| Armee-Abteilung Falkenhausen Armee-Abteilung A Army Detachment A | |
|---|---|
&sq=Qlik&lang=&file=File:Stab_eines_Armeeoberkommandos.svg) Flag of the Staff of an Armee Oberkommando (1871–1918) | |
| Active | 17 September 1914 – post 11 November 1918 |
| Country |  German Empire |
| Type | Army |
| Engagements | World War I |
Armee-Abteilung Falkenhausen / Armee-Abteilung A (Army Detachment A) was an army level command of the German Army in World War I. It served on the left (southern) wing of the Western Front throughout its existence.