Cantoira ( Piedmontese Cantoira, Franco-Provençal Tchantoùeri, French Cantoire ) is a municipality with 550 inhabitants (as at 31 December 2012) in the Italian province of Turin (TO ), Region Piedmont.

The neighboring municipalities are Locana, Chialamberto, Monastero di Lanzo and Ceres. Patron saint of the village are the apostles Peter and Paul.

The municipality covers an area of ​​23 km ².