Libertador
| Name | Libertador |
| Type | Trawler |
| GRT | 185 tons |
| Country |  Portuguese |
| Built | 1900 |
| Builder | Mackie & Thomson, Glasgow |
| Operator | Auguste J. de Castro, Lisbon |
| History | Built as Ocean King. |
U-boat attacks on Trawler Libertador
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 1 Sep 1918 | U 22 (Hinrich Hermann Hashagen) | Sunk | Stopped and scuttled W of Gibraltar |
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