| Millemont | |
| Commune Status: | Commune |
| Arrondissement: | Rambouillet |
| Canton: | Aubergenville |
| Insee: | 78404 |
| Postal Code: | 78940 |
| Mayor: | Annie Joseph[1] |
| Term: | 2020 - 2026 |
| Coordinates: | 48.81°N 1.7453°W |
| Elevation M: | 128 |
| Elevation Min M: | 111 |
| Elevation Max M: | 188 |
| Area Km2: | 5.78 |
Millemont is a commune in the Yvelines department in the Île-de-France region in north-central France.