| Le Thillay | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Le Thillay 95.svg |
| Coordinates: | 49.0056°N 2.4717°W |
| Arrondissement: | Sarcelles |
| Canton: | Villiers-le-Bel |
| Intercommunality: | CA Roissy Pays de France |
| Mayor: | Patrice Gebauer[1] |
| Term: | 2020 - 2026 |
| Area Km2: | 3.94 |
| Insee: | 95612 |
| Postal Code: | 95500 |
Le Thillay (in French pronounced as /lə tijɛ/) is a commune in the Val-d'Oise department in Île-de-France in northern France.