Elsa
| Name | Elsa |
| Type | Sailing vessel |
| GRT | 329 tons |
| Country |  Swedish |
| Built | 1891 |
| Builder | Tangens. Skibsvaerft, Christiansand |
| Operator | Didrik Kindborg |
| History | Wooden Bark. Built as Höivaag. |
U-boat attacks on Sailing vessel Elsa
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 4 May 1915 | U 39 (Walter Forstmann) | Sunk | Stoped and sunk SE of Peterhead | Hälsingborg - Granton | timber | 0 | |
| also listed as of 338 t. | ||||||||
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