In Greek mythology, Actaeus, also called Actaeon, was the first king of Attica, according to Pausanias.

Cecrops was a mythical king of Attica which derived from him its name Cecropia, having previously borne the name of Acte or Actice. He was the founder and the first king of Athens itself though preceded in the region by the earth-born king Actaeus of Attica. Cecrops was a culture hero, teaching the Athenians marriage, reading and writing, and ceremonial burial.