| Tronchy | |
| Commune Status: | Commune |
| Insee: | 71548 |
| Postal Code: | 71440 |
| Arrondissement: | Louhans |
| Canton: | Ouroux-sur-Saône |
| Coordinates: | 46.7281°N 5.0722°W |
| Elevation M: | 200 |
| Elevation Min M: | 183 |
| Elevation Max M: | 211 |
| Area Km2: | 7.76 |
Tronchy (in French pronounced as /tʁɔ̃ʃi/) is a commune in the Saône-et-Loire department in the region of Bourgogne-Franche-Comté in eastern France.