Young Percy
| Name | Young Percy |
| Type | Fishing vessel (smack) |
| GRT | 45 tons |
| Country |  British |
| Built | 1905 |
| Builder | J.W. & A. Upham, Brixham |
| Operator | William Robbens, Lowestoft |
| History | Fishing registration: LT 455 |
U-boat attacks on Fishing vessel (smack) Young Percy
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 28 Jul 1915 | UB 13 (Walther Gustav Becker) | Sunk | Stopped and sunk 30 miles ExN of Lowestoft | 0 |
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