Conoid
| Name | Conoid |
| Type | Sailing vessel |
| GRT | 165 tons |
| Country |  British |
| Built | 1865 |
| Builder | Carnegie, Peterhead |
| Operator | Theophilus W. Couch, Pentewan, Cornwall |
| History | Wooden schooner. |
U-boat attacks on Sailing vessel Conoid
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 29 Mar 1917 | UB 40 (Hans Howaldt) | Sunk | Stopped and sunk 3.5 miles N of the Barfleur light | Fowey - Rouen | china clay | 0 |
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