Orne

For other uses, see Orne (disambiguation).

Orne
Department of France
Prefecture building of the Orne department, in Alençon
Flag Coat of arms
Location of Orne in France
Coordinates: 48°42′N 0°0′E
Country	France
Region	Normandy
Prefecture	Alençon
Subprefectures	Argentan Mortagne-au-Perche
Government
• President of the Departmental Council	Christophe de Balorre
Area 1
• Total	6,103 km2 (2,356 sq mi)
Population  (2023)
• Total	275,201
• Rank	78th
• Density	45.09/km2 (116.8/sq mi)
Time zone	UTC+1 (CET)
• Summer (DST)	UTC+2 (CEST)
ISO 3166 code	FR-61
Department number	61
Arrondissements	3
Cantons	21
Communes	381
^1 French Land Register data, which exclude estuaries and lakes, ponds and glaciers larger than 1 km2

Orne (French pronunciation: [ɔʁn] ^ⓘ; Norman: Ôrne or Orne) is a department in Normandy in the northwest of France, named after the river Orne. Its prefecture is Alençon. In 2023 it had a population of 275,201.