| Rossau | |
| Image Coa: | Wappen rossau.PNG |
| Coordinates: | 50.9972°N 13.0661°W |
| Image Plan: | Rossau in FG.png |
| State: | Sachsen |
| District: | Mittelsachsen |
| Elevation: | 318 |
| Area: | 53.29 |
| Postal Code: | 09661 |
| Area Code: | 03727 |
| Licence: | FG |
| Gemeindeschlüssel: | 14522500 |
| Divisions: | 9 |
| Website: | www.gemeinde-rossau.de |
| Mayor: | Dietmar Gottwald[1] |
| Leader Term: | 2023 - 30 |
Rossau (pronounced as /de/) is a municipality in the district of Mittelsachsen, in Saxony, Germany.