In Greek mythology, the name Ornytus may refer to:
Ornytus or Ornytion, a son of Sisyphus.
Ornytus or Ornytion, grandson of the above, father of Naubolus.
Ornytus, possible leader of the army that came from Teuthis to join in the campaign against Troy. Alternately, the leader was named Teuthis.
Ornytus, a Bebrycian briefly mentioned in the Argonautica: he helps Amycus to put his gauntlets on for the boxing match with Polydeuces.
Ornytus, a Dolonian killed by Idmon.
Ornytus, a soldier who fought under Aeneas and was killed by Camilla.
Ornytus, a soldier who fought with the Seven against Thebes, and survived the war.
Ornytus, a person who was believed to have led a colony in Caria together with Ioxus, son of Melanippus (the son of Theseus and Perigune).
