Caltignaga is a comune (municipality) in the Province of Novara in the Italian region Piedmont, located about 90 km northeast of Turin and about 8 km northwest of Novara. As of 31 December 2004, it had a population of 2,447 and an area of 22.3 km². Caltignaga borders the following municipalities: Bellinzago Novarese, Briona, Cameri, Momo, Novara, and San Pietro Mosezzo.