Langenlonsheim-Stromberg is a Verbandsgemeinde ("collective municipality") in the district of Bad Kreuznach, Rhineland-Palatinate, Germany. The seat of the Verbandsgemeinde is in Langenlonsheim. It was formed on 1 January 2020 by the merger of the former Verbandsgemeinden Langenlonsheim and Stromberg.
The Verbandsgemeinde Langenlonsheim-Stromberg consists of the following Ortsgemeinden ("local municipalities"):