Otto
| Name | Otto |
| Type | Steamer |
| GRT | 401 tons |
| Country |  Norwegian |
| Built | 1915 |
| Builder | N. V. Scheepswerft Farmsum, Delfzijl |
| Operator | A/S Isbjørn (J. T. Østbø), Stavanger |
| History |
U-boat attacks on Steamer Otto
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 15 Jan 1917 | UC 18 (Wilhelm Kiel) | Sunk | 10 miles NW of Belle Ile | 47° 32'N, 3° 41'W | Middlesbrough - St. Nazaire | pitch | 0 |
Position of attack on Otto
If you can help us with any additional information on this vessel then please contact us.