Gattinara () is a comune (municipality) in the Province of Vercelli in the Italian region of Piedmont, located about northeast of Turin and about north of Vercelli. As of 31 December 2004, it had a population of 8,506 and an area of .
Gattinara is notable for its red wine.
Gattinara borders the following municipalities: Ghemme, Lenta, Lozzolo, Roasio, Romagnano Sesia, Rovasenda, Prato Sesia and Serravalle Sesia.