Pessinetto (Piedmontese: Psinèj or Psinaj, Arpitan: Pisinài) is a comune (municipality) in the Metropolitan City of Turin in the Italian region Piedmont, located about 35 km northwest of Turin.
Pessinetto borders the following municipalities: Monastero di Lanzo, Ceres, Mezzenile, Lanzo Torinese, Traves, and Germagnano.