Leonardo G.
| Name | Leonardo G. |
| Type | |
| GRT | 50 tons |
| Country |  Italian |
| Built | |
| Builder | |
| Operator | |
| History |
U-boat attacks on Leonardo G.
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 12 Jul 1917 | UC 67 (Karl Neumann) | Sunk | 10 miles W of Marsala |
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