Allenbach is an Ortsgemeinde, or municipality, located in the Birkenfeld district of Rhineland-Palatinate, Germany. It functions as a constituent part of the Verbandsgemeinde Herrstein-Rhaunen.
The administrative seat for the Verbandsgemeinde Herrstein-Rhaunen is situated in the town of Herrstein. Allenbach serves as one of the local communities within this collective municipality structure.