Columba
| Name | Columba |
| Type | Navy Trawler |
| GRT | 138 tons |
| Country |  British |
| Built | 1893 |
| Builder | Hawthorns & Co. Ltd., Leith |
| Operator | Royal Navy |
| History | Peace-time operator: Thomas L. Devlin, Granton |
U-boat attacks on Navy Trawler Columba
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 10 Mar 1918 | UC 40 (Hermann Menzel) | Sunk | Mined off May Island 2nm in S08W mag.
| 56° 10'N, 2° 34'W | 5 |
Position of attack on Columba
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