Saint Yves
| Name | Saint Yves |
| Type | Sailing vessel |
| GRT | 165 tons |
| Country |  French |
| Built | 1909 |
| Builder | E. Bonne, Kerity |
| Operator | J. Jézéquel and L Heurtel, Paimpol |
| History | Wooden schooner. |
U-boat attacks on Sailing vessel Saint Yves
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 26 Oct 1916 | UB 23 (Ernst Voigt) | Sunk | W of Belle Ile | 47.24N, 03.48W | La Rochelle - Fowey | ||
| 47°10N’, 3°37’W per KTB | ||||||||
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