Niederroßbach
Municipality
Coat of arms
Location of Niederroßbach within Westerwaldkreis district
Niederroßbach Show map of Germany Niederroßbach Show map of Rhineland-Palatinate
Coordinates: 50°38′30″N 8°2′4″E / 50.64167°N 8.03444°E / 50.64167; 8.03444
Country	Germany
State	Rhineland-Palatinate
District	Westerwaldkreis
Municipal assoc.	Rennerod
Government
• Mayor (2019–24)	Bernd Schäfer[1]
Area
• Total	4.39 km2 (1.69 sq mi)
Elevation	495 m (1,624 ft)
Population  (2022-12-31)[2]
• Total	686
• Density	160/km2 (400/sq mi)
Time zone	UTC+01:00 (CET)
• Summer (DST)	UTC+02:00 (CEST)
Postal codes	56479
Dialling codes	02664
Vehicle registration	WW
Website	www.rennerod.de

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

The community lies in the Westerwald between Siegen and Limburg an der Lahn. Through the community flow the Ortsbach and the Roßbach. Niederroßbach belongs to the Verbandsgemeinde of Rennerod, a kind of collective municipality. Its seat is in the like-named town.

Niederroßbach's neighbours are Oberroßbach, Fehl-Ritzhausen, Neustadt and Zehnhausen bei Rennerod.

In 1431, Niederroßbach had its first documentary mention.

The council is made up of 13 council members, including the extraofficial mayor (Bürgermeister).

Running right near the community are Bundesstraßen 54, linking Limburg an der Lahn with Siegen, and 255, leading from Montabaur to Herborn. The nearest Autobahn interchange is Haiger/Burbach on the A 45 (Dortmund–Hanau), some 17 km away. Between Niederroßbach and Neustadt once lay a halt on the now abandoned Westerwaldquerbahn (railway). The nearest InterCityExpress stop is the railway station at Montabaur on the Cologne-Frankfurt high-speed rail line.

• Niederroßbach in the collective municipality’s Web pages (in German)