Saint-Ouen-sur-Maire (French pronunciation: [sɛ̃.t‿wɛ̃ syʁ mɛʁ] ⓘ) is a former commune in the Orne department in north-western France.

[2] On 1 January 2016, it was merged into the new commune of Écouché-les-Vallées.

[3] The inhabitants are known as Audoniens and Audoniennes.

[4] The population has varied over the past 200 years:

This Orne geographical article is a stub.