| Montegrosso | |
| Commune Status: | Commune |
| Arrondissement: | Calvi |
| Canton: | Calvi |
| Insee: | 2B167 |
| Postal Code: | 20214 |
| Mayor: | Jean-Marc Borri[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Calvi Balagne |
| Coordinates: | 42.5433°N 8.8864°W |
| Elevation M: | 400 |
| Elevation Min M: | 20 |
| Elevation Max M: | 800 |
| Area Km2: | 22.78 |
Montegrosso (in French pronounced as /mɔ̃tɛɡʁɔso/) is a commune in the Haute-Corse department of France on the island of Corsica. It is a gathering of three villages: Montemaggiore, Lunghiniano and Zillia.
Montegrosso is named after the surrounding mountain, Montegrosso (the "Big Mountain"), and located 1O miles from Calvi.