Au Revoir
| Name | Au Revoir |
| Type | Auxiliary minesweeper |
| GRT | 1,058 tons |
| Country |  French |
| Built | 1896 |
| Builder | W. Denny & Bros., Dumbarton |
| Operator | French Navy |
| History | Peace-time operator: P. Hattemer, Boulogne |
U-boat attacks on Auxiliary minesweeper Au Revoir
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 26 Feb 1916 | UB 18 (Otto Steinbrinck) | Sunk | Off Le Havre | 49.33N, 00.04E | 0 |
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