| Bonnay | |
| Commune: | Bonnay-Saint-Ythaire |
| Image Coat Of Arms: | Blason de la ville de Bonnay (Saône-et-Loire).svg |
| Insee: | 71042 |
| Postal Code: | 71460 |
| Arrondissement: | Mâcon |
| Canton: | Cluny |
| Coordinates: | 46.5508°N 4.6225°W |
| Elevation M: | 350 |
| Elevation Min M: | 197 |
| Elevation Max M: | 378 |
| Area Km2: | 11.99 |
| Population: | 312 |
| Population Date: | 2020 |
| Population Footnotes: | [1] |
Bonnay is a former commune in the Saône-et-Loire department in the region of Bourgogne-Franche-Comté in eastern France. On 1 January 2023, it was merged into the new commune of Bonnay-Saint-Ythaire.[2]