Progreso
| Name | Progreso |
| Type | Steamer |
| GRT | 1,620 tons |
| Country |  Norwegian |
| Built | 1904 |
| Builder | Fevigs Jernskibsbyg., Fevig |
| Operator | A/S Progreso (A. O. Lindvig), Christiania |
| History |
U-boat attacks on Steamer Progreso
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 13 Feb 1917 | UC 21 (Reinhold Saltzwedel) | Sunk | 11 miles from Lacanau | Barry - Boucau | coal | 0 |
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