| Vernaux | |
| Commune Status: | Commune |
| Arrondissement: | Foix |
| Canton: | Haute-Ariège |
| Insee: | 09330 |
| Postal Code: | 09250 |
| Mayor: | Maxime Martuchou[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Haute Ariège |
| Coordinates: | 42.7733°N 1.7589°W |
| Elevation M: | 800 |
| Elevation Min M: | 639 |
| Elevation Max M: | 2081 |
| Area Km2: | 6.06 |
Vernaux is a commune in the Ariège department in southwestern France.
Inhabitants of Vernaux are called Vernausiens.