XXVII Reserve Corps (German Empire)
| XXVII Reserve Corps XXVII. Reserve-Korps | |
|---|---|
Flag of the Staff of a Generalkommando (1871–1918) | |
| Active | October 1914 - February 1919 |
| Country | German Empire |
| Type | Corps |
| Size | Approximately 32,000 (on formation) |
| Engagements | World War I |
The XXVII Reserve Corps (German: XXVII. Reserve-Korps / XXVII RK) was a corps-level command of the German army during World War I.