Argus
| Name | Argus |
| Type | Trawler |
| GRT | 100 tons |
| Country |  Portuguese |
| Built | |
| Builder | |
| Operator | ?, Viana do Castelo |
| History |
U-boat attacks on Trawler Argus
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 11 Dec 1917 | UB 55 (Ralph Wenninger) | Sunk | Stopped and scuttled off Leixoes harbor | ||||
| tonnage likely approximate | ||||||||
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