| Saint-Hilaire | |
| Commune Status: | Commune |
| Coordinates: | 48.4334°N 2.076°W |
| Insee: | 91556 |
| Postal Code: | 91780 |
| Arrondissement: | Étampes |
| Canton: | Étampes |
| Intercommunality: | CA Étampois Sud Essonne |
| Mayor: | Stéphane Demeulemeester[1] |
| Term: | 2020 - 2026 |
| Elevation Min M: | 82 |
| Elevation Max M: | 154 |
| Area Km2: | 6.79 |
Saint-Hilaire (in French pronounced as /sɛ̃.t‿ilɛʁ/) is a commune in the Essonne department in Île-de-France in northern France.
Inhabitants of Saint-Hilaire are known as Saint-Hilairois.