Julius of Lyon () was the seventh bishop of Lyon.Bernard Berthod, Jacqueline Boucher, Bruno Galland, Régis Ladous and André Pelletier, Archevêques de Lyon, Lyon, éditions Lyonnaises d'Art et d'Histoire, 2012, p191 He succeeded Verus in the second half of the 3rd century.

We know very little about him and his life, except that it establishes Philetus as second Abbot of the Abbey of Île Barbe.Jean-Marie de la Mure, Histoire ecclésiastique du diocèse de Lyon, Lyon, 1671, p.23 His name is known to us from the various lists of the first bishops of Lyon and chronicles the history of the Church of Lyon. His episcopate is one of the dark periods of the religious history of Lyon after the first well most famous bishops.

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