Nonni
| Name | Nonni |
| Type | Steamer |
| GRT | 4,105 tons |
| Country |  Russian |
| Built | 1909 |
| Builder | Rickmers Akt. Ges., Geestemünde |
| Operator | Russian Volunteer Fleet Association |
| History |
U-boat attacks on Steamer Nonni
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 8 Dec 1917 | UB 18 (Georg Niemeyer) | Sunk | off Brest | 48.53N, 04.28W | Cherbourg - Brest | coal | |
| Reassessed from U 102 based upon additional reearch by Oliver Lörscher. | ||||||||
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