| XXXX Reserve Corps XXXX. Reserve-Korps | |
|---|---|
 Flag of the Staff of a Generalkommando (1871–1918) | |
| Active | December 1914 - posts November 1918 |
| Country |  German Empire |
| Type | Corps |
| Size | Approximately 26,000 (on formation) |
| Engagements | World War I |
The XXXX Reserve Corps (German: XXXX. Reserve-Korps / XXXX RK) was a corps level command of the German Army in World War I.