In Greek mythology, Diocles (Ancient Greek: Διοκλῆς Dioklēs) may refer to: * Diocles of Pherae, son of Orsilochus and possibly the brother of Medusa, wife of Polybus of Corinth and , wife of Icarius of Sparta. He was the father of the twins Orsilochus and Crethon, and also of , the mother of and by Machaon. In the Odyssey, Telemachus and Peisistratus spent a night at his house on their way to Sparta, as well as on their way back. * Diocles or , king and one of the first priests of Demeter, and one of the first to learn the secrets of the Eleusinian Mysteries, along with Triptolemus and Polyxenus. * Diocles of Megara, to where he fled from Athens. He was known for his love of boys, and was killed in a battle as he was covering his loved one with his own shield. The people of Megara bur