Concordia
| Name | Concordia |
| Type | Trawler |
| GRT | 173 tons |
| Country |  Dutch |
| Built | 1899 |
| Builder | J. Duthie, Sons & Co., Aberdeen |
| Operator | Vereenigde Steenkolenhandel, Ijmuiden |
| History | Registration: IJM 62. Built as City of Aberdeen. |
U-boat attacks on Trawler Concordia
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 3 May 1917 | U 43 (Hellmuth Jürst) | prize | North Sea | ||||
| Taken as a prize; later released. | ||||||||
If you can help us with any additional information on this vessel then please contact us.