Weilerbach is a Verbandsgemeinde ("collective municipality") in the district of Kaiserslautern, Rhineland-Palatinate, Germany. The seat of the Verbandsgemeinde is in Weilerbach.
The Verbandsgemeinde Weilerbach consists of the following Ortsgemeinden ("local municipalities"):
Erzenhausen Eulenbis Kollweiler Mackenbach Reichenbach-Steegen Rodenbach Schwedelbach Weilerbach