Lady Ann
| Name | Lady Ann |
| Type | steamer |
| GRT | 1,016 tons |
| Country |  British |
| Built | 1882 |
| Builder | S. P. Austin & Son, Sunderland |
| Operator | Lambton & Hetton Collieries, Ltd |
| History |
U-boat attacks on steamer Lady Ann
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 16 Feb 1917 | UB 21 (Franz Walther) | Sunk | 3 miles ExS Scarborough | Sunderland - Rochester | coal | 11 |
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