Colenso
| Name | Colenso |
| Type | Steamer |
| GRT | 3,861 tons |
| Country |  British |
| Built | 1900 |
| Builder | R. Stephenson & Co., Ltd., Newcastle |
| Operator | T. Wilson, Sons & Co., Ltd., Hull |
| History |
U-boat attacks on Steamer Colenso
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 30 Nov 1915 | U 33 (Konrad Gansser) | Sunk | 95 miles ESE of Malta | 35° 34'N, 16° 33'E | Tees & Hull - Bombay | general cargo | 1 |
Position of attack on Colenso
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