| Flagy | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason de la ville de Flagy (Seine-et-Marne).svg |
| Coordinates: | 48.3131°N 2.9222°W |
| Insee: | 77184 |
| Postal Code: | 77940 |
| Arrondissement: | Fontainebleau |
| Canton: | Nemours |
| Mayor: | Philippe Desvignes[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | CC Moret Seine et Loing |
| Elevation Min M: | 69 |
| Elevation Max M: | 151 |
| Area Km2: | 7.21 |
Flagy (in French pronounced as /flaʒi/) is a commune in the Seine-et-Marne department in the Île-de-France region in north-central France.
Inhabitants of Flagy are called Flagiens.