Melanius

Melanius may refer to:


 * Saint Mellonius, 4th century bishop of Rotomagus
 * Saint Melaine, 6th century bishop of Rennes
 * Saint Melanius I of Viviers, 5th century bishop of the Roman Catholic Diocese of Viviers
 * Saint Melanius II of Viviers, 6th century bishop of the Roman Catholic Diocese of Viviers