Sacerdos of Lyon was a 6th-century bishop and presbyter born in Lyon. As the son of Archbishop Rusticus, he eventually rose to become the Archbishop of Lyon, a position he held from 544 until his death in 552. Throughout his career, he served as a prominent religious leader, notably participating in the Fifth Council of Orléans in 549. His influence extended into the royal court, where he acted as an adviser to King Childebert.