In Greek mythology, Cretheus, or Krêtheus was the king and founder of Iolcus, the son of Aeolus (son of Hellen) and Enarete. His wives were Sidero, Tyro and either Demodice or Biadice. His parents were Aeolus and Enarete. With Tyro, he fathered Aeson, Pheres, and Amythaon.
