Francois Joseph
| Name | Francois Joseph |
| Type | Sailing vessel |
| GRT | 114 tons |
| Country |  French |
| Built | 1864 |
| Builder | ?, Corsica |
| Operator | Leandri Lucchius, Marseille |
| History | Wooden brigantine |
U-boat attacks on Sailing vessel Francois Joseph
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 29 Aug 1916 | U 38 (Max Valentiner) | Sunk | off E coast of Spain |
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