| Tréon | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Tréon 28.svg |
| Arrondissement: | Dreux |
| Canton: | Dreux-1 |
| Insee: | 28394 |
| Postal Code: | 28500 |
| Mayor: | Christian Berthelier[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | CA Pays de Dreux |
| Coordinates: | 48.6767°N 1.3256°W |
| Elevation M: | 108 |
| Elevation Min M: | 102 |
| Elevation Max M: | 172 |
| Area Km2: | 10.93 |
Tréon (in French pronounced as /tʁeɔ̃/) is a commune in the Eure-et-Loir department in northern France.