Perletto is a comune (municipality) in the Province of Cuneo in the Italian region Piedmont, located about southeast of Turin and about northeast of Cuneo.
As of 31 December 2004, it had a population of 321 and an area of . Perletto borders the following municipalities: Castino, Cortemilia, Olmo Gentile, San Giorgio Scarampi, Serole, and Vesime.