Octo
| Name | Octo |
| Type | Steamer |
| GRT | 1,620 tons |
| Country |  Norwegian |
| Built | 1910 |
| Builder | Short Bros. Ltd., Sunderland |
| Operator | A/S D/S Octo (B. Stolt-Nielsen), Christiania |
| History |
U-boat attacks on Steamer Octo
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 13 Jun 1918 | UC 22 (Heino von Heimburg) | Sunk | Mined NE Zemra Island, Tunisia | 37.08N, 10.54E | Licata, Sicily - Cette | sulphur | 12 |
| Mine laid June 19, 1917 | ||||||||
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