In Greek mythology, Polydorus (/ˌpɒlɪˈdɔːrəs/; Ancient Greek: Πολύδωρος, i.e. "many-gift[ed]") or Polydoros referred to several different people.

• Polydorus, son of Phineus and Cleopatra, and brother of Polydector (Polydectus).^[1] These two sons by his first wife were blinded by Phineus because of the instigation of their stepmother, Idaea, who accused them of corrupting her virtue.
• Prince Polydorus, son of the King Cadmus and goddess Harmonia, fathered Labdacus by his wife Nycteis.^[2]
• Polydorus, an Argive, son of Hippomedon and Euanippe, daughter of Elatus.^[3] Pausanias lists him as one of the Epigoni, who attacked Thebes in retaliation for the deaths of their fathers, the Seven against Thebes, who died attempting the same thing.^[4]
• Prince Polydorus, a Trojan, was King Priam's youngest son.^[5]
• Polydorus, a Ceteian warrior who participated in the Trojan War. During the siege of Troy, he was killed by Odysseus using his sword along with Aenus, another Ceteian.^[6] (Ceteius is called a stream in Asia Minor).
• Polydorus (son of Astyanax)^[7]
• Polydorus, one of the suitors of Penelope who came from Zacynthus along with other 43 wooers.^[8] He, with the other suitors, was shot dead by Odysseus with the assistance of Eumaeus, Philoetius, and Telemachus.^[9]

In history, Polydorus was:

• Polydorus of Sparta (reigned from c. 741 to c. 665 BC)
• Polydorus, tyrant of Pherae, ruled briefly in 370 BC

In art, Polydorus was:

• One of the three Rhodian sculptors who created the sculpture Laocoön and His Sons and signed the Sperlonga sculptures