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

The village lies northeast of Koblenz in the valley of the Kleine Nister.

Luckenbach belongs to the Verbandsgemeinde of Hachenburg, a kind of collective municipality.

South 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.