Sembach is a municipality located in the district of Kaiserslautern within the state of Rhineland-Palatinate, Germany. It serves as part of the Verbandsgemeinde of Enkenbach-Alsenborn and is situated between the regions of Kaiserslautern and Donnersbergkreis.
The town is positioned within the Palatinate Forest Nature Park. Historical records indicate that Sembach was first mentioned in a 13th-century document regarding a donation to the monastery of Enkenbach.