(Δημαράτος), a Corinthian, connected by hospitality with the family of Philip of Macedon. It was through the mediation of Demaratus that Alexander returned home from Illyria, where he had taken up his abode in consequence of the quarrel between himself and his father at the marriage of the latter with Cleopatra, B. C. 337. (Plut. Aiex. 9.)