Balzac
| Name | Balzac |
| Type | Steamer |
| GRT | 1,720 tons |
| Country |  Norwegian |
| Built | 1913 |
| Builder | Nylands Verksted, Christiania |
| Operator | A/S Bonheur (Fred. Olsen), Christiania |
| History |
U-boat attacks on Steamer Balzac
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 12 Jul 1917 | UC 55 (Horst Rühle von Lilienstern) | Sunk | Torpedoed while in convoy off Lerwick | 58° 50'N, 0° 46'W | Tyne - Christiania | coal | 0 |
Position of attack on Balzac
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