Bisuschio is a town and comune in the province of Varese, within the Lombardy region of northern Italy. It is one of the many small municipalities that make up the densely settled area of Varese province, in the Alpine foothills between Milan and the Swiss border.
The comune is divided into a number of frazioni, the subdivisions into which Italian municipalities are commonly organised. These are Ponte, Ravasina, Molino del Frec, Centro, Zerbi, Piamo, Molino dei Prati, Rossaga, Roncaccio, and Pogliana. Centro serves as the central settlement, while the remaining frazioni are smaller hamlets scattered across the municipal territory.
As a comune, Bisuschio is the basic unit of local government in Italy, responsible for local administration and services for its residents. It lies in Lombardy, the country's most populous region.