| Marigny-Saint-Marcel | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Marigny-Saint-Marcel.svg |
| Arrondissement: | Annecy |
| Canton: | Rumilly |
| Intercommunality: | Rumilly Terre de Savoie |
| Insee: | 74165 |
| Postal Code: | 74150 |
| Mayor: | Jean-Pierre Favre[1] |
| Term: | 2020 - 2026 |
| Coordinates: | 45.83°N 5.9867°W |
| Elevation Min M: | 340 |
| Elevation Max M: | 504 |
| Area Km2: | 7.35 |
Marigny-Saint-Marcel (in French pronounced as /maʁiɲi sɛ̃ maʁsɛl/; Maregni) is a commune in the Haute-Savoie department in the Auvergne-Rhône-Alpes region in south-eastern France.
The Chéran forms the commune's north-eastern border.