| Longny-au-Perche | |
| Arrondissement: | Mortagne-au-Perche |
| Canton: | Tourouvre |
| Insee: | 61230 |
| Postal Code: | 61290 |
| Commune: | Longny les Villages |
| Coordinates: | 48.5311°N 0.7528°W |
| Elevation M: | 165 |
| Elevation Min M: | 145 |
| Elevation Max M: | 242 |
| Area Km2: | 39.13 |
| Population: | 1389 |
| Population Date: | 2019 |
| Population Footnotes: | [1] |
Longny-au-Perche (pronounced as /fr/) is a former commune in the Orne department in north-western France. It is classed as a Petites Cités de Caractère.[2] On 1 January 2016, it was merged into the new commune of Longny les Villages.[3]