| Saint-Antonin-de-Sommaire | |
| Commune Status: | Commune |
| Arrondissement: | Bernay |
| Canton: | Breteuil |
| Insee: | 27508 |
| Postal Code: | 27250 |
| Mayor: | Jean-Luc Bodey[1] |
| Term: | 2020 - 2026 |
| Coordinates: | 48.8328°N 0.6689°W |
| Elevation M: | 237 |
| Elevation Min M: | 190 |
| Elevation Max M: | 245 |
| Area Km2: | 7.16 |
Saint-Antonin-de-Sommaire (pronounced as /fr/) is a commune in the Eure department in Normandy in northern France.