Santanderino
| Name | Santanderino |
| Type | Steamer |
| GRT | 3,346 tons |
| Country |  Spanish |
| Built | 1890 |
| Builder | D. & W. Henderson & Co., Glasgow |
| Operator | M. M. de Arrotegui, Bilbao |
| History |
U-boat attacks on Steamer Santanderino
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 8 Apr 1916 | U 66 (Thorwald von Bothmer) | Sunk | 18 miles off Ushant | 48.20N, 05.33W | Liverpool - Havana |
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