| Dammartin-en-Serve | |
| Commune Status: | Commune |
| Arrondissement: | Mantes-la-Jolie |
| Canton: | Bonnières-sur-Seine |
| Insee: | 78192 |
| Postal Code: | 78111 |
| Mayor: | Ghislaine Siwick[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Pays houdanais |
| Coordinates: | 48.9039°N 1.62°W |
| Elevation M: | 140 |
| Elevation Min M: | 75 |
| Elevation Max M: | 168 |
| Area Km2: | 13.98 |
Dammartin-en-Serve is a commune in the Yvelines department in the Île-de-France region in north-central France.