Unione Salvatore
| Name | Unione Salvatore |
| Type | Sailing vessel |
| GRT | 57 tons |
| Country |  Italian |
| Built | 1892 |
| Builder | A. Bascone, Trapani |
| Operator | Paolo Salvo, Trapani |
| History | Wooden cutter |
U-boat attacks on Sailing vessel Unione Salvatore
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 26 May 1917 | UC 20 (Hans Adalbert von der Lühe) | Sunk | Stopped and sunk off Sicily |
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