Altenkirchen-Flammersfeld is a Verbandsgemeinde ("collective municipality") in the district of Altenkirchen, Rhineland-Palatinate, Germany. The seat of the Verbandsgemeinde is in Altenkirchen. It was formed on 1 January 2020 by the merger of the former Verbandsgemeinden Altenkirchen and Flammersfeld.
The Verbandsgemeinde Altenkirchen-Flammersfeld consists of the following Ortsgemeinden ("local municipalities"):
- Almersbach
- Altenkirchen
- Bachenberg
- Berod bei Hachenburg
- Berzhausen
- Birnbach
- Bürdenbach
- Burglahr
- Busenhausen
- Eichelhardt
- Eichen
- Ersfeld
- Eulenberg
- Fiersbach
- Flammersfeld
- Fluterschen
- Forstmehren
- Gieleroth
- Giershausen
- Güllesheim
- Hasselbach
- Helmenzen
- Helmeroth
- Hemmelzen
- Heupelzen
- Hilgenroth
- Hirz-Maulsbach
- Horhausen
- Idelberg
- Ingelbach
- Isert
- Kescheid
- Kettenhausen
- Kircheib
- Kraam
- Krunkel
- Mammelzen
- Mehren
- Michelbach
- Neitersen
- Niedersteinebach
- Obererbach
- Oberirsen
- Oberlahr
- Obersteinebach
- Oberwambach
- Ölsen
- Orfgen
- Peterslahr
- Pleckhausen
- Racksen
- Reiferscheid
- Rettersen
- Rott
- Schöneberg
- Schürdt
- Seelbach
- Seifen
- Sörth
- Stürzelbach
- Volkerzen
- Walterschen
- Werkhausen
- Weyerbusch
- Willroth
- Wölmersen
- Ziegenhain