HMT Courtier
| Name | HMT Courtier |
| Type | Navy trawler |
| GRT | 181 tons |
| Country |  British |
| Built | 1910 |
| Builder | Cook, Welton & Gemmell, Ltd., Beverley |
| Operator | Royal Navy |
| History | Peace-time operator: Queen Steam Fishing Co. Ltd., Grimsby. registration: GY 564 |
U-boat attacks on Navy trawler Courtier
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 6 Jan 1916 | Sunk | Mined off Kilnsea (Spurn Head). | 53.39N, 00.09E | 12 | |||
| Mine likely laid by UC 6 on December 7, 1915. | ||||||||
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