Casapinta is a comune (municipality) in the Province of Biella in the Italian region Piedmont, located about northeast of Turin and about northeast of Biella. As of 30 November 2025, it had a population of 367 and an area of .
Casapinta borders the following municipalities: Crosa, Curino, Lessona, Masserano, Mezzana Mortigliengo, Strona.