Viventiolus was a 5th-century monk and the Archbishop of Lyon who served from 514 to 523. Born into a noble family in Lyon, he was the son of Aquilinus and the great-grandson of Saint Eucherius. Before his elevation to the episcopate, he served as the prior of the monastery of St. Oyend in Jura. He is recognized as a saint in the Catholic Church and is also honored within various Orthodox traditions.