Trasquera is a comune (municipality) in the Province of Verbano-Cusio-Ossola in the Italian region Piedmont, located about 120 kilometres (75 mi) northeast of Turin and about 35 kilometres (22 mi) northwest of Verbania, in the Val Divedro, on the border with Switzerland.

Trasquera borders the following municipalities: Bognanco, Crevoladossola, Domodossola, Varzo, Zwischbergen (Switzerland).