| Le Glaizil | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason Le Glaizil.svg |
| Arrondissement: | Gap |
| Canton: | Saint-Bonnet-en-Champsaur |
| Insee: | 05062 |
| Postal Code: | 05800 |
| Mayor: | François Collin[1] |
| Term: | 2020 - 2026 |
| Coordinates: | 44.7544°N 5.9833°W |
| Elevation M: | 862 |
| Elevation Min M: | 774 |
| Elevation Max M: | 2570 |
| Area Km2: | 21.93 |
Le Glaizil (in French pronounced as /lə ɡlɛzil/; Occitan (post 1500);: Lo Glaisiu) is a commune in the Hautes-Alpes department in southeastern France. It is famous for hosting the ruins of the castle of the Duke of Lesdiguières, Constable of France in the 17th century.