| Blanzy | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason Blanzy.svg |
| Insee: | 71040 |
| Postal Code: | 71450 |
| Arrondissement: | Autun |
| Canton: | Blanzy |
| Mayor: | Hervé Mazurek[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | CU Creusot Montceau |
| Coordinates: | 46.7047°N 4.3911°W |
| Elevation Min M: | 277 |
| Elevation Max M: | 399 |
| Area Km2: | 39.95 |
Blanzy (in French pronounced as /blɑ̃zi/) is a commune in the Saône-et-Loire department in the region of Bourgogne-Franche-Comté in eastern France.
The Bourbince forms part of the commune's northeastern border, then flows southwest through the middle of the commune.