| Blanzay | |
| Commune Status: | Commune |
| Arrondissement: | Montmorillon |
| Canton: | Civray |
| Insee: | 86029 |
| Postal Code: | 86400 |
| Mayor: | Isabelle Surreaux[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Civraisien en Poitou |
| Coordinates: | 46.2031°N 0.2561°W |
| Elevation Min M: | 119 |
| Elevation Max M: | 147 |
| Area Km2: | 35.45 |
Blanzay (in French pronounced as /blɑ̃zɛ/) is a commune in the Vienne department in the Nouvelle-Aquitaine region in western France.