Welschneudorf is an Ortsgemeinde – a community belonging to a Verbandsgemeinde – and a Luftkurort (“air health resort”) in the Westerwaldkreis in Rhineland-Palatinate, Germany.

The community lies in the Lower Westerwald between Koblenz and Limburg an der Lahn in the Nassau Nature Park.

Verbandsgemeinde of Montabaur, a kind of collective municipality.

The nearest Autobahn interchange is Montabaur on the A 3 (Cologne–Frankfurt), some 11 km away.

The nearest InterCityExpress stops are the railway stations at Montabaur on the Cologne-Frankfurt high-speed rail line and Koblenz on the Linke Rheinstrecke.