Antonio Correr (July 15, 1369 – January 19, 1445) was the son of Filippo Correr and Cassandra Venier. He was Cardinal-nephew of Gregory XII, Pope of the Roman Obedience in the period of the Great Western Schism, eldest brother of Filippo Correr. He was also cousin of Pope Eugene IV, son of his father Filippos sister Bariola and Angelo Condulmer. His last name is listed also as Corrario and Corraro.
Born in Venice, he was one of the founders of the Congregation of the Augustinian Canons Regular of S. Giorgio in Alga in his native city of Venice. In 1405 he was named bishop of Modon, but two years later his uncle Gregory XII transferred him to the see of Bologna. He could not take possession of the latter see due to opposition of Cardinal Baldassare Cossa (later Antipope John XXIII), who did not recognized his nomination, because he considered Gregory XII an antipope. On May 9, 1408 Antonio was created Cardinal Priest of San Pietro in Vincoli by his uncle and few month later was promoted to Cardinal Bishop of Porto. He was also administrator of the see of Fiesole (1408–10) and Latin Patriarch of Constantinople (1408–09). He also was Camerlengo of the Holy Roman Church from 1406 until July 1415. Antonio attended the Council of Constance as representative of the Roman Obedience of the Sacred College. He participated in the Papal conclave, 1417. Archpriest of the patriarchal Vatican Basilica 1420–1434, he served also as papal legate in Perugia (1425) and in Tuscany (1431). Antonio was administrator of the sees of Cittanova (1420–21), Rimini (1435) and Cervia (1435–40). He participated in the Papal conclave, 1431. New pope Eugene IV (his cousin) transferred him to the suburbicarian see of Ostia e Velletri on March 14, 1431. He became Dean of the Sacred College of Cardinals at the death of Giordano Orsini on May 29, 1438. Author of an unpublished history of his times, he died at Padua, but his remains were transferred to Venice and buried in the church of S. Giorgio in Alga.