Puderbach () is a municipality in the district of Neuwied, in Rhineland-Palatinate, Germany. It is situated in the Westerwald, approx. 25 km north of Koblenz.
Puderbach is the seat of the Verbandsgemeinde ("collective municipality") Puderbach.
Puderbach is located on the Engers-Au railway line, the service of passenger trains has discounted on the section between Siershahn and Altenkirchen. Nowadays the nearest train stations are Siershahn and Altenkirchen.
Puderbach is twinned with: