| Fontenay-le-Fleury | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Fontenay-le-Fleury (Yvelines).svg |
| Arrondissement: | Versailles |
| Canton: | Saint-Cyr-l'École |
| Insee: | 78242 |
| Postal Code: | 78330 |
| Mayor: | Richard Rivaud[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | CA Versailles Grand Parc |
| Coordinates: | 48.8144°N 2.0494°W |
| Elevation M: | 120 |
| Elevation Min M: | 92 |
| Elevation Max M: | 176 |
| Area Km2: | 5.43 |
Fontenay-le-Fleury (pronounced as /fr/) is a commune in the Yvelines department in the Île-de-France in north-central France.