​ARISTONICUS, of Alexandria, Greek grammarian, lived during the reigns of Augustus and Tiberius. He taught at Rome and wrote commentaries and grammatical treatises. His chief work was Περὶ Σημείων Όμήρου, in which he gave an account of the “critical marks” inserted by Aristarchus in the margin of his recension of the text of the Iliad and Odyssey. Important fragments are preserved in the scholia of the Venetian Codex A of the Iliad.