Phaon is a boatman from Greek mythology, lover of Sappho.
Phaon may also refer to: Phaon (freedman) (), a confidant of Roman emperor Nero Phaon (fiction), a character in The Faerie Queene Phaon (damselfly), a genus of damselfly Phyciodes phaon, or phaon crescent, a species of butterfly
Phaon, a play by the 4th–5th century poet Plato that survives in fragments
See also Phaonia, very large genus from the fly family Muscidae