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. Its seat is in the like-named town.

In 1315, Vielbach had its first documentary mention. The name's spelling has changed over the centuries from Villebach to Vyllebach to Vielbach.

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 Autobahn interchange is Mogendorf on the A 3 (Cologne–Frankfurt). The nearest InterCityExpress stop is the railway station at Montabaur on the Cologne-Frankfurt high-speed rail line.

• Vielbach (in German)
• Verbandsgemeinde of Selters (in German)