| Gouaux-de-Luchon | |
| Commune Status: | Commune |
| Arrondissement: | Saint-Gaudens |
| Canton: | Bagnères-de-Luchon |
| Insee: | 31222 |
| Postal Code: | 31110 |
| Mayor: | Bernard Prince[1] |
| Term: | 2020 - 2026 |
| Coordinates: | 42.8569°N 0.6211°W |
| Elevation M: | 850 |
| Elevation Min M: | 680 |
| Elevation Max M: | 2193 |
| Area Km2: | 14.49 |
Gouaux-de-Luchon (pronounced as /fr/; oc|Guaus de Luishon) is a commune in the Haute-Garonne department in southwestern France. Surface area is 14.49 km².