Ritten (Renon) (Italian: Renon; German: Ritten; Archaic (870 AD): Ritano; Latin: Retinone) is a comune (municipality) in the province of Bolzano-Bozen in the Italian region Trentino-Alto Aige/Südtirol, As of 31 December 2004, it had a population of 7,144 and an area of 111 km².