| Montenay | |
| Commune Status: | Commune |
| Arrondissement: | Mayenne |
| Canton: | Ernée |
| Mayor: | Gervais Hameau[1] |
| Term: | 2020 - 2026 |
| Coordinates: | 48.2892°N -0.8914°W |
| Elevation M: | 109 |
| Elevation Min M: | 94 |
| Elevation Max M: | 208 |
| Area Km2: | 37.20 |
| Insee: | 53155 |
| Postal Code: | 53500 |
Montenay (in French pronounced as /mɔ̃tnɛ/) is a commune in the Mayenne department in north-western France.