| Étréchy | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Étréchy (Essonne).svg |
| Coordinates: | 48.4938°N 2.1898°W |
| Insee: | 91226 |
| Postal Code: | 91580 |
| Arrondissement: | Étampes |
| Canton: | Dourdan |
| Intercommunality: | Entre Juine et Renarde |
| Mayor: | Julien Garcia[1] |
| Term: | 2020 - 2026 |
| Elevation Min M: | 63 |
| Elevation Max M: | 156 |
| Area Km2: | 14.06 |
Étréchy (in French pronounced as /etʁeʃi/) is a commune in the Essonne department in Île-de-France in northern France.
The village lies on the left bank of the river Juine, which forms all of the commune's eastern border.
Inhabitants of Étréchy are known as Strépiniacois in French.