Campiglia Cervo is a comune (municipality) in the Province of Biella in the Italian region Piedmont, located about 70 kilometres (43 mi) northeast of Turin and about 4 kilometres (2 mi) northwest of Biella. As of 31 December 2004, it had a population of 176 and an area of 11.7 square kilometres (4.5 sq mi).

Campiglia Cervo borders the following municipalities: Andorno Micca, Mosso, Piedicavallo, Quittengo, Rosazza, Valle Mosso. From 1 January 2016 Campiglia Cervo also encompasses two former neighbouring municipalities, Quittengo and San Paolo Cervo.

In the municipality there is a famous sanctuary, the Sacro Monte di Andorno.