| Tillay-le-Péneux | |
| Commune Status: | Commune |
| Arrondissement: | Châteaudun |
| Canton: | Les Villages Vovéens |
| Insee: | 28390 |
| Postal Code: | 28140 |
| Mayor: | Benoit Pommier[1] |
| Term: | 2020 - 2026 |
| Coordinates: | 48.1608°N 1.7756°W |
| Elevation M: | 128 |
| Elevation Min M: | 118 |
| Elevation Max M: | 141 |
| Area Km2: | 22.19 |
Tillay-le-Péneux (in French pronounced as /tijɛ lə penø/) is a commune in the Eure-et-Loir department in the centre of France.