Osny

Osny
The front of the Château d'Osny
Location of Osny
Osny
Osny
Coordinates: 49°03′36″N 2°03′48″E / 49.0600°N 2.0633°E / 49.0600; 2.0633
CountryFrance
RegionÎle-de-France
DepartmentVal-d'Oise
ArrondissementPontoise
CantonCergy-1
IntercommunalityCergy-Pontoise
Government
  Mayor (20202026) Jean-Michel Levesque
Area
1
12.52 km2 (4.83 sq mi)
Population
 (2022)
17,471
  Density1,400/km2 (3,600/sq mi)
Time zoneUTC+01:00 (CET)
  Summer (DST)UTC+02:00 (CEST)
INSEE/Postal code
95476 /95520
Elevation27–102 m (89–335 ft)
Websitewww.osny.fr
1 French Land Register data, which excludes lakes, ponds, glaciers > 1 km2 (0.386 sq mi or 247 acres) and river estuaries.

Osny (French pronunciation: [oni] ) is a commune in the Val-d'Oise department, in the northwestern suburbs of Paris, France. It is located 31.6 km (19.6 mi) from the center of Paris, in the "new town" of Cergy-Pontoise, created in the 1960s.