| Orrouer | |
| Commune Status: | Commune |
| Arrondissement: | Chartres |
| Canton: | Illiers-Combray |
| Insee: | 28290 |
| Postal Code: | 28190 |
| Mayor: | Claude Feret[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Entre Beauce et Perche |
| Coordinates: | 48.4139°N 1.2886°W |
| Elevation M: | 162 |
| Elevation Min M: | 152 |
| Elevation Max M: | 193 |
| Area Km2: | 13.25 |
Orrouer is a commune in the Eure-et-Loir department in northern France.