| Omessa | |
| Commune Status: | Commune |
| Arrondissement: | Corte |
| Canton: | Golo-Morosaglia |
| Insee: | 2B193 |
| Postal Code: | 20236 |
| Mayor: | Jean-François Filippi[1] |
| Term: | 2020 - 2026 |
| Coordinates: | 42.3711°N 9.2108°W |
| Elevation M: | 450 |
| Elevation Min M: | 239 |
| Elevation Max M: | 1335 |
| Area Km2: | 24.4 |
Omessa (in French pronounced as /ɔmɛsa/) is a commune in the Haute-Corse department of France on the island of Corsica.
The town is served by a station on the Corsican Railways.