Mortagne-au-Perche (French pronunciation: [mɔʁtaɲ o pɛʁʃ] ⓘ) is a commune in the Orne department in Normandy, northwestern France.

[3] It is classed as a Petites Cités de Caractère.

[4]

The Commune has seventeen buildings and areas listed as a Monument historique.

Mortagne-au-Perche is twinned with:[26]