Saint Nicetius (Nicetus, Nicet or Nizier) (513 – April 2, 573) was Archbishop of Lyon, then Lugdunum, France, during the 6th century. He served from 552 or 553. He was ordained as a priest by Agricola, Bishop of Châlons-sur-Marne. He was the nephew of Saint Sacerdos, bishop of Lyon, and his successor. He revived ecclesiastical chant in his diocese.