Dea
| Name | Dea |
| Type | Sailing vessel |
| GRT | 1,109 tons |
| Country |  Norwegian |
| Built | 1890 |
| Builder | E. Cravero & Co., Genova |
| Operator | Skibs-A/S Dea (Th. Brøvig), Farsund |
| History | Steel-hulled bark. Built as Margherita. |
U-boat attacks on Sailing vessel Dea
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 25 Jul 1917 | UC 49 (Karl Petri) | Sunk | Stopped and scuttled | 60.20N, 04.01W | Stavanger – Halifax, NS & Baltimore | in ballast | 0 |
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