| Montmain | |
| Commune Status: | Commune |
| Arrondissement: | Beaune |
| Canton: | Brazey-en-Plaine |
| Insee: | 21436 |
| Postal Code: | 21250 |
| Mayor: | Martine Déchaud[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Rives de Saône |
| Coordinates: | 47.0297°N 5.0653°W |
| Elevation M: | 208 |
| Elevation Min M: | 188 |
| Elevation Max M: | 214 |
| Area Km2: | 9.07 |
Montmain (pronounced as /fr/) is a commune in the Côte-d'Or department in eastern France.