Jakoba
| Name | Jakoba |
| Type | Fishing vessel (sail) |
| GRT | 107 tons |
| Country |  Dutch |
| Built | 1896 |
| Builder | Gebr. Van der Windt, Vlaardingen |
| Operator | P. Doelman, Maasluis |
| History | Registration: MA 166 |
U-boat attacks on Fishing vessel (sail) Jakoba
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 17 May 1917 | UC 71 (Hugo Thielmann) | Sunk | Stopped and scuttled off Den Helder | 0 |
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