San Nicola
| Name | San Nicola |
| Type | Sailing vessel |
| GRT | 30 tons |
| Country |  Italian |
| Built | |
| Builder | |
| Operator | |
| History |
U-boat attacks on Sailing vessel San Nicola
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 3 Aug 1917 | UC 22 (Erich Wiesenbach) | Sunk | Central Med |
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