Aristonicus may refer to: Aristonicus of Pergamon, who as king became Eumenes III (died 129 BC), and promised freedom to the slaves Aristonicus of Alexandria, grammarian and Homeric scholar Aristonicus of Carystus, ball-player in Alexander's entourage granted Athenian citizenship Aristonicus of Methymnae, 4th-century Lesbian tyrant Aristonicus (eunuch), who was brought up with Ptolemy Epiphanes Aristonicus of Tarentum, author of a work on mythology it:Aristonico