Kong Guttorm
| Name | Kong Guttorm |
| Type | Steamer |
| GRT | 731 tons |
| Country |  Norwegian |
| Built | 1901 |
| Builder | Nylands Verksted, Christiania |
| Operator | A/S Det Søndenfjelds Norske Dampskselsk., Christiania |
| History |
U-boat attacks on Steamer Kong Guttorm
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 11 Jul 1918 | UB 103 (Paul Hundius) | Sunk | 30 miles SE of Portland Bill | Caen - Swansea | in ballast | 11 |
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