Anna
| Name | Anna |
| Type | Steamer |
| GRT | 2,000 tons |
| Country |  Russian |
| Built | 1899 |
| Builder | Helsingørs Jernskibsvft. & Maskinbyg., Helsingør |
| Operator | Russisch Baltische Dampfsch. Ges. (Helmsing & Grimm), Riga |
| History |
U-boat attacks on Steamer Anna
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 8 Jul 1915 | U 25 (Otto Wünsche) | Sunk | 35 miles NExE of Kinnaird Head | Arkhangelsk - Hull | deals & battens |
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