Back XII. (Königlich Sächsisches) Reserve-Korps German 12e corps de réserve (corps de réserve royal saxon) French קורפוס המילואים ה-12 (האימפריה הגרמנית) HE XII Rezerwowy Korpus Armijny (Cesarstwo Niemieckie) Polish
| XII (Royal Saxon) Reserve Corps XII. (Königlich Sächsisches) Reserve-Korps | |
|---|---|
_Reserve_Corps&sq=Envato&lang=en&file=File:Stab_eines_Generalkommandos.svg) Flag of the Staff of a Generalkommando (1871–1918) | |
| Active | 2 August 1914–1919 |
| Country |  Kingdom of Saxony /  German Empire |
| Type | Corps |
| Size | Approximately 38,000 (on formation) |
| Engagements | World War I |
The XII (Royal Saxon) Reserve Corps (German: XII. (Königlich Sächsisches) Reserve-Korps / XII RK) was a corps level command of the German Army in World War I.