| Mézières-sous-Lavardin | |
| Commune Status: | Commune |
| Arrondissement: | Mamers |
| Canton: | Loué |
| Insee: | 72197 |
| Postal Code: | 72240 |
| Mayor: | Killian Trucas[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Champagne Conlinoise et Pays de Sillé |
| Coordinates: | 48.1558°N 0.0306°W |
| Area Km2: | 15.3 |
Mézières-sous-Lavardin is a commune in the Sarthe department in the region of Pays de la Loire in north-western France.