| Nessa | |
| Commune Status: | Commune |
| Arrondissement: | Calvi |
| Canton: | L'Île-Rousse |
| Insee: | 2B175 |
| Postal Code: | 20225 |
| Mayor: | Jean-Michel Pinaud[1] |
| Term: | 2020 - 2026 |
| Coordinates: | 42.5503°N 8.9483°W |
| Elevation M: | 350 |
| Elevation Min M: | 258 |
| Elevation Max M: | 1331 |
| Area Km2: | 5.86 |
Nessa is a commune in the Haute-Corse department of France on the island of Corsica.