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

The community lies in the Westerwald between Limburg und Siegen.

Stockhausen-Illfurth belongs to the Verbandsgemeinde of Bad Marienberg, a kind of collective municipality.

North of the community runs Bundesstraße 414, leading from Hohenroth to Hachenburg.

The nearest InterCityExpress stop is the railway station at Montabaur on the Cologne-Frankfurt high-speed rail line.