Antonio Fatati was an Italian Catholic bishop who served as the Bishop for Ancona e Umana from 3 November 1463 until his death. Fatati also served as a bishop in both Teramo and Siena; he was an assistant bishop in the latter position to Cardinal Francesco Todeschini Piccolomini. He also happened to secure favor from various popes due to his work and important positions within the Papal States; his positions included treasurer and canon among others.