Brentonico is a comune, or municipality, located in the Trentino province of the northern Italian region of Trentino-Alto Adige. It is situated approximately 30 kilometres (19 miles) southwest of the city of Trento.
As of December 31, 2004, the municipality covered an area of 62.6 square kilometres (24.2 square miles) and had a population of 3,770 residents.