Brusnengo is a comune located in the Province of Biella within the Piedmont region of northern Italy. It is situated approximately 12 kilometres (7 mi) northeast of the city of Biella and about 70 kilometres (43 mi) northeast of Turin.
As of December 31, 2004, the municipality covered an area of 10.4 square kilometres (4.0 mi2) and had a recorded population of 2,127 residents.