Boy Percy
| Name | Boy Percy |
| Type | Fishing vessel (smack) |
| GRT | 46 tons |
| Country |  British |
| Built | 1899 |
| Builder | ?, Lowestoft |
| Operator | George R. Warman, Lowestoft |
| History | Fishing registration: LT 90 |
U-boat attacks on Fishing vessel (smack) Boy Percy
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 17 May 1916 | UB 29 (Herbert Pustkuchen) | Sunk | Stopped and sunk off Southwold together with Boy Sam | ||||
| Missing vessel, crew never heard of. | ||||||||
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