Sisapon
| Name | Sisapon |
| Type | Trawler |
| GRT | 211 tons |
| Country |  British |
| Built | 1904 |
| Builder | Cook, Welton & Gemmell, Beverley |
| Operator | Standard Steam Fishing Co. Ltd., Grimsby |
| History |
U-boat attacks on Trawler Sisapon
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 23 May 1917 | UC 33 (Martin Schelle) | Sunk | Stopped and sunk 60 miles WSW of the N end of Sudero | 0 |
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