Sant’ Antonio
| Name | Sant’ Antonio |
| Type | Sailing vessel |
| GRT | 843 tons |
| Country |  Italian |
| Built | 1884 |
| Builder | W. Pickersgill & Sons, Sunderland |
| Operator | A. Pancraz, Viareggio |
| History | Iron-hulled bark. Built as Samanco. |
U-boat attacks on Sailing vessel Sant’ Antonio
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 25 Dec 1917 | UB 50 (Franz Becker) | Sunk | Sunk by gunnery off the African coast between Algiers and Bizerta |
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