Eugenius (disambiguation)

Eugenius may refer to:

• Eugenius, Roman emperor.
• Eugenius, a Roman usurper during the rule of Diocletian.
• Eugenius, a Coptic saint - see Eugenius, Eugander, and Abilandius.
• Eugenius, a character in Laurence Sterne's novel The Life and Opinions of Tristram Shandy, Gentleman
• Eugenius of Palermo, Sicilian admiral.
• Eugenius of Carthage, a canonised bishop of Carthage.
• Eugenius I of Byzantium, Bishop of Byzantium from 237 to 242.
• Eugenius I of Toledo (died 647), Archbishop of Toledo from 636 to 647
• Eugenius II of Toledo (died 657), Archbishop of Toledo from 647–657
• Owen I of Strathclyde (10th century)
• Owen II the Bald
• Patriarch Eugenius II of Constantinople, Patriarch of Constantinople from 1821 to 1822

Four popes have been named Eugenius:

• Pope Eugenius I (654-657)
• Pope Eugenius II (824-827)
• Pope Eugenius III (1145–1153)
• Pope Eugenius IV (1431–1447).
• Eugenius, a Scottish rock band.
• Various individuals named Eugene, a later French and English derivation of the name.
• Eugenius is a Latin translation of the Old Irish Eochaid, used by mediaeval chroniclers for many Irish and Scottish Kings.