| Type: | Stadt |
| Hartenstein | |
| Image Coa: | Hartenstein coa.png |
| Coordinates: | 50.6683°N 12.6714°W |
| Image Plan: | Hartenstein in Z.svg |
| State: | Sachsen |
| District: | Zwickau |
| Elevation: | 360 |
| Area: | 36.72 |
| Postal Code: | 08118 |
| Area Code: | 037605 |
| Licence: | Z |
| Gemeindeschlüssel: | 14524090 |
| Divisions: | 3 |
| Website: | www.stadt-hartenstein.de |
| Mayor: | Martin Kunz[1] |
| Leader Term: | 2020 - 27 |
Hartenstein (pronounced as /de/) is a town in the Zwickau district, in Saxony, Germany. It is situated on the river Zwickauer Mulde, 14 km southeast of Zwickau.
The county of Hartenstein was owned by the House of Schönburg from 1406 until 1945.