Casalino is a comune (municipality) in the Province of Novara in the Italian region Piedmont, located about northeast of Turin and about southwest of Novara. As of 31 December 2004, it had a population of 1,469 and an area of .
Casalino borders the following municipalities: Biandrate, Borgo Vercelli, Casalbeltrame, Casalvolone, Confienza, Granozzo con Monticello, Novara, San Pietro Mosezzo, and Vinzaglio.
In the municipality of Casalino, in the Cameriano area and nearby, the movie Rice Girl (Italian title La risaia) by Raffaello Matarazzo was shot. (Info by the Dizionario del Turismo Cinematografico)