| Saint-Jean-du-Falga | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Saint-Jean-du-Falga (Ariège).svg |
| Arrondissement: | Pamiers |
| Canton: | Pamiers-1 |
| Insee: | 09265 |
| Postal Code: | 09100 |
| Mayor: | Michel Doussat[1] |
| Term: | 2020 - 2026 |
| Coordinates: | 43.0875°N 1.6289°W |
| Elevation M: | 320 |
| Elevation Min M: | 289 |
| Elevation Max M: | 324 |
| Area Km2: | 4.03 |
Saint-Jean-du-Falga (in French pronounced as /sɛ̃ ʒɑ̃ dy falɡa/; Languedocien: Sant Joan del Falgar) is a commune in the Ariège department in southwestern France.
Inhabitants are called Saint-Jeantais in French.