Regina
| Name | Regina |
| Type | Sailing vessel |
| GRT | 593 tons |
| Country |  Russian |
| Built | 1874 |
| Builder | S. Andersson, Borgå |
| Operator | Torsten Klof, Borgå |
| History | Wooden bark. |
U-boat attacks on Sailing vessel Regina
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 23 May 1916 | U 34 (Claus Rücker) | Sunk | off the Balearic Islands | Gulfport - Baralona |
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