HMS Mignonette
| Name | HMS Mignonette |
| Type | Sloop |
| GRT | 1,250 tons |
| Country |  British |
| Built | 1916 |
| Builder | Dunlop, Bremner & Co., Ltd., Port Glasgow |
| Operator | Royal Navy |
| History |
U-boat attacks on Sloop Mignonette
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 17 Mar 1917 | UC 66 (Herbert Pustkuchen) | Sunk | Mined off SW coast of Ireland | 14 |
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