| Morainvilliers | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Morainvilliers (Yvelines).svg |
| Arrondissement: | Saint-Germain-en-Laye |
| Canton: | Verneuil-sur-Seine |
| Insee: | 78431 |
| Postal Code: | 78630 |
| Mayor: | Fabienne Deveze[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | CU Grand Paris Seine et Oise |
| Coordinates: | 48.9294°N 1.9378°W |
| Elevation M: | 110 |
| Elevation Min M: | 58 |
| Elevation Max M: | 181 |
| Area Km2: | 7.24 |
Morainvilliers (in French pronounced as /mɔʁɛ̃vilje/) is a commune in the Yvelines department in the Île-de-France region in north-central France.
Morainvilliers is one of the French cities with the highest per capita tax income and is characterised by particularly high property prices.[2] Its pleasant living environment and its proximity to Paris (30 km) make it a residential community much sought-after by the wealthiest households. The commune is composed of Morainvilliers and also of a small village, Bures.