| Les Thilliers-en-Vexin | |
| Commune Status: | Commune |
| Arrondissement: | Les Andelys |
| Canton: | Gisors |
| Insee: | 27633 |
| Postal Code: | 27420 |
| Mayor: | Paul Gaillard[1] |
| Term: | 2020 - 2026 |
| Coordinates: | 49.2372°N 1.61°W |
| Elevation M: | 127 |
| Elevation Min M: | 115 |
| Elevation Max M: | 132 |
| Area Km2: | 1.57 |
Les Thilliers-en-Vexin is a commune in the Eure department in Normandy in northern France.