Athenaeus, son of Athenaeus was an ancient Greek composer.
Athenaeus (Greek Ἀθήναιος) was an Athenian musician who flourished around 138–28 BC, when he composed the First Delphic Hymn. Although it was long thought that the composer of the First Hymn was merely "an Athenian", careful reading of the inscription shows that it cannot be the ethnic "Athenaîos" (from Athens), but rather names "Athénaios Athenaíou" (Athenios son of Athenios) as the composer (Bélis 1992, 48–49 and 53–54).