| Parmain | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Parmain (Val-d'Oise).svg |
| Coordinates: | 49.1153°N 2.2094°W |
| Arrondissement: | Pontoise |
| Canton: | L'Isle-Adam |
| Intercommunality: | Vallée de l'Oise et des Trois forêts |
| Mayor: | Loïc Taillanter[1] |
| Term: | 2020 - 2026 |
| Elevation Min M: | 24 |
| Elevation Max M: | 146 |
| Area Km2: | 9.20 |
| Insee: | 95480 |
| Postal Code: | 95620 |
Parmain (pronounced as /fr/) is a commune in the Val-d'Oise department in Île-de-France in northern France. L'Isle-Adam–Parmain station has rail connections to Persan, Creil, Pontoise and Paris.