Carignano is a comune (municipality) in the Metropolitan City of Turin in the Italian region Piedmont, located about 20 kilometres (12 mi) south of Turin. Carignano borders the following municipalities: Moncalieri, Vinovo, La Loggia, Piobesi Torinese, Villastellone, Castagnole Piemonte, Osasio, Lombriasco and Carmagnola.