Pettinengo is a comune (municipality) in the Province of Biella in the Italian region Piedmont, located about 60 kilometres (37 mi) northeast of Turin and about 3 kilometres (2 mi) southeast of Biella.

As of 31 December 2004, it had a population of 1,567 and an area of 11.5 square kilometres (4.4 sq mi).

[3] Pettinengo borders the following municipalities: Andorno Micca, Biella, Bioglio, Callabiana, Camandona, Piedicavallo, Pila, Piode, Rassa, Ronco Biellese, Scopello, Tavigliano, Ternengo, Valle Mosso, Valle San Nicolao, Veglio, Zumaglia.

From 1 January 2017 Pettinengo absorbed the neighbouring municipality of Selve Marcone.

[4] Media related to Pettinengo at Wikimedia Commons