Steinefrenz is an Ortsgemeinde – a community belonging to a Verbandsgemeinde – in the Westerwaldkreis in Rhineland-Palatinate, Germany.

Steinefrenz is located in the administrative district Westerwaldkreis and has a population of 803 people (Dec. 2020).

The community is located within the Westerwald, between Montabaur and Limburg an der Lahn and 25 km away from Koblenz.

East of the community runs Bundesstraße 8, linking Limburg an der Lahn and Hennef.

It has a station on the Lower Westerwald Railway Unterwesterwaldbahn from Limburg to Siershahn.