In Greek mythology, Polybus (Ancient Greek: Πόλυβος) may refer to the following persons:
Polybus, father by Argia of Argus, builder of the ship Argo. Others credited Danaus or Arestor to be this Argonaut's father.
Polybus of Corinth, king of Corinth who was best known for having reared Oedipus.
Polybus of Sicyon, son of Hermes and king of Sicyon.
Polybus of Thebes, king of the Egyptian Thebes.
Polybus (Odyssey), father of Eurymachus, one of the suitors of Penelope.
Polybus (son of Antenor), son of Antenor.
Polybus, a skilled Phaeacian craftsman who made a beautiful ball for Halius and Laodamas to play with.
Polybus, one of the suitors of Penelope who came from Zacynthus along with other 43 wooers. He was killed by Eumaeus, a swineheard and friend of Odysseus.
Polybus, another suitor of Penelope from Zacynthus. He suffered the same fate as his above namesake.