| Marcilly-Ogny | |
| Commune Status: | Commune |
| Arrondissement: | Beaune |
| Canton: | Arnay-le-Duc |
| Insee: | 21382 |
| Postal Code: | 21320 |
| Mayor: | François Champrenault[1] |
| Term: | 2020 - 2026 |
| Coordinates: | 47.2531°N 4.4064°W |
| Elevation M: | 440 |
| Elevation Min M: | 370 |
| Elevation Max M: | 521 |
| Area Km2: | 17.87 |
Marcilly-Ogny (in French pronounced as /maʁsiji ɔɲi/) is a commune in the Côte-d'Or department in eastern France.