| Ilhat | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason Ilhat et Roquefort.svg |
| Arrondissement: | Pamiers |
| Canton: | Pays d'Olmes |
| Insee: | 09142 |
| Postal Code: | 09300 |
| Mayor: | Christian Poplineau[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Pays d'Olmes |
| Coordinates: | 42.9578°N 1.785°W |
| Elevation M: | 434 |
| Elevation Min M: | 397 |
| Elevation Max M: | 770 |
| Area Km2: | 6.89 |
Ilhat (before 1987: Illat)[2] is a commune in the Ariège department in southwestern France.