| Casabianca | |
| Native Name: | A Casabianca |
| Commune Status: | Commune |
| Arrondissement: | Corte |
| Canton: | Casinca-Fumalto |
| Insee: | 2B069 |
| Postal Code: | 20237 |
| Mayor: | Fernand Vincentelli[1] |
| Term: | 2020 - 2026 |
| Coordinates: | 42.4472°N 9.3639°W |
| Elevation M: | 630 |
| Elevation Min M: | 388 |
| Elevation Max M: | 1000 |
| Area Km2: | 3.68 |
Casabianca (pronounced as /it/; also Corsican: A Casabianca) is a commune in the French department of Haute-Corse, collectivity and island of Corsica.