Ciro
| Name | Ciro |
| Type | Sailing vessel |
| GRT | 296 tons |
| Country |  Italian |
| Built | 1916 |
| Builder | A. Donnarumma, Castellamare |
| Operator | Cirro Pappalardo, Torre Del Greco |
| History |
U-boat attacks on Sailing vessel Ciro
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 26 Sep 1917 | UB 50 (Franz Becker) | Sunk | Stopped and scuttled S of Sardinia |
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