Clearchus

The name Clearchus or Clearch may refer to:
 * Clearchus of Athens, Greek comic poet of unknown date
 * Clearchus of Heraclea (c. 401 BCE – 353 BCE), Greek tyrant of Heraclea Pontica
 * Clearchus of Rhegium, Greek sculptor, pupil of Eucheirus, teacher of Pythagoras the sculptor
 * Clearchus of Soli (4th–3rd century BCE), Greek author and philosopher, pupil of Aristotle
 * Clearchus of Sparta (c. 450 BCE – 401 BCE), Greek general, son of Rhampias
 * Clearchus (consul 384), Roman consul in 384 CE