Ri (French pronunciation: [ʁi] ⓘ) is a commune in the Orne department in north-western France.

Saint John Eudes, the forerunner of the devotion to Sacred Heart, was born here.

[3] The commune of Ri is made up of the following collection of villages and hamlets, Ri and Houay The source of the river Houay, a tributary of the Orne originates from the settlement of the same name.

[4] Ri along with another 70 communes is part of a 20,593 hectare, Natura 2000 conservation area, called the Haute vallée de l'Orne et affluents.

[5] In advance of the construction of the A88 autoroute a Neolithic Flint Mine was discovered in Ri.