William Morrison
| Name | William Morrison |
| Type | Navy Trawler |
| GRT | 212 tons |
| Country |  British |
| Built | 1915 |
| Builder | Alexander Hall & Co. Ltd., Aberdeen |
| Operator | Royal Navy |
| History | Peace-time operator: Pioneer Steam Fishing Co. Ltd., Grimsby |
U-boat attacks on Navy Trawler William Morrison
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 28 Nov 1915 | UC 7 (Franz Wäger) | Sunk | Mined near the Sunk Head Buoy | 51.53N, 01.31E | 3 |
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