A view within Oô
Location of Oô
Coordinates: 42°47′54″N 0°30′26″E / 42.7983°N 0.5072°E / 42.7983; 0.5072
CountryFrance
RegionOccitania
DepartmentHaute-Garonne
ArrondissementSaint-Gaudens
CantonBagnères-de-Luchon
Government
  Mayor (20202026) Jean-Jacques Rives
Area
1
32.53 km2 (12.56 sq mi)
Population
 (2022)
103
  Density3.2/km2 (8.2/sq mi)
Time zoneUTC+01:00 (CET)
  Summer (DST)UTC+02:00 (CEST)
INSEE/Postal code
31404 /31110
Elevation954–3,215 m (3,130–10,548 ft)
(avg. 980 m or 3,220 ft)
1 French Land Register data, which excludes lakes, ponds, glaciers > 1 km2 (0.386 sq mi or 247 acres) and river estuaries.

(French pronunciation: [ɔ.o]; Occitan: Òu; Catalan: ou [ɔw] 'egg') is a commune in the Haute-Garonne department in the Occitanie region in southwestern France. It borders Spain on its southern side.