| Montseron | |
| Commune Status: | Commune |
| Arrondissement: | Saint-Girons |
| Canton: | Couserans Est |
| Insee: | 09212 |
| Postal Code: | 09240 |
| Mayor: | Alain Pons[1] |
| Term: | 2020 - 2026 |
| Coordinates: | 43.0194°N 1.3253°W |
| Elevation M: | 541 |
| Elevation Min M: | 335 |
| Elevation Max M: | 580 |
| Area Km2: | 8.88 |
Montseron (in French pronounced as /mɔ̃səʁɔ̃/) is a commune in the Ariège department in southwestern France.