| Fontenay-sur-Eure | |
| Commune Status: | Commune |
| Arrondissement: | Chartres |
| Canton: | Lucé |
| Insee: | 28158 |
| Postal Code: | 28630 |
| Mayor: | Michel Charpentier[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | CA Chartres Métropole |
| Coordinates: | 48.3972°N 1.4075°W |
| Elevation M: | 22 |
| Elevation Min M: | 135 |
| Elevation Max M: | 161 |
| Area Km2: | 13.8 |
Fontenay-sur-Eure (pronounced as /fr/, literally Fontenay on Eure) is a commune in the Eure-et-Loir department in northern France.