Olazarri
| Name | Olazarri |
| Type | Steamer |
| GRT | 2,585 tons |
| Country |  Spanish |
| Built | 1890 |
| Builder | Short Bros., Sunderland |
| Operator | Cia. de Nav. Olazarri (Garteiz y Mendialdua), Bilbao |
| History |
U-boat attacks on Steamer Olazarri
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 8 Sep 1916 | UB 39 (Werner Fürbringer) | Sunk | Scuttled 20 miles SW of Ushant | Bilbao - Glasgow | iron ore |
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