Theodosius of Oria was a 9th-century bishop and papal legate. He is venerated as a saint by the Catholic Church on August 30.
Painting by Samuele Tatulli depicting the arrival in Ostuni of the relics of Saint Barsanuphius. The three characters in the foreground are (from left to right) the saint, Bishop Theodosius, and the personified diocese of Oria.