Duen
| Name | Duen |
| Type | Fishing vessel |
| GRT | 30 tons |
| Country |  Norwegian |
| Built | 1905 |
| Builder | |
| Operator | Jacob Kornelius Hansen, Vardø |
| History | A seal catcher fitted with a motor. |
U-boat attacks on Fishing vessel Duen
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 5 Jun 1917 | U 28 (Georg Schmidt) | Sunk | Stopped and scuttled NNE of Vardö, Barents Sea | 0 |
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