Ohlweiler is a municipality located in the Rhein-Hunsrück-Kreis district of Rhineland-Palatinate, Germany. It functions as an Ortsgemeinde, which is a type of local municipality belonging to a larger collective administrative unit.
The village is part of the Verbandsgemeinde Simmern-Rheinböllen, with its administrative seat located in the town of Simmern.