Ivan
| Name | Ivan |
| Type | Fishing vessel (sail) |
| GRT | 44 tons |
| Country |  British |
| Built | 1907 |
| Builder | H. Reynolds, Oulton Broad |
| Operator | W. H. Podd, Lowestoft |
| History |
U-boat attacks on Fishing vessel (sail) Ivan
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 6 Aug 1915 | UB 17 (Ralph Wenninger) | Sunk | Stopped and scuttled 42 miles ENE of Lowestoft | 0 |
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