Hanna Larsen
| Name | Hanna Larsen |
| Type | Steamer |
| GRT | 1,311 tons |
| Country |  British |
| Built | 1903 |
| Builder | Flensburger Schiffbau Ges., Flensburg |
| Operator | Admiralty requisition (Everett & Newbigin), London |
| History |
U-boat attacks on Steamer Hanna Larsen
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 8 Feb 1917 | UC 39 (Otto Ehrentraut) | Sunk | 20 miles E3/4N of Spurn Point | 53.42N, 00.39E | London - Tyne | in ballast | 1 |
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