Orestes was the son of Agamemnon in Greek mythology; Orestes may also refer to:Drama Orestes (play), an Athenian tragedy from 408 BCE by Euripides. Horestes - a late Tudor morality play by the English dramatist John Pickering that dramatises the story of the myth of Orestes. Music Orestes, a song from the album Mer De Noms, by A Perfect Circle. People Orestes (name), originating in Ancient Greece. Orestes (prefect), a 5th-century official of Alexandria. Orestes Brownson, 19th-century Americ… (More on Orestes)