Blanche
| Name | Blanche |
| Type | Sailing vessel |
| GRT | 160 tons |
| Country |  French |
| Built | 1909 |
| Builder | G. Cornemuse, Dunkirk |
| Operator | Vancauwenberghe - Lemaise fils, Dunkirk |
| History | Wooden schooner |
U-boat attacks on Sailing vessel Blanche
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 8 Sep 1917 | UB 35 (Karl Stöter) | Sunk | Stopped and sunk N of Ushant |
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