This is the full listing of all ships hit during October 1915. You can click on any of the links for further information on either ship, U-boat, commander or convoy.
| Date | U-boat | Commander | | Name of ship | Tons | Nat. |
| |
| 1 Oct 1915 | U 16 | Leo Hillebrand | | Pallas (p.) | 838 |  | sw |
| 1 Oct 1915 | U 33 | Konrad Gansser | | Provincia | 3,523 |  | fr |
| 2 Oct 1915 | U 33 | Konrad Gansser | | Arabian | 2,744 |  | br |
| 2 Oct 1915 | U 33 | Konrad Gansser | | Sainte Marguerite | 3,908 |  | fr |
| 2 Oct 1915 | U 39 | Walter Forstmann | | Sailor Prince | 3,144 |  | br |
| 3 Oct 1915 | U 33 | Konrad Gansser | | Antonie | 2,698 |  | fr |
| 4 Oct 1915 | U 33 | Konrad Gansser | | Craigston | 2,617 |  | br |
| 4 Oct 1915 | U 33 | Konrad Gansser | | Yunnan (d.) | 6,474 |  | fr |
| 4 Oct 1915 | UC 5 | Herbert Pustkuchen | | Enfield (d.) | 2,124 |  | br |
| 5 Oct 1915 | U 33 | Konrad Gansser | | Burrsfield | 4,037 |  | br |
| 5 Oct 1915 | U 33 | Konrad Gansser | | X130 | 160 |  | br |
| 5 Oct 1915 | UC 6 | Matthias Graf von Schmettow | | Alose | 214 |  | fr |
| 5 Oct 1915 | UC 7 | Franz Wäger | | Novocastrian | 1,151 |  | br |
| 6 Oct 1915 | U 33 | Konrad Gansser | | Dimitrios | 2,508 |  | gr |
| 6 Oct 1915 | U 33 | Konrad Gansser | | Scawby | 3,658 |  | br |
| 6 Oct 1915 | U 33 | Konrad Gansser | | Silverash | 3,753 |  | br |
| 6 Oct 1915 | UC 5 | Herbert Pustkuchen | | Brighton Queen | 553 |  | br |
| 6 Oct 1915 | UC 7 | Franz Wäger | | Texelstroom | 1,601 |  | nl |
| 7 Oct 1915 | U 33 | Konrad Gansser | | Amiral Hamelin | 5,051 |  | fr |
| 7 Oct 1915 | U 39 | Walter Forstmann | | Halizones | 5,093 |  | br |
| 7 Oct 1915 | UB 14 | Heino von Heimburg | | Katja | 474 |  | ru |
| 8 Oct 1915 | U 39 | Walter Forstmann | | Thorpwood | 3,184 |  | br |
| 8 Oct 1915 | UB 14 | Heino von Heimburg | | Apscheron | 1,864 |  | ru |
| 9 Oct 1915 | U 39 | Walter Forstmann | | Apollo | 3,774 |  | br |
| 10 Oct 1915 | UC 5 | Herbert Pustkuchen | | Newcastle | 3,403 |  | br |
| 12 Oct 1915 | U 39 | Walter Forstmann | | Restore | 93 |  | br |
| 12 Oct 1915 | UC 5 | Herbert Pustkuchen | | Frons Oliviae | 98 |  | br |
| 14 Oct 1915 | UC 3 | Erwin Waßner | | Salerno | 2,071 |  | br |
| 16 Oct 1915 | UC 3 | Erwin Waßner | | Volscian (d.) | 570 |  | br |
| 17 Oct 1915 | UC 3 | Erwin Waßner | | Javelin | 205 |  | br |
| 18 Oct 1915 | U 35 | Waldemar Kophamel | | Scilla | 1,220 |  | it |
| 18 Oct 1915 | UC 6 | Matthias Graf von Schmettow | | Aleppo (d.) | 3,870 |  | br |
| 18 Oct 1915 | UC 6 | Matthias Graf von Schmettow | | Salerno | 2,431 |  | nw |
| 19 Oct 1915 | UC 5 | Herbert Pustkuchen | | Erin Ii | 181 |  | br |
| 20 Oct 1915 | UC 5 | Herbert Pustkuchen | | Star Of Buchan | 81 |  | br |
| 21 Oct 1915 | UC 1 | Egon von Werner | | Scott | 288 |  | br |
| 21 Oct 1915 | UC 6 | Matthias Graf von Schmettow | | Monitoria | 1,904 |  | br |
| 22 Oct 1915 | UC 5 | Herbert Pustkuchen | | Grappler | 102 |  | br |
| 23 Oct 1915 | U 35 | Waldemar Kophamel | | Marquette | 7,057 |  | br |
| 23 Oct 1915 | UC 5 | Herbert Pustkuchen | | Ilaro | 2,799 |  | br |
| 24 Oct 1915 | U 17 | Hans Walther | | Rumina (p.) | 1,418 |  | sw |
| 25 Oct 1915 | UC 3 | Erwin Waßner | | Selma | 1,654 |  | nw |
| 25 Oct 1915 | UC 5 | Herbert Pustkuchen | | Velox | 380 |  | br |
| 31 Oct 1915 | UC 6 | Matthias Graf von Schmettow | | Aries | 268 |  | br |
| 31 Oct 1915 | UC 6 | Matthias Graf von Schmettow | | Eidsiva | 1,092 |  | nw |
| 31 Oct 1915 | UC 6 | Matthias Graf von Schmettow | | Othello Ii | 206 |  | br |
| 31 Oct 1915 | UC 6 | Matthias Graf von Schmettow | | Toward | 1,218 |  | br |
|
| 97,754 | | | 43 ships sunk (84,716 tons) and 4 ships damaged (13,038 tons). Legend (d.) means the ship was damaged. (p.) means the ship was taken as prize (included in ships & tonnage lost).
|
This map shows where Allied ships were hit during October 1915.
Resource id #76
ms = 33.10N26.26E,33.12N25.28E,33.44N24.40E,34.36N27.04E,35.30N18.20E,35.33N20.56E,35.37N19.08E,35.43N18.24E,35.45N19.05E,35.47N22.33E,35.57N21.00E,35.58N21.53E,36.04N22.53E,36.07N22.30E,50.41N01.20W,51.00N01.24E,51.45N01.42E,51.47N01.31E
In some cases the exact positions of losses are not known, those are not shown.