| Fontanès-de-Sault | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Fontanès-de-Sault (Aude).svg |
| Arrondissement: | Limoux |
| Canton: | La Haute-Vallée de l'Aude |
| Insee: | 11147 |
| Postal Code: | 11140 |
| Mayor: | Didier Paris[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Pyrénées Audoises |
| Coordinates: | 42.7694°N 2.0825°W |
| Elevation M: | 912 |
| Elevation Min M: | 660 |
| Elevation Max M: | 1600 |
| Area Km2: | 5.29 |
Fontanès-de-Sault (pronounced as /fr/; oc|Fontanes) is a commune in the Aude department in southern France.