Kong Haakon
| Name | Kong Haakon |
| Type | Steamer |
| GRT | 2,231 tons |
| Country |  Norwegian |
| Built | 1889 |
| Builder | Palmers’ SB. & Iron Co., Ltd., Newcastle |
| Operator | H. M. Wrangell & Co. A/S m.fl., Haugesund |
| History |
U-boat attacks on Steamer Kong Haakon
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 24 Jun 1917 | UC 65 (Otto Steinbrinck) | Sunk | 23 miles off Cape Ferret | Aguilas - Ardrossan | ore | 19 |
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