Anna
| Name | Anna |
| Type | Sailing vessel |
| GRT | 172 tons |
| Country |  Swedish |
| Built | 1866 |
| Builder | C. R. Möller |
| Operator | A.P. Elfving, Länna |
| History | Wooden brigantine. Build as Ane. |
U-boat attacks on Sailing vessel Anna
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 30 Jul 1916 | UB 36 (Kurt Albrecht) | Sunk | Stopped and sunk off Raumo | Höggarn - Raumo | Ore and empty petrol casks | 0 | |
| Master: O. Andersson | ||||||||
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