| XI Army Corps | |
|---|---|
| XI Cuerpo de Ejército (Bando republicano) | |
| Active | June 1937–February 1939 |
| Country | Spanish Republic |
| Allegiance |  Spanish Republic Republican faction |
| Branch | &sq=Google&lang=en&file=File:Red_star.svg){kind=small} Spanish Republican Army |
| Type | Infantry |
| Size | Army Corps |
| Garrison/HQ | Sariñena |
| Engagements | Spanish Civil War: |
The XI Army Corps was a military formation belonging to the Spanish Republican Army that fought during the Spanish Civil War. During the war it was deployed on the fronts of Aragon, Segre and Catalonia.