Bregano is a frazione (hamlet) of the comune (municipality) of Bardello con Malgesso e Bregano, in the Province of Varese in the Italian region Lombardy. It is located about northwest of Milan and about west of Varese. As of 31 December 2004, it had a population of 750 and an area of . It had been a comune until 1 January 2023, when it merged with Bardello and Malgesso, and became part the newborn comune of Bardello con Malgesso e Bregano.