| Sainte-Foi | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Sainte-Foi (Ariège).svg |
| Arrondissement: | Pamiers |
| Canton: | Mirepoix |
| Insee: | 09260 |
| Postal Code: | 09500 |
| Mayor: | Daniel Gaillard[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Pays de Mirepoix |
| Coordinates: | 43.13°N 1.9153°W |
| Elevation M: | 417 |
| Elevation Min M: | 337 |
| Elevation Max M: | 451 |
| Area Km2: | 2.41 |
Sainte-Foi (in French pronounced as /sɛ̃t fwa/; Occitan (post 1500);: Santa Fe) is a commune in the Ariège department in southwestern France.
Inhabitants of Sainte-Foi are called Fidésiens.