Oust, Ariège
| Oust | |
|---|---|
| Vic d'Oust | |
| Location of Oust | |
| Coordinates: 42°52′33″N 1°12′57″E / 42.8758°N 1.2158°E | |
| Country | France | 
| Region | Occitania | 
| Department | Ariège | 
| Arrondissement | Saint-Girons | 
| Canton | Couserans Est | 
| Intercommunality | Couserans-Pyrénées | 
| Government | |
| • Mayor (2021–2026) | Richard de Meritens de Villeneuve | 
| Area 1 | 18.97 km2 (7.32 sq mi) | 
| Population  (2022) | 574 | 
| • Density | 30/km2 (78/sq mi) | 
| Time zone | UTC+01:00 (CET) | 
| • Summer (DST) | UTC+02:00 (CEST) | 
| INSEE/Postal code | 09223 /09140 | 
| Elevation | 480–1,494 m (1,575–4,902 ft) (avg. 501 m or 1,644 ft) | 
| 1 French Land Register data, which excludes lakes, ponds, glaciers > 1 km2 (0.386 sq mi or 247 acres) and river estuaries. | |
Oust (French pronunciation: [ust]; Occitan: Ost) is a commune in the Ariège department in southwestern France.