Pope Anterus succeeds Pontian as the nineteenth pope. During the persecutions of emperor Maximinus Thrax he is martyred.

Pope Anterus (Latin: Anterus, Classical Greek: Ανθηρός (Antheros), Church Slavonic: Священномученик Анфир Римский, папа Римский) was the bishop of Rome from 21 November 235 to his death on 3 January 236.