| Chigy | |
| Coordinates: | 48.2003°N 3.4781°W |
| Insee: | 89107 |
| Postal Code: | 89190 |
| Arrondissement: | Sens |
| Canton: | Brienon-sur-Armançon |
| Commune: | Les Vallées de la Vanne |
| Elevation Min M: | 90 |
| Elevation Max M: | 211 |
| Area Km2: | 11.76 |
| Population: | 348 |
| Population Date: | 2019 |
| Population Footnotes: | [1] |
Chigy (in French pronounced as /ʃiʒi/) is a former commune in the Yonne department in Bourgogne-Franche-Comté in north-central France. On 1 January 2016, it was merged into the new commune of Les Vallées de la Vanne.[2]