Müschenbach is an Ortsgemeinde – a community belonging to a Verbandsgemeinde – in the Westerwaldkreis in Rhineland-Palatinate, Germany.

Hiking paths lead into the nearby valley of the river Nister and to the Marienstatt Monastery.

The municipal council is made up of 17 council members, including the extraofficial mayor (Bürgermeister), who were elected in a majority vote in a municipal election on 13 June 2004.

Müschenbach is linked to the long-distance road network by Bundesstraße 414.

The community is connected to the Deutsche Bahn railway network.