| Rouez-en-Champagne | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Rouez (Sarthe).svg |
| Arrondissement: | Mamers |
| Canton: | Sillé-le-Guillaume |
| Insee: | 72256 |
| Postal Code: | 72140 |
| Mayor: | Ludovic Robidas[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Champagne Conlinoise et Pays de Sillé |
| Coordinates: | 48.1403°N -0.1128°W |
| Elevation Min M: | 92 |
| Elevation Max M: | 171 |
| Area Km2: | 33.65 |
| Demonym: | Rouéziens |
Rouez (in French pronounced as /ʁwe/), also called Rouez-en-Champagne, is a commune in the Sarthe department in the region of Pays de la Loire in north-western France.
The village lies in the middle of the commune, on the left bank of the Merdereau, a left tributary of the Vègre, which flows southeastward through the commune.