| IV Army Corps | |
|---|---|
| IV Cuerpo de Ejército | |
| Active | March 13, 1937–March 1939 |
| Country | Spanish Republic |
| Allegiance |  Republican faction |
| Branch | Spanish Republican Army |
| Type | Infantry |
| Size | Corps |
| Part of | Central Army |
| Garrison/HQ | Guadalajara |
| Engagements | Spanish Civil War: |
| Commanders | |
| Notable commanders | Vicente Rojo Lluch |
The IV Army Corps was a military formation of the Spanish Republican Army that fought during the Spanish Civil War. It had a relevant role during the Battle of Guadalajara and, later, during the Casado coup. Among its commanders there were prestigious military personnel such as Enrique Jurado Barrio and Cipriano Mera.