• Born year: -0448
  • Born in: n.a.

Agathon (/ˈæɡəˌθɒn/; Greek: Ἀγάθων, gen.: Ἀγάθωνος; c. 448 – 400 BC) was an Athenian tragic poet whose works have been lost. He is best known for his appearance in Plato's Symposium, which describes the banquet given to celebrate his obtaining a prize for his first tragedy at the Lenaia in 416. He is also a prominent character in Aristophanes' comedy the Thesmophoriazusae.