| Rosenau | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Rosenau (Haut-Rhin).svg |
| Arrondissement: | Mulhouse |
| Canton: | Saint-Louis |
| Insee: | 68286 |
| Postal Code: | 68128 |
| Mayor: | Thierry Litzler[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Saint-Louis Agglomération |
| Coordinates: | 47.6378°N 7.5364°W |
| Elevation M: | 241 |
| Elevation Min M: | 226 |
| Elevation Max M: | 247 |
| Area Km2: | 6.47 |
Rosenau (pronounced as /fr/ or pronounced as /fr/;[2] gsw-FR|Rosenöi) is a commune in the Haut-Rhin department in Alsace in north-eastern France.