| Casaglione | |
| Commune Status: | Commune |
| Arrondissement: | Ajaccio |
| Canton: | Sevi-Sorru-Cinarca |
| Insee: | 2A070 |
| Postal Code: | 20111 |
| Mayor: | Ours-Pierre Alfonsi[1] |
| Term: | 2020 - 2026 |
| Coordinates: | 42.0689°N 8.7886°W |
| Elevation M: | 140 |
| Elevation Min M: | 0 |
| Elevation Max M: | 412 |
| Area Km2: | 14.73 |
Casaglione (Corsican: Casagliò|link=no) is a commune in the Corse-du-Sud department of France on the island of Corsica.