Seix
| Seix | |
|---|---|
| Location of Seix | |
| Coordinates: 42°51′55″N 1°12′05″E / 42.8653°N 1.2014°E | |
| Country | France | 
| Region | Occitania | 
| Department | Ariège | 
| Arrondissement | Saint-Girons | 
| Canton | Couserans Est | 
| Government | |
| • Mayor (2020–2026) | Hélène Nirascou | 
| Area 1 | 86.78 km2 (33.51 sq mi) | 
| Population  (2022) | 743 | 
| • Density | 8.6/km2 (22/sq mi) | 
| Time zone | UTC+01:00 (CET) | 
| • Summer (DST) | UTC+02:00 (CEST) | 
| INSEE/Postal code | 09285 /09140 | 
| Elevation | 495–2,838 m (1,624–9,311 ft) (avg. 512 m or 1,680 ft) | 
| 1 French Land Register data, which excludes lakes, ponds, glaciers > 1 km2 (0.386 sq mi or 247 acres) and river estuaries. | |
Seix (French pronunciation: [sɛks]; Occitan: Sèish) is a commune in the southwestern French department of Ariège.