Gargallo is a comune (municipality) in the Province of Novara, in the Italian region of Piedmont. It is located about 90 kilometres (56 mi) northeast of Turin, the regional capital, and about 35 kilometres (22 mi) northwest of Novara, the provincial capital.
As a comune, Gargallo is the basic administrative division of local government in Italy, encompassing the settlement and its surrounding territory within the Province of Novara.