| Coordinates: | 50.64°N 12.6128°W |
| Image Plan: | Langenweißbach in Z.svg |
| State: | Sachsen |
| District: | Zwickau |
| Elevation: | 370 |
| Area: | 22.49 |
| Postal Code: | 08134 |
| Area Code: | 037603 |
| Licence: | Z |
| Gemeindeschlüssel: | 14524150 |
| Divisions: | 3 |
| Website: | www.langenweissbach.de |
| Mayor: | Jens Wächtler[1] |
| Leader Term: | 2017 - 24 |
Langenweißbach is a municipality in the district Zwickau in the state of Saxony in eastern Germany.