| Marnay | |
| Commune Status: | Commune |
| Insee: | 71283 |
| Postal Code: | 71240 |
| Arrondissement: | Chalon-sur-Saône |
| Canton: | Saint-Rémy |
| Intercommunality: | CA Le Grand Chalon |
| Coordinates: | 46.7025°N 4.9267°W |
| Elevation M: | 178 |
| Elevation Min M: | 171 |
| Elevation Max M: | 180 |
| Area Km2: | 5.08 |
Marnay (in French pronounced as /maʁnɛ/) is a commune in the Saône-et-Loire department in the region of Bourgogne-Franche-Comté in eastern France.[1]
The river Grosne flows into the Saône in the commune.