Sebastiano
| Name | Sebastiano |
| Type | Steamer |
| GRT | 3,995 tons |
| Country |  Italian |
| Built | 1897 |
| Builder | Tyne Iron SB. Co., Ltd., Newcastle |
| Operator | Fratelli Bianchi, Genoa |
| History |
U-boat attacks on Steamer Sebastiano
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 9 Aug 1916 | U 35 (Lothar von Arnauld de la Perière) | Sunk | 40 miles ENE of Cape San Sebastian at 4:00pm | New York - Genoa | flour | 0 |
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