| Frétoy | |
| Commune Status: | Commune |
| Coordinates: | 48.7039°N 3.1989°W |
| Insee: | 77197 |
| Postal Code: | 77320 |
| Arrondissement: | Provins |
| Canton: | Provins |
| Mayor: | Dominique Fabre[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Provinois |
| Elevation Min M: | 125 |
| Elevation Max M: | 162 |
| Area Km2: | 6.43 |
Frétoy (in French pronounced as /fʁetwa/) is a commune in the Seine-et-Marne department in the Île-de-France region in north-central France.
The village lies in the middle of the commune, on the left bank of the Aubetin, which flows westward through the commune.
Inhabitants of Frétoy are called Frétoysiens.