Clacton
| Name | Clacton |
| Type | Auxiliary minesweeper |
| GRT | 820 tons |
| Country |  British |
| Built | 1904 |
| Builder | Earle’s SB. & Eng. Co., Ltd., Hull |
| Operator | Royal Navy |
| History | Peace-time operator: Great Eastern Railway Company, Harwich |
U-boat attacks on Auxiliary minesweeper Clacton
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 3 Aug 1916 | U 73 (Gustav Sieß) | Sunk | Torpedoed in Kavalla Bay, Aegean Sea | 40.46N, 23.53E | 5 |
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