Arion is a Greek name of uncertain meaning, sometimes linked to the Greek word for "brave" or "excellent". In Greek legend it belonged to a poet and singer from Lesbos who was rescued from the sea by a dolphin, and also to an immortal horse. In the United States Arion ranked number 2140 in 2000, peaked at number 1702 in 2014 and stands at number 2092 among boys' names in 2025.