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

Vielbach lies 3 km south of Selters in the lower reaches of the kleiner Saynbach in the middle of woodlands and meadowlands.

The community belongs to the Verbandsgemeinde of Selters, a kind of collective municipality.

The municipal council is made up of 12 council members, as well as the honorary and presiding mayor (Ortsbürgermeister), who were elected in a majority vote in a municipal election on 13 June 2004.

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