Denmark): World War I: The sailing vessel was stopped and sunk in the North Sea 7 nmi south west of Sumburgh Head, Aberdeenshire, United Kingdom by SMU U-19 (Germany) . Her crew survived.
 * SS Soeborg (🇩🇰 Denmark): World War I: The cargo ship was reported to have been torpedoed and sunk in the North Sea 65 nmi off the Farne Islands, Northumberland, United Kingdom.

3 June

 * Boy Horace ( undefined): World War I: The fishing smack was scuttled in the North Sea 50 nmi south east of Lowestoft, Suffolk by SMU UB-16 . Her crew survived.
 * Chrysoprasus ( undefined): World War I: The fishing vessel was shelleded and sunk in the North Sea 45 nmi east north east of Papa Westray, Orkney Islands by SMU U-19 (Germany) . Her crew survived.
 * Dogberry ( undefined): World War I: The trawler was stopped and scuttled in the North Sea 25 nmi east of Fair Isle by SMU U-19 (Germany) . Her crew survived.
 * E & C ( undefined): World War I: The fishing smack was scuttled in the North Sea 40 nmi south east by east of Lowestoft (51.81667°N, 2.81667°W) by SMU UB-16 . Her crew survived.
 * Economy ( undefined): World War I: The fishing smack was scuttled in the North Sea 50 nmi south east of Lowestoft by SMU UB-16 . Her crew survived.
 * Ena May ( undefined): World War I: The trawler was shelled and sunk in the North Sea 66 nmi south west by south of Sumburgh Head, Aberdeenshire by SMU U-19 (Germany) . Her crew survived.
 * SS Iona (1902) ( undefined): The cargo ship was torpedoed and sunk in the North Sea 22 nmi south east of Fair Isle (59.21667°N, -1.2°W) by SMU U-19 (Germany) . Her crew survived.
 * Kathleen ( undefined): World War I: The drifter was captured and scuttled in the North Sea 40 nmi east south east of Papa Stronsay Orkney Islands by SMU U-19 (Germany) . Her crew survived.
 * SS Lappland (1906) (🇸🇪 Sweden): World War I: The cargo ship was torpedoed and sunk in the North Sea off Peterhead, Aberdeenshire, United Kingdom by SMU U-14 (Germany) . Her crew survived.
 * SS Penfeld (1884) (🇫🇷 France): World War I: The coaster was sunk in the Bay of Biscay 50 nmi north west of Ouessant, Finistère by SMU U-34 (Germany) . Her crew survived.
 * Strathbran ( undefined): World War I: The trawler was shelled and sunk in the North Sea 35 nmi east south east of the Pentland Skerries by SMU U-19 (Germany) . Her crew survived.
 * Virginia (🇬🇷 Greece): The cargo ship struck a mine and sank in the Adriatic Sea off Trieste, Friuli-Venezia Giulia, Italy.

4 June

 * FRENCH CRUISER Casabianca : World War I: The was sunk by the explosion of one of her mines in the Gulf of Smyrna.
 * Cortes ( undefined): World War I: The trawler was scuttledin the North Sea 68 nmi east north east of Wick, Caithness by SMU U-19 (Germany) . Her crew survived.
 * SS Dunnet Head (1913) ( undefined): World War I: The coaster was torpedoed and sunk in the North Sea 35 nmi east by south of Dunnet Head, Caithness (58.7°N, -1.91667°W) by SMU U-19 (Germany) . Her crew survived.
 * Ebenezer ( undefined): World War I: The trawler was sunk in the North Sea 117 nmi south south west of the Out Skerries, Shetland Islands (58.51667°N, -1.35°W) by SMU U-19 (Germany) . Her crew survived.
 * Evening Star ( undefined): World War I: The trawler was shelled and sunk in the North Sea 68 nmi east north east of Wick by SMU U-19 (Germany) . Her crew survived.
 * Explorer ( undefined): World War I: The trawler was shelled and sunk in the North Sea 73 nmi north east by north of Buchan Ness, Aberdeenshire by SMU U-19 (Germany) . Her crew survived.
 *  George & Mary ( undefined): World War I: The schooner was shelled and sunk in the Atlantic Ocean 15 nmi south west of Eagle Island, County Mayo by SMU U-35 (Germany) . Her crew survived.
 * SS Inkum (1901) ( undefined): World War I: The cargo ship was torpedoed and sunk in the Atlantic Ocean 40 nmi south west of The Lizard, Cornwall (49.41667°N, -6.58333°W) by SMU U-34 (Germany) . Her crew survived.
 * Petrel ( undefined): World War I: The trawler was shelled and sunk in the North Sea 55 nmi north east of Buchan Ness by SMU U-19 (Germany) . Her crew survived.
 * RUSSIAN MINELAYER Yenisei : World War I: The minelayer was sunk in the Baltic Sea (59.16667°N, 23.71667°W) by SMU U-26 . Her crew survived.

5 June

 *  Adolf ( undefined): World War I: The schooner was sunk in the North Sea 30 nmi off Rattray Head, Aberdeenshire, United Kingdom by SMU U-19 (Germany) with the loss of two of her six crew.
 * Bardolph ( undefined): World War I: The trawler was shelled and sunk in the North Sea 115 nmi south by west of Sumburgh Head, Shetland Islands by SMU U-19 (Germany) . Her crew survived.
 * Curlew ( undefined): World War I: The trawler was shelled and sunk in the North Sea 40 nmi east of Peterhead, Aberdeenshire by SMU U-19 (Germany) . Her crew survived.
 * FRENCH DESTROYER Fantassin : The was rammed and damaged in the Ionian Sea by FRENCH DESTROYER Mameluck . She was consequenly scuttled by FRENCH DESTROYER Fauconneau.
 * Gazehound ( undefined): World War I: The trawler was shelled and sunk in the North Sea 40 nmi east of Peterhead by SMU U-19 (Germany) . Her crew survived.
 * Japonica ( undefined): World War I: The trawler was shelled and sunk in the North Sea 45 nmi east of Kinnaird Head, Aberdeenshire by SMU U-19 (Germany) . Her crew survived.
 * Persimon ( undefined): World War I: The trawler was shelled and sunk in the North Sea 50 nmi east north east of Peterhead by SMU U-19 (Germany) . Her crew survived.
 * SMU U-14 (Germany) : World War I: The Type U 13 submarine was shelled and sunk in the North Sea off Peterhead, United Kingdom by HMT Oceanic II with the loss of one of her 28 crew.

6 June

 * Arctic ( undefined): World War I: The trawler was shelled and sunk in the North Sea 77 nmi south east by south of Spurn Head, Yorkshire by SMU U-19 (Germany)  with the loss of four of her nine crew. Survivors were rescued by the trawler Jurassic ( undefined).
 * Dromio ( undefined): World War I: The trawler was scuttled in the North Sea 35 nmi north east by east of Buchan Ness, Aberdeenshire by SMU U-19 (Germany) . Her crew survived.
 * HMS Immingham : The stores carrier was lost in the Mediterranean Sea on this date.
 * Star of the West ( undefined): World War I: The trawler was shelled and sunk in the North Sea off Peterhead, Aberdeenshire by a German submarine. Her crew were rescued by the trawler Shamrock ( undefined).
 *  Sunlight ( undefined): World War I: The barque was torpedoed and sunk in the Atlantic Ocean 20 nmi south west of Galley Head, County Cork by SMU U-35 (Germany) . Her crew survived; they were rescued by the trawler Indian Empire.

7 June

 * SS Djeyhun ( Ottoman Empire): World War I: The cargo ship was torpedoed and sunk in the Sea of Marmara off Nagara Point, Turkey by HMS E11.
 * SS Glittertind (1913) (🇳🇴 Norway): World War I: The coaster was sunk in the North Sea 28 nmi off Whitby, Yorkshire, United Kingdom (58.91667°N, 0.16667°W) by SMU U-25 . Her crew survived.
 * SS Menapier (1906) (🇧🇪 Belgium): World War I: The cargo ship was torpedoed and sunk in the North Sea 2 nmi off the Tongue Lightship ( undefined) (51.46806°N, 1.5875°W) by SMU UB-10 with the loss of seventeen crew.
 * Nottingham ( undefined): World War I: The trawler was shelled and sunk in the North Sea 70 nmi north east of Spurn Point, Yorkshire by SMU U-25 . Her crew were rescued by the trawler Onward ( undefined).
 * Pentland ( undefined): World War I: The trawler was shelled and sunk in the North Sea 75 nmi east north east of Hornsea, Yorkshire by SMU U-25 . Her crew survived.
 * Saturn ( undefined): World War I: The trawler was shelled and sunk in the North Sea 86 nmi north east of Spurn Point by SMU U-25 . Her crew survived.
 *  Superb (🇳🇴 Norway): World War I: The barque was sunk in the Atlantic Ocean 50 nmi west of the Fastnet Rock (51.25°N, -10.75°W) by SMU U-34 (Germany) . Her crew survived.
 * SS Trudvang (1897) (🇳🇴 Norway): World War I: The cargo ship was sunk in the Atlantic Ocean 64 nmi south west by west of the smalls Lighthouse (51.13333°N, -6.75°W) by SMU U-35 (Germany) . Her crew survived.
 * Velocity ( undefined): World War I: The trawler was sunk in the North Sea 75 nmi north east of Spurn Point by SMU U-25 . Her crew survived.

8 June

 *  Express ( undefined): World War I: The schooner was scuttled in the Atlantic Ocean 44 nmisouth west of the Smalls Lighthouse by SMU U-35 (Germany) . Her crew survived.
 *  La Liberté (🇫🇷 France): World War I: The schooner was sunk in the Atlantic Ocean 60 nmi west of Lundy Island, Devon, United Kingdom by SMU U-35 (Germany) . Her crew survived.
 * SS Strathcarron (1912) ( undefined): World War I: The collier was torpedoed and sunk in the Atlantic Ocean 60 nmi west of Lundy Island (51.83333°N, -6.16667°W) by SMU U-35 (Germany) . Her crew survived.
 *  Susannah ( undefined): World War I: The schooner was scuttled in the Atlantic Ocean 40 nmi south south west of the Smalls Lighthouse (50.91667°N, -5.58333°W) by SMU U-35 (Germany) . Her crew survived.

9 June

 * Britannia ( undefined): World War I: The fishing smack was scuttled in the North Sea 50 nmi of Lowestoft, Suffolk by SMU UB-2 . Her crew survived.
 * Cardiff ( undefined): World War I: The trawler was shelled and sunk in the North Sea 90 nmi north east by east of Spurn Point, Yorkshire by SMU U-25 . Her crew were rescued by the trawler Vulture ( undefined).
 * Castor ( undefined): World War I: The trawler was shelled and sunk in the North Sea 80 nmi north east by north of Spurn Point by SMU U-25 . Her crew survived.
 * HMS Dublin (1912) : World War I: The cruiser was torpedoed and damaged in the Adriatic Sea off Cape Pali, Albania by SMU U-4 (Austria-Hungary)  with the loss of twelve of her 440 crew. HMS Dublin was subsequently repaired and returned to service.
 * Edward ( undefined): World War I: The fishing smack was scuttled in the North Sea 48 nmi east by south of Lowestoft by SMU UB-2 . Her crew survived.
 * SS Erna Boldt (1908) ( undefined): World War I: The cargo ship struck a mine and sank in the Thames Estuary 0.5 nmi north east by east of the Sunk Lightship ( undefined). Her crew survived.
 * J. Leyman ( undefined): World War I: The trawler was shelled and sunk in the North Sea 100 nmi east by north of Spurn Point by SMU U-25 . Her crew survived.
 * SS Lady Salisbury (1890) ( undefined): World War I: The cargo ship struck a mine and sank in the Thames Estuary 1 nmi north of the Sunk Lightship ( undefined) with the loss of three of her crew.
 * Laurestina ( undefined): World War I: The fishing smack was scuttled in the North Sea 30 nmi south east of Lowestoft by SMU UB-2 . Her crew survived.
 * Qui Vive ( undefined): World War I: The fishing smack was scuttled in the North Sea 48 nmi east by south of Lowestoft by SMU UB-2 . Her crew survived.
 * HMT Schiehallion : World War I: The naval trawler struck a mine and sank in the Dardanelles.
 * SS Svein Jarl (1909) (🇳🇴 Norway): World War I: The cargo ship was sunk in the North Sea 75 nmi south east of the Longstone Lighthouse (56.66667°N, -0.66667°W) by SMU U-19 (Germany) with the loss of twelve crew.
 * Tunisian ( undefined): World War I: The trawler was shelled and sunk in the North Sea 95 nmi north east by north of Spurn Point by SMU U-25 . Her crew survived.
 * Welfare ( undefined): World War I: The fishing smack was scuttled in the North Sea 50 nmi east south east of Lowestoft by SMU UB-2 . Her crew survived.

10 June

 * SS Dania (1905) ( undefined): World War I: The cargo ship was sunk in the Atlantic Ocean 55 nmi north by west of the Butt of Lewis, Outer Hebrides, United Kingdom by SMU U-33 (Germany).
 * Intrepid ( undefined): World War I: The fishing smack was scuttled in the North Sea 60 nmi south east of Lowestoft, Suffolk by SMU UB-2 . Her crew survived.
 * ITALIAN SUBMARINE Medusa : World War I: The was torpedoed and sunk in the Adriatic Sea off Porto di Piave Vecchia, Veneto by SMU UB-15.
 * HM TORPEDO BOAT 10 : World War I: The torpedo boat struck a mine and sank in the North Sea with the loss of 22 of her crew.
 * HM TORPEDO BOAT 12 : World War I: The torpeod boat struck a mine and sank in the North Sea with the loss of 23 of her crew.
 *  Thomasina ( undefined): World War I: the full-rigged ship was sunk in the Atlantic Ocean 49 nmi south south east of Roche's Point Lighthouse, County Cork, United Kingdom by SMU U-35 (Germany).

11 June

 * SS Arndale ( undefined): World War I: The cargo ship struck a mine and sank in the White Sea with the loss of three of her crew.
 * Dovey ( undefined): World War I: The trawler struck a mine and sank in the North Sea with the loss of nine of her crew.
 * SS Otago (1882) (🇸🇪 Sweden): World War I: The cargo ship was torpedoed and sunk in the North Sea 30 nmi east by north of Coquet Island, Northumberland, United Kingdom by SMU U-19 (Germany) . Her crew survived.
 * Plymouth ( undefined): World War I: The trawler was shelled and sunk in the North Sea 67 nmi north east of Spurn Head, Yorkshire by SMU U-19 (Germany) . Her crew survived.
 * Waago ( undefined): World War I: The trawler was scuttled in the North Sea 80 nmi north east by north of Spurn Point by SMU U-19 (Germany) . Her crew survived.

12 June

 * Bellglade (🇳🇴 Norway): World War I: The sailing vessel was sunk in the Irish Sea off St. Ann's Head, Pembrokeshire, United Kingdom (50.91667°N, -6.58333°W) by SMU U-35 (Germany) . Her crew survived.
 *  Cocos (🇩🇰 Denmark): World War I: The three-masted schooner was stopped and sunk in the North Sea (56.66667°N, -1.4°W) by SMU U-17 (Germany) . Her crew survived.
 *  Crown of India ( undefined): World War I: The four-masted barque was shelled and sunk in the Irish Sea 70 nmi west south west of St. Ann's Head (50.91667°N, -6.58333°W) by SMU U-35 (Germany) . Her crew survived.
 * SS Desabla ( undefined): World War I: The tanker was torpedoed, shelled, and sunk in the North Sea 35 nmi off Montrose, Forfarshire by SM U-17.
 * SS Leuctra (1899) ( undefined): World War I: The cargo ship was torpedoed and sunk in the North Sea 1.5 nmi south east by south of the Shipwash Lightship ( undefined) by SMU UB-16 . Her crew survived.

13 June

 *  Diamant (🇫🇷 France): world War I: The barque was sunk in the Irish Sea 50 nmi west of Lundy Island, Devon, United Kingdom by SMU U-35 (Germany).
 * SS Hopemount (1904) ( undefined): World War I: The cargo ship was shelled and sunk in the Irish Sea 70 nmi west by south of Lundy Island by SMU U-35 (Germany) . Her crew survived.
 * SS Pelham (1906) ( undefined): World War I: The cargo ship was scuttled in the Atlantic Ocean 30 nmi north west of the Isles of Scilly (50.26667°N, -6.91667°W) by SMU U-35 (Germany) . Her crew survived.
 * Queen Alexandra ( undefined): World War I: The trawler struck a mine and sank in the North Sea off Tod Head, Aberdeenshire.

14 June

 * SS Davanger (1888) (🇳🇴 Norway): World War I: The cargo ship was shelled and sunk in the Atlantic Ocean 16 nmi west north west of the Flannan Islands, Outer Hebrides, United Kingdom (58.33333°N, -8.16667°W) by SMU U-33 (Germany) . Her crew survived.

15 June

 * Argyll ( undefined): World War I: The trawler struck a mine and sank in the North Sea 12 nmi east south east of Harwich, Essex with the loss of seven of her crew.
 * SS Strathnairn (1906) ( undefined): World War I: The cargo ship was torpedoed and sunk in the Bristol Channel 2 nmi west of Ramsey Island, Pembrokeshire (50.26667°N, -6.61667°W) by SMU U-22 (Germany) with the loss of 21 crew.

16 June

 * SS Trafford (1896) ( undefined): World War I: The coaster was shelled and sunk in the Atlantic Ocean 30 nmi west south west of the Tuskar Rock by SMU U-22 (Germany).

18 June

 * SS Ailsa (1884) ( undefined): World War I: The coaster was captured and sunk in the North Sea 12 nmi south of Arbroath, Forfarshire by SMU U-17 (Germany) . Her crew survived.

19 June

 * SS Dulcie (1900) ( undefined): World War I: The cargo ship was torpedoed and sunk in the North Sea 6 nmi east of Aldeburgh, Suffolk by SMU UB-13 with the loss of a crew member.

20 June

 *  Anda (🇳🇴 Norway): The barque ran aground on the Ridings Rocks, Bahamas and was wrecked. Her crew survived.
 * SS Nuria ( undefined): The cargo liner was driven ashore and wrecked near Colombo, Ceylon.
 * Premier ( undefined): World War I: The trawler was shelled and sunk in the Atlantic Ocean] 70 nmi north north east of Cape Wrath, Sutherland by SMU U-22 (Germany) . Her crew survived.

21 June

 * SS Carisbrook (1907) ( undefined): World War I: The cargo ship was shelled and sunk in the North Sea 70 nmi south by west of Start Point, Sanday, Orkney Islands by SMU U-38 . Her crew survived.

22 June

 * Leo Usikanpunski ( undefined): World War I: The sailing vessel was sunk in the North Sea by SMU U-38.

23 June

 * Elizabeth ( undefined): World War I: The drifter was shelled and sunk in the North Sea 40 nmi east north east of the Out Skerries, Orkney Islands by SMU U-38 . Her crew survived.
 * Four ( undefined): World War I: The drifter was shelled and sunk in the North Sea 45 nmi north east by east of the Out Skerries by SMU U-38 . Her crew survived.
 * Josephine ( undefined): World War I: The drifter was shelled and sunk in the North Sea 40 nmi north east by east of the Out Skerries by SMU U-38 . Her crew survived.
 * Piscatorial ( undefined): World War I: The drifter was shelled and sunk in the North Sea 41 nmi east north east of the Out Skerries by SMU U-38 . Her crew survived.
 * HMT Quail III : The naval trawler collided with ST Bulldog ( undefined) and sank in the English Channel 7 nmi south west of Portland Bill, Dorset. Her crew survived.
 * Research ( undefined): World War I: The drifter was shelled and sunk in the North Sea 42 nmi north east of the Out Skerries by SMU U-38 . Her crew survived.
 * SS Truma (1896) (🇳🇴 Norway): World War I: The cargo ship was sunk in the North Sea south of the Shetland Islands, United Kingdom (59.9°N, 0.15°W) by SMU U-38 . Her crew survived.
 * SS Tunisiana (1906) ( undefined: World War I: The cargo ship was torpedoed and damaged in the North Sea off Lowestoft, Suffolk by SMU UB-16 . She ran aground on the Barnard Sands and was a total loss. Her crew survived.
 * SMU U-40 (Germany) : World War I: The Type U 31 submarine was torpedoed and sunk in the North Sea off Eyemouth, Berwickshire, United Kingdom by HMS C24 with the loss of 38 of her 41 crew.
 * Uffa ( undefined): World War I: The drifter was shelled and sunk in the North Sea 40 nmi east north east of the Out Skerries by SMU U-38 . Her crew survived.
 * Ugiebrae ( undefined): World War I: The drifter was shelled and sunk in the North Sea 35 nmi east north east of the Out Skerries by SMU U-38 . Her crew survived.

24 June

 * Commander ( undefined): World War I: The trawler was shelled and sunk in the North Sea 40 nmi east north east of the Out Skerries, Orkney Islands by SMU U-38 . Her crew survived.
 * SS Drumloist ( undefined): World War I: The cargo ship struck a mine and sank in the White Sea.
 * J. M. & S. ( undefined): World War I: The drifter was shelled and sunk in the North Sea 42 nmi east north east of the Out Skerries by SMU U-38 . Her crew survived.
 * SS Kyanite ( undefined): The cargo ship came ashore at Hot Point, Cornwall. All but two of the crew were taken off by the tug Victor.
 * Lebanon ( undefined): World War I: The trawler was shelled and sunk in the North Sea 40 nmi east north east of the Out Skerries by SMU U-38 . Her crew survived.
 * Monarda ( undefined): World War I: The drifter was shelled and sunk in the North Sea 41 nmi east north east of the Out Skerries by SMU U-38 . Her crew survived.
 * Primrose ( undefined): World War I: The drifter was shelled and sunk in the North Sea 40 nmi north east by east of the Out Skerries by SMU U-38 . Her crew survived.
 * Quiet Waters ( undefined): World War I: The drifter was shelled and sunk in the North Sea 25 nmi east of the Out Skerries by SMU U-38 . Her crew survived.
 * Star of Bethlehem ( undefined): World War I: The drifter was shelled and sunk in the North Sea 40 nmi east north east of the Out Skerries by SMU U-38 . Her crew survived.
 * Viceroy ( undefined): World War I: The trawler was shelled and sunk in the North Sea 50 nmi east north east of the Out Skerries by SMU U-38 . Her crew survived.
 * Vine ( undefined): World War I: The trawler was shelled and sunk in the North Sea 30 nmi north east by east of the Out Skerries by SMU U-38 . Her crew survived.

26 June

 * Campania ( undefined): World War I: The trawler was shelled and sunk in the North Sea 60 nmi north of Hoy Head, Orkney Islands by SMU U-39 . Her crew survived.
 * ITALIAN TORPEDO BOAT Torpedinere 5 pn : The torpedo boat was sunk in the Gulf of Venice by SMU UB-1.

27 June

 *  Edith ( undefined): World War I: The schooner was shelled and sunk in the Atlantic Ocean 10 nmi south east of Capel Island, County Cork by SMU U-24 . Her crew survived.
 * SS Indrani (1888) ( undefined): World War I: The cargo ship was torpedoed and sunk in St. George's Channel 36 nmi south west of the Tuskar Rock by SMU U-24 . Her crew survived.
 * SS Lucena (1913) ( undefined: World War I: The coaster was shelled and sunk in the Atlantic Ocean 4 nmi south of Capel Island by SMU U-24 . Her crew survived.
 * ITALIAN TORPEDO BOAT 5 PN : World War I: The was torpedoed and sunk in the Gulf of Venice by SMU UB-1 . <1-- same as Torpedinere 5 pn listed under June 26? -->

28 June

 * SS Armenian ( undefined): World War I: The White Star Line-owned cargo ship was torpedoed and sunk in the Atlantic Ocean (50.66667°N, -6.4°W) by SMU U-24 with the loss of 29 crew. Survivors were rescued by SS President Stevens (🇧🇪 Belgium).
 *  Dumfriesshire ( undefined): World War I: The barque was torpedoed and sunk in the Atlantic Ocean 25 nmi off the Smalls Lighthouse by SMU U-24 . Her crew survived.

29 June

 *  Cambuskenneth (🇳🇴 Norway): World War I: The full-rigged ship was sunk in the Atlantic Ocean 26 nmi south west by south of Galley Head, County Cork, United Kingdom by SMU U-39 . Her crew survived.
 * SS Glynymel ( undefined): The cargo ship broke in two at Devonport, Devon whilst discharging a cargo of coal.
 * Kotka (🇳🇴 Norway): World War I: The sailing ship was damaged in the Atlantic Ocean 30 nmi south west by west of the Bull Rock Lighthouse, County Cork by SMU U-39 . She was beached but was later refoated, repaired and returned to service.

30 June

 * HMS Lightning (1895) : World War I: The struck a mine in the Thames Estuary off the Kentish Knock lightship ( undefined). She broke in two, the bow section sinking with the loss of fifteen of her crew. The stern section was towed to Sheerness, Kent where it was later scrapped.
 * SS Lomas (1898): ( undefined): World War I: The cargo ship was torpedoed and sunk in the Atlantic Ocean 65 nmi west of the Bishop Rock, Isles of Scilly (49.5°N, -8.25°W) by SMU U-39 with the loss of a crew member.
 * SS Scottish Monarch (1906) ( undefined): World War I: The cargo ship was shelled and sunk in the Atlantic Ocean 40 nmi south of the Ballycotton Lighthouse, County Cork (51.16667°N, -8°W) by SMU U-24 with the loss of fifteen of her seventeen crew. The survivors were rescued by the trawler 483 ( undefined).
 * HMT Thistle IV : The naval trawler collided with another vessel in the Irish Sea off Great Orme Head, Caernarfonshire and sank.
 *  Thistlebank (🇳🇴 Norway): World War I: The barque was sunk in the Atlantic Ocean 25 nmi south west of the Fastnet Rock (51.15°N, -9.83333°W) by SMU U-24 . Her crew survived.
 * SMU UC-2 : World War I: The Type UC 1 submarine struck a mine and sank in the North Sea off Lowestoft, Suffolk, United Kingdom.

Unknown date

 * SS Krimpen ( undefined): The cargo ship collided with SS Den of Ewnie ( undefined) at Port Said, Egypt and sank.
 * SS Mosvalla ( undefined): The whaler foundered with the loss of all hands. She was on a voyage from Saldanha, Western Cape, South Africa to Table Bay.
 * SS Verdandi (🇸🇪 Sweden): World War I: The cargo ship was sunk in the North Sea off Christianasund by SMS Meteor (auxiliary cruiser).
 * SS Zweema (1889) ( undefined): The cargo ship struck a rock and foundered in the Madura Strait.