Antonietta R.
| Name | Antonietta R. |
| Type | Sailing vessel |
| GRT | 84 tons |
| Country |  Italian |
| Built | |
| Builder | |
| Operator | |
| History |
U-boat attacks on Sailing vessel Antonietta R.
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 28 Mar 1917 | U 34 (Johannes Klasing) | Sunk | off Pt. Palinuro, Calabrian coast |
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