Bardello is a frazione (hamlet) of the comune of Bardello con Malgesso e Bregano, located in the province of Varese, in the Lombardy region of northern Italy.
It was an autonomous comune until 1 January 2023, when it merged with Bregano and Malgesso to form the new comune of Bardello con Malgesso e Bregano. The merged municipality takes its name from the three former communes, of which Bardello is one.