Nyanza
| Name | Nyanza |
| Type | Passenger steamer |
| GRT | 6,695 tons |
| Country |  British |
| Built | 1906 |
| Builder | Caird & Co., Ltd., Greenock |
| Operator | Peninsular & Oriental Steam Navigation Company, Greenock |
| History |
U-boat attacks on Passenger steamer Nyanza
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 9 Dec 1917 | U 53 (Hans Rose) | Damaged | Torpedoed 10 miles off the Lizard | London - Calcutta | general cargo | 49 | |
| 2 | 25 Feb 1918 | UB 40 (Karl Dobberstein) | Damaged | Torpedoed 10 miles off Brighton | Falmouth - London | in ballast | 4 | |
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