Boy Horace
| Name | Boy Horace |
| Type | Fishing vessel (smack) |
| GRT | 69 tons |
| Country |  British |
| Built | 1902 |
| Builder | ?, Lowestoft |
| Operator | John Runacres, Lowestoft |
| History | Fishing registration: LT 943 |
U-boat attacks on Fishing vessel (smack) Boy Horace
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 3 Jun 1915 | UB 16 (Hans Valentiner) | Sunk | Stopped and scuttled 50 miles SE of Lowestoft | 0 |
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