Stifinder
| Name | Stifinder |
| Type | Sailing vessel |
| GRT | 1,745 tons |
| Country |  Norwegian |
| Built | 1893 |
| Builder | R. Duncan & Co. Ltd., Port Glasgow |
| Operator | A/S Christianssand (S. O. Stray & Co.), Kristiansand |
| History | Steel-hulled bark. Built as Pass of Killiecrankie. |
U-boat attacks on Sailing vessel Stifinder
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 14 Oct 1918 | U 152 (Adolf Franz) | Sunk | 37.42N, 53.41W | New York - Freemantle | case oil | 0 | |
| Stopped and scuttled | ||||||||
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