| Thoiry | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Thoiry Yvelines.svg |
| Arrondissement: | Rambouillet |
| Canton: | Aubergenville |
| Insee: | 78616 |
| Postal Code: | 78770 |
| Mayor: | Benjamin Bayliss[1] |
| Term: | 2020 - 2026 |
| Coordinates: | 48.8664°N 1.7947°W |
| Elevation M: | 151 |
| Elevation Min M: | 113 |
| Elevation Max M: | 171 |
| Area Km2: | 7.09 |
Thoiry (in French pronounced as /twaʁi/) is a commune in the Yvelines department in the Île-de-France region in north-central France. It is the location of Château de Thoiry.
The town was mentioned in the song by "Thoiry" by Italian rappers Quentin40 and Puritano.
Stage 2 of The 2024 Paris–Nice Cycle Race[2] began at Thoiry, March 3rd 2024.