Bannio Anzino (pop. 539) is a commune of the Province of Verbano-Cusio-Ossola in the Italian region Piedmont , located about 100 kilometres (62 mi) northeast of Turin and about 40 kilometres (25 mi) west of Verbania .

The main population centres within the municipality are the frazioni Bannio (site of the town hall), Pontegrande and Anzino (formerly a commune in its own right); further localities include Case Fornari, Case Prucci, Case Rovazzi, Castelletto, Fontane, Gaggieto, Parcineto, Scalaccia, and Valpiana.

Bannio Anzino borders the following municipalities: Calasca-Castiglione , Carcoforo, Ceppo Morelli , Fobello , Rimella , Vanzone con San Carlo .