| Le Perchay | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Le Perchay (Val-d'Oise).svg |
| Coordinates: | 49.1117°N 1.9336°W |
| Arrondissement: | Pontoise |
| Canton: | Pontoise |
| Mayor: | Grégory Leost[1] |
| Term: | 2021 - 2026 |
| Elevation Min M: | 52 |
| Elevation Max M: | 117 |
| Area Km2: | 5.46 |
| Insee: | 95483 |
| Postal Code: | 95450 |
Le Perchay (in French pronounced as /lə pɛʁʃɛ/) is a commune in the Val-d'Oise department in Île-de-France in northern France.