Eutropius (Greek: Εὐτρόπιος, translit. Eutrópios, lit. "good manner") is a Greek personal name. It may refer to:

• Eutropius (historian), a fourth century Roman historian, and author of an abridgement of Roman history
• Eutropius (consul 399), a Roman consul, put to death by the emperor Arcadius in AD 399

Church Fathers

• Saint Eutropius of Saintes, a first- or third-century bishop, martyred while attempting to convert the Gauls
• Saint Eutropius the Lector, a fifth-century lector in Constantinople martyred for supporting John Chrysostom
• Saint Eutropius of Orange, fifth-century bishop of Arausio, now Orange in France
• Saint Eutropius of Valencia, a Spanish bishop of the late sixth and early seventh century