| Thiron-Gardais | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason Thiron-Gardais.svg |
| Arrondissement: | Nogent-le-Rotrou |
| Canton: | Nogent-le-Rotrou |
| Insee: | 28387 |
| Postal Code: | 28480 |
| Mayor: | Victor Provôt[1] |
| Term: | 2020 - 2026 |
| Coordinates: | 48.3114°N 0.9956°W |
| Elevation M: | 238 |
| Elevation Min M: | 200 |
| Elevation Max M: | 279 |
| Area Km2: | 13.46 |
Thiron-Gardais (pronounced as /fr/, before 1987: Thiron)[2] is a commune in the Eure-et-Loir department in northern France. The Tiron Abbey is located in the commune.