Coggiola is a comune (municipality) in the Province of Biella in the Italian region Piedmont, located about northeast of Turin and about northeast of Biella. As of 31 December 2004, it had a population of 2,285 and an area of .
Coggiola borders the following municipalities: Ailoche, Caprile, Portula, Pray.
The municipal territory houses the sanctuaries of Cavallero and Moglietti.
Coggiola is twinned with: