Cerretto Langhe, also Cerreto Langhe, 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 463 and an area of .
Cerreto Langhe borders the following municipalities: Albaretto della Torre, Arguello, Cravanzana, Feisoglio, Roddino, Serravalle Langhe, and Sinio.