In Greek mythology, Heleus or Heleius (Ἕλειος), also Helius (Ἕλιος), was the youngest son of Perseus and Andromeda.
Heleus was brother of Perses, Alcaeus, Sthenelus, Electryon, Mestor, Cynurus, Gorgophone and . He accompanied his nephew Amphitryon on the expedition to Taphos, and after the victory shared the sovereignty of their domain with Cephalus.
A town Helos in Laconia was said to have been founded by and named after him.