| Charmont | |
| Commune Status: | Commune |
| Coordinates: | 49.1367°N 1.7919°W |
| Arrondissement: | Pontoise |
| Canton: | Vauréal |
| Mayor: | Rodolphe Thomassin[1] |
| Term: | 2020 - 2026 |
| Elevation Min M: | 78 |
| Elevation Max M: | 153 |
| Area Km2: | 3.83 |
| Insee: | 95141 |
| Postal Code: | 95420 |
Charmont (in French pronounced as /ʃaʁmɔ̃/) is a commune in the Val-d'Oise department and Île-de-France region of France. It is located in the .
With just 30 inhabitants in 2015, Charmont is the least populated commune in the department and region.
The commune is located approximately 52 km from the center of Paris.