| Larnat | |
| Commune Status: | Commune |
| Arrondissement: | Foix |
| Canton: | Haute-Ariège |
| Insee: | 09156 |
| Postal Code: | 09310 |
| Mayor: | Claude Gouzy[1] |
| Term: | 2020 - 2026 |
| Coordinates: | 42.8003°N 1.6328°W |
| Elevation M: | 940 |
| Elevation Min M: | 639 |
| Elevation Max M: | 1544 |
| Area Km2: | 5.6 |
Larnat (in French pronounced as /laʁna/) is a commune in the Ariège department in southwestern France.