Achaeus of Syracuse (Ancient Greek: Ἀχαιός ὁ Συρακούσιος; lived 4th century BC) was an ancient Greek tragedian native of Syracuse, Magna Graecia. The Suda ascribes to him 10 plays, while the Pseudo-Eudocia 14. He may be the "Achaios" who won a victory at Athens' Lenaia festival in 356 BC.

References

• "Achaios (1)" from the Suda
• Smith, William; Dictionary of Greek and Roman Biography and Mythology, "Achaeus (3)", Boston, (1867)
•  This article incorporates text from a publication now in the public domain: Smith, William, ed. (1870). "Achaeus (3)". Dictionary of Greek and Roman Biography and Mythology.