Helene
| Name | Helene |
| Type | Fishing vessel (sail) |
| GRT | 112 tons |
| Country |  Dutch |
| Built | |
| Builder | van der Werf, Hoogezand |
| Operator | Visscherijmaatschappij “De Dogger”, Imuiden |
| History | Registration: IJM 312 |
U-boat attacks on Fishing vessel (sail) Helene
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 9 Jun 1918 | U 100 (Degenhart von Loë) | Sunk | Sunk by gunnery off the Dogger Bank | 55.38N, 02.55E | 3 |
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