Hahnenbach is an Ortsgemeinde, or municipality, located in the Bad Kreuznach district within the German state of Rhineland-Palatinate. It serves as a constituent part of the Verbandsgemeinde Kirner Land, which has its administrative seat in the town of Kirn.
The municipality is officially designated as a state-recognized tourism community. It functions as a collective municipality belonging to the larger regional structure of the Kirner Land area.