| Lamnay | |
| Commune Status: | Commune |
| Arrondissement: | Mamers |
| Canton: | Saint-Calais |
| Insee: | 72156 |
| Postal Code: | 72320 |
| Mayor: | Nadège Pioger[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Pays de l'Huisne Sarthoise |
| Coordinates: | 48.1167°N 0.705°W |
| Elevation Min M: | 87 |
| Elevation Max M: | 182 |
| Area Km2: | 22.09 |
Lamnay (pronounced as /fr/) is a commune in the Sarthe department, region of Pays de la Loire, northwestern France.