| Vaux-sur-Seine | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Vaux-sur-Seine (Yvelines).svg |
| Arrondissement: | Mantes-la-Jolie |
| Canton: | Les Mureaux |
| Insee: | 78638 |
| Postal Code: | 78740 |
| Mayor: | Jean-Claude Bréard[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | CU Grand Paris Seine et Oise |
| Coordinates: | 49.0083°N 1.9639°W |
| Elevation M: | 25 |
| Elevation Min M: | 18 |
| Elevation Max M: | 191 |
| Area Km2: | 8.45 |
Vaux-sur-Seine (in French pronounced as /vo syʁ sɛn/, literally Vaux on Seine) is a commune in the Yvelines department in the Île-de-France in north-central France.