Antoninus Honoratus bishop of Constantina or of Cirta, in Africa. He is chiefly known by a letter of his (A.D. 437) to a Spanish bishop named Arcadius,. and three others, banished by Genseric, king of the Vandals, because they would not embrace Arianism. He exhorts them to suffer patiently for the sake of Jesus Christ. The letter is short, but written in vigorous and even elevated language. It is given in Baronius, Annales, A.D. 437, and in the Bibl. Patrum, 8, 665. — Cave, Hist. Lit. 1, 338; Dupin, Hist. Eccl. Writers, 1, 447; Hoefer, Biog. Generale, 2, 859.