Alcmaeon, Alkmaion, Alcmeon, or Alkmaon may refer to:* Alcmaeon (mythology), one of the Epigoni Alcmaeon (King of Athens), the last king of Athens Alcmaeon, son of Megacles, 6th century BC commander during the Cirrhaean War Alcmaeon of Croton (mid-fifth century B.C.), an Ancient Greek philosopher and medical theorist… (More on Alcmaeon)