Miasino is a comune (municipality) in the Province of Novara in the Italian region of Piedmont, located about northeast of Turin and about northwest of Novara. As of 31 December 2004, it had a population of 950 and an area of .
The municipality of Miasino contains the frazioni (subdivisions, mainly villages and hamlets) Pisogno, Tortirogno and Carcegna.
Miasino borders the following municipalities: Ameno, Armeno, Orta San Giulio, and Pettenasco.
In the Castle of Miasino was filmed the thriller movie A Thorn in the Heart (original title Una spina nel cuore) (1986) by Alberto Lattuada. (Info by the Dizionario del Turismo Cinematografico)