| Flins-sur-Seine | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Flins-sur-Seine (Yvelines).svg |
| Arrondissement: | Mantes-la-Jolie |
| Canton: | Aubergenville |
| Insee: | 78238 |
| Postal Code: | 78410 |
| Mayor: | Philippe Mery[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | CU Grand Paris Seine et Oise |
| Coordinates: | 48.9653°N 1.8736°W |
| Elevation M: | 39 |
| Elevation Min M: | 19 |
| Elevation Max M: | 179 |
| Area Km2: | 8.61 |
Flins-sur-Seine (in French pronounced as /flɛ̃ syʁ sɛn/) is a commune in the Yvelines department in the Île-de-France in north-central France.[2]