| Flacy | |
| Commune Status: | Commune |
| Coordinates: | 48.2272°N 3.6047°W |
| Insee: | 89165 |
| Postal Code: | 89190 |
| Arrondissement: | Sens |
| Canton: | Brienon-sur-Armançon |
| Mayor: | Claudine Pierre[1] |
| Term: | 2020 - 2026 |
| Elevation Min M: | 105 |
| Elevation Max M: | 232 |
| Area Km2: | 12.50 |
Flacy (in French pronounced as /flasi/) is a commune in the Yonne department in Bourgogne-Franche-Comté in north-central France.