Douro
| Name | Douro |
| Type | Sailing vessel |
| GRT | 248 tons |
| Country |  Portuguese |
| Built | 1911 |
| Builder | Antonio Dias dos Santos, Fao |
| Operator | Parceria Marítima “Douro”, Oporto |
| History | Three-masted schooner. |
U-boat attacks on Sailing vessel Douro
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 3 Apr 1915 | Sunk | off Scilly | |||||
| U24 was in the area but no mention of this sinking is made in Spindler (II/72) | ||||||||
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