| Joncy | |
| Commune Status: | Commune |
| Insee: | 71242 |
| Postal Code: | 71460 |
| Arrondissement: | Mâcon |
| Canton: | Blanzy |
| Intercommunality: | CC du Clunisois |
| Mayor: | Christian Morelli[1] |
| Term: | 2020 - 2026 |
| Coordinates: | 46.6142°N 4.5589°W |
| Elevation M: | 220 |
| Elevation Min M: | 222 |
| Elevation Max M: | 450 |
| Area Km2: | 15.15 |
Joncy (in French pronounced as /ʒɔ̃si/) is a commune in the Saône-et-Loire department in the region of Bourgogne-Franche-Comté in eastern France.