Simmern-Rheinböllen is a Verbandsgemeinde ("collective municipality") in the Rhein-Hunsrück-Kreis, Rhineland-Palatinate, Germany. The seat of the Verbandsgemeinde is in Simmern. It was formed on 1 January 2020 by the merger of the former Verbandsgemeinden Simmern and Rheinböllen.
The Verbandsgemeinde Simmern-Rheinböllen consists of the following Ortsgemeinden ("local municipalities"):