Johan
Photo courtesy of Danish Maritime Museum, Elsinore
| Name | Johan |
| Type | Sailing vessel |
| GRT | 828 tons |
| Country |  Danish |
| Built | 1883 |
| Builder | Russell & Co., Port Glasgow |
| Operator | R. Bager, Marstel |
| History | Iron-hulled bark. Built as J. T. North. |
U-boat attacks on Sailing vessel Johan
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 26 Dec 1916 | U 79 (Heinrich Jeß) | Sunk | Stopped and scuttled 22 miles NNW of the Casquets | Montego Bay - Havre | logwood | 0 |
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