Sunniva
| Name | Sunniva |
| Type | Steamer |
| GRT | 1,913 tons |
| Country |  British |
| Built | 1917 |
| Builder | J. Crown & Sons, Ltd., Sunderland |
| Operator | E. R. Newbigin, Newcastle |
| History |
U-boat attacks on Steamer Sunniva
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 28 Jun 1918 | UC 17 (Nikolaus von Lyncker) | Sunk | 4 miles E of Sunderland | London - Tyne | in ballast | 2 |
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