Niedert is a municipality located in the Rhein-Hunsrück-Kreis district of Rhineland-Palatinate, Germany. It functions as an Ortsgemeinde within the Verbandsgemeinde Hunsrück-Mittelrhein.
The administrative seat for the Verbandsgemeinde Hunsrück-Mittelrhein is situated in Emmelshausen. Niedert serves as a local community integrated into this collective municipality structure.