Soprana was a comune (municipality) in the Province of Biella in the Italian region Piedmont , located about 70 kilometres (43 mi) northeast of Turin and about 12 kilometres (7 mi) northeast of Biella. As of 31 December 2004, it had a population of 822 and an area of 5.5 square kilometres (2.1 sq mi).

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.