L'immortale Leone
| Name | L'immortale Leone |
| Type | Sailing vessel |
| GRT | 133 tons |
| Country |  Italian |
| Built | 1902 |
| Builder | M. Donnarumma, Torre del Greco |
| Operator | A. De Cesare, Trapani |
| History | Wooden brigantine |
U-boat attacks on Sailing vessel L'immortale Leone
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 8 Jul 1917 | U 65 (Hermann von Fischel) | Sunk | Stopped and sunk by gunnery in the Straits of Sicily | 36.20N, 11.35E |
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