Björn
| Name | Björn |
| Type | Steamer |
| GRT | 1,241 tons |
| Country |  Swedish |
| Built | 1904 |
| Builder | Campbeltown SB. Co., Campbeltown |
| Operator | Ångfartygs A/B Thule (Th. Willerding), Göteborg |
| History |
U-boat attacks on Steamer Björn
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 10 May 1915 | U 36 (Ernst Graeff) | prize | North Sea | Göteborg - U. K. | timber | 0 | |
| Taken as prize and retained. Master: A. J. Lövås | ||||||||
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