| Mercey-sur-Saône | |
| Commune Status: | Commune |
| Coordinates: | 47.5375°N 5.7311°W |
| Insee: | 70342 |
| Postal Code: | 70130 |
| Arrondissement: | Vesoul |
| Canton: | Scey-sur-Saône-et-Saint-Albin |
| Mayor: | Aurélien Girod[1] |
| Term: | 2020 - 2026 |
| Elevation Min M: | 192 |
| Elevation Max M: | 253 |
| Area Km2: | 7.69 |
Mercey-sur-Saône (in French pronounced as /mɛʁsɛ syʁ son/, literally Mercey on Saône) is a commune in the Haute-Saône department in the region of Bourgogne-Franche-Comté in eastern France.