Kellenbach is an Ortsgemeinde, or municipality, located in the Bad Kreuznach district within the state of Rhineland-Palatinate, Germany. It functions as a constituent part of the Verbandsgemeinde Kirner Land.
The administrative seat for the Verbandsgemeinde Kirner Land is situated in the town of Kirn. Kellenbach serves as one of the local municipalities governed under this collective administrative structure.