Alcetas I () (390/385 – 370 BC) was a king of Epirus, the son of Tharrhypas. Biography Alcetas was expelled from his kingdom for unknown reasons, and took refuge with Dionysius I of Syracuse, by whom he was reinstated. After Alcetas' restoration, he allied with the Athenians, and with Jason of Pherae, the Tagus of Thessaly. In 373 he appeared at Athens with Jason, for the purpose of defending the Athenian general Timotheus, who, through their influence, was acquitted. Upon Alcetas' death, the kingdom was divided between his two sons, Neoptolemus I and Arybbas. References Pausanias (i. 11. § 3). Demosthenes against Timotheus (pp. 1187, 1190). Diodorus (xv. 13. 36.). Sources Rulers of Ancient Epirus 4th-century BC Greek people 4th-century BC rulers