HMT Ladysmith
| Name | HMT Ladysmith |
| Type | Navy Trawler |
| GRT | 254 tons |
| Country |  British |
| Built | 1906 |
| Builder | Cochrane & Sons, Selby |
| Operator | Royal Navy |
| History | Peace-time operator: Henry Lewis Taylor, Grimsby. Port registrtion: GY 183 |
U-boat attacks on Navy Trawler Ladysmith
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 20 Aug 1917 | Damaged | Mined 2 miles N07°E of the North Knock Buoy. | 0 | ||||
| Towed to Harwich; repaired. | ||||||||
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