Tredozio (Romagnol: Tardozî) is a comune (municipality) in the Province of Forlì-Cesena in the Italian region Emilia-Romagna, located about 60km southeast of Bologna and about 30km southwest of Forlì. Tredozio borders the following municipalities: Marradi, Modigliana, Portico e San Benedetto, Rocca San Casciano.