Acorn
| Name | Acorn |
| Type | Sailing vessel |
| GRT | 112 tons |
| Country |  British |
| Built | 1864 |
| Builder | Owen, Aberdovey |
| Operator | Edward Maynard, Aberystwith |
| History | Wooden schooner |
U-boat attacks on Sailing vessel Acorn
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 26 Sep 1917 | UC 69 (Hugo Thielmann) | Sunk | Stopped and sunk by gunnery 20 miles SxE of Start Point | Granville-Cardiff | in ballast | 0 |
If you can help us with any additional information on this vessel then please contact us.