| Houssay | |
| Commune Status: | Commune |
| Arrondissement: | Château-Gontier |
| Canton: | Château-Gontier-sur-Mayenne-1 |
| Mayor: | Jean-Marie Gigan[1] |
| Term: | 2020 - 2026 |
| Coordinates: | 47.915°N -0.7347°W |
| Elevation M: | 100 |
| Elevation Min M: | 32 |
| Elevation Max M: | 107 |
| Area Km2: | 14.26 |
| Insee: | 53117 |
| Postal Code: | 53360 |
Houssay (in French pronounced as /usɛ/) is a commune in the Mayenne department in north-western France.