Bretagne
| Name | Bretagne |
| Type | Sailing vessel |
| GRT | 316 tons |
| Country |  French |
| Built | 1914 |
| Builder | Crespeau Legobien, Cancale |
| Operator | Louis Girard, St. Malo |
| History |
U-boat attacks on Sailing vessel Bretagne
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 15 Oct 1918 | U 43 (Johannes Kirchner) | Sunk | Sunk by gunnery in the Atlantic. | 9 |
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