Ranvik
| Name | Ranvik |
| Type | Steamer |
| GRT | 5,848 tons |
| Country |  Norwegian |
| Built | 1911 |
| Builder | Armstrong, Whitworth & Co., Ltd., Newcastle |
| Operator | A/S Atlantis (Bernh. Hanssen), Flekkefjord |
| History |
U-boat attacks on Steamer Ranvik
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 10 Apr 1917 | UC 71 (Hans Valentiner) | Sunk | 45 miles WSW of Ushant | Buenos Aires - Cherbourg | wheat | 0 |
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