HMT Crownsin
| Name | HMT Crownsin |
| Type | Navy trawler |
| GRT | 137 tons |
| Country |  British |
| Built | 1895 |
| Builder | J. C. Tecklenborg, Geestemünde |
| Operator | Royal Navy |
| History | The German trawler Varel, renamed after being captured by HMS Arethusa on October 7, 1915. |
U-boat attacks on Navy trawler Crownsin
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 4 May 1916 | U 73 (Gustav Sieß) | Sunk | Mined off Malta | 11 |
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