| Cellio con Breia | |
| Coordinates: | 45.7571°N 8.3117°W |
| Region: | Piedmont |
| Province: | Vercelli (VC) |
| Frazioni: | Breia, Cellio |
| Mayor: | Daniele Todaro |
| Area Total Km2: | 685 |
| Population Footnotes: | [1] |
| Population Total: | 992 |
| Population As Of: | 31 August 2017 |
| Elevation M: | 685 |
Cellio con Breia is a comune (municipality) in the Province of Vercelli in the Italian region Piedmont, established on 1 January 2018 by the merger of the former comuni of Breia and Cellio, in the lower Valsesia.