| Treigny | |
| Coordinates: | 47.5514°N 3.1847°W |
| Insee: | 89420 |
| Postal Code: | 89520 |
| Arrondissement: | Auxerre |
| Canton: | Vincelles |
| Commune: | Treigny-Perreuse-Sainte-Colombe |
| Elevation Min M: | 187 |
| Elevation Max M: | 367 |
| Area Km2: | 52.70 |
| Population: | 771 |
| Population Date: | 2019 |
| Population Footnotes: | [1] |
Treigny (in French pronounced as /tʁɛɲi/) is a former commune in the Yonne department in Bourgogne-Franche-Comté in north-central France. On 1 January 2019, it was merged into the new commune Treigny-Perreuse-Sainte-Colombe.[2]