In Greek mythology, Polybus (Ancient Greek: Πόλυβος) or Polybius[1] was the son of Antenor[2][3] and Theano.[4] He was the brother of Crino,[5] Acamas,[6][7] Agenor,[3][8] Antheus,[9] Archelochus,[10][11] Coön,[12] Demoleon,[13] Eurymachus,[14] Glaucus,[15] Helicaon,[16] Iphidamas,[17] Laodamas,[18][19] Laodocus,[20] Medon[21] and Thersilochus.[21]
Polybus was ultimately killed in the Trojan War by Neoptolemus.[22]