Soprana was 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 822 and an area of .
Soprana bordered the following municipalities: Curino, Mezzana Mortigliengo, Trivero.
As a comune it had the following frazioni (villages):Baltigati, Lanvario, Cerreia, Cerruti, Molinengo.
From 1 January 2019 Soprana was absorbed by the new-born municipality of Valdilana.