| Image Coa: | Wappen_hartmannsdorf-reichenau.gif |
| Coordinates: | 50.8167°N 13.575°W |
| Image Plan: | Hartmannsdorf-Reichenau in PIR.svg |
| State: | Sachsen |
| District: | Sächsische Schweiz-Osterzgebirge |
| Verwaltungsgemeinschaft: | Pretzschendorf |
| Elevation: | 569 |
| Area: | 28.31 |
| Postal Code: | 01762 |
| Area Code: | 037326 |
| Licence: | PIR |
| Gemeindeschlüssel: | 14628150 |
| Divisions: | 2 |
| Mayor: | Michael Börner[1] |
| Leader Term: | 2021 - 28 |
Hartmannsdorf-Reichenau is a municipality in the Sächsische Schweiz-Osterzgebirge district, in Saxony, Germany.