| Cossé-le-Vivien | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason Cosse-le-Vivien.svg |
| Arrondissement: | Château-Gontier |
| Canton: | Cossé-le-Vivien |
| Mayor: | Christophe Langouet[1] |
| Term: | 2020 - 2026 |
| Coordinates: | 47.9461°N -0.9103°W |
| Elevation M: | 81 |
| Elevation Min M: | 50 |
| Elevation Max M: | 104 |
| Area Km2: | 44.41 |
| Insee: | 53077 |
| Postal Code: | 53230 |
Cossé-le-Vivien (in French pronounced as /kɔse lə vivjɛ̃/) is a commune in the Mayenne department in north-western France.
The river Oudon flows through the middle of the commune and forms most of its north-western border. It contains a museum dedicated to Robert Tatin's work.