Athenaeus of Naucratis (Ancient Greek: Ἀθήναιος ὁ Nαυκρατίτης or Nαυκράτιος, Athēnaios Naukratitēs or Naukratios; Latin: Athenaeus Naucratita) was a Greek rhetorician and grammarian, flourishing about the end of the 2nd and beginning of the 3rd century AD.