| Niederbreitbach | |
| Image Coa: | DEU Niederbreitbach COA.svg |
| Coordinates: | 50.5319°N 7.4178°W |
| Image Plan: | Niederbreitbach in NR.svg |
| State: | Rheinland-Pfalz |
| District: | Neuwied |
| Verbandsgemeinde: | Rengsdorf-Waldbreitbach |
| Elevation: | 120 |
| Area: | 8.53 |
| Postal Code: | 56589 |
| Area Code: | 02638 |
| Licence: | NR |
| Gemeindeschlüssel: | 07 1 38 047 |
| Divisions: | 13 |
| Mayor: | Susanne Hardt[1] |
| Leader Term: | 2019 - 24 |
Niederbreitbach is a municipality and officially recognised climatic health-resort in the district of Neuwied, in Rhineland-Palatinate, Germany. It belongs to Verbandsgemeinde of Rengsdorf-Waldbreitbach.