Valdieri
| Name | Valdieri |
| Type | Steamer |
| GRT | 4,637 tons |
| Country |  Italian |
| Built | 1906 |
| Builder | Officine e Cant. Liguri Anconitani, Ancona |
| Operator | Lloyd Sabaudo Soc. Anon. per Azioni, Genoa |
| History |
U-boat attacks on Steamer Valdieri
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 8 Jun 1917 | U 39 (Walter Forstmann) | Sunk | Torpedoed 50 miles WNW of Cape Spartel | 35.46N, 06.52W | New Orleans - Genoa | munitions |
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