Westonby
| Name | Westonby |
| Type | Steamer |
| GRT | 3,795 tons |
| Country |  British |
| Built | 1901 |
| Builder | Ropner & Son, Stockton |
| Operator | Sir R. Ropner & Co., Ltd., West Hartlepool |
| History | Trunk deck steamer. |
U-boat attacks on Steamer Westonby
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 15 Jun 1917 | U 82 (Hans Adam) | Sunk | 195 miles SWxS of Fastnet | Huelva - London | lead & pyrites | 0 |
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