John I of Naples

Saint John I of Naples was bishop of Naples in Italy in the fifth century and reposed in 432. According to the tenth-⁠century Catalogue of the bishops of Naples he was the fourteenth bishop of the city and held the see for twenty-⁠seven years, that is from about 405, when he succeeded Orsus I, to 432; Nostrianus succeeded him. He is known for having moved the relics of Saint Januarius (Gennaro) from the Agro Marciano to Pozzuoli.

He died on the night of Great Saturday in 432, while celebrating the Paschal service, and was buried on Pascha day. His existence is historically attested by a letter that the priest Uranius wrote to Pacatus a year after the death of Bishop Paulinus of Nola († 22 June 431). Uranius relates that he had learned from John of Naples that Paulinus appeared to him in a dream three days before the latter's death, announcing his approaching end. The Roman Martyrology mentions him as the bishop who was called to the kingdom of heaven by blessed Paulinus. He is commemorated on 22 June as a saint of the West before the Great Schism (a saint of the undivided Church), by the New Calendar.