| Messimy-sur-Saône | |
| Commune Status: | Commune |
| Arrondissement: | Bourg-en-Bresse |
| Canton: | Villars-les-Dombes |
| Insee: | 01243 |
| Postal Code: | 01480 |
| Mayor: | Thierry Michal[1] |
| Term: | 2020 - 2026 |
| Coordinates: | 46.0492°N 4.7653°W |
| Elevation M: | 210 |
| Elevation Min M: | 168 |
| Elevation Max M: | 226 |
| Area Km2: | 5.95 |
Messimy-sur-Saône (in French pronounced as /mɛsimi syʁ son/, literally Messimy on Saône) is a commune in the Ain department in eastern France.