Clitarchus may refer to:
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Cleitarchus, a Greek historian active in the late 4th century BCE
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Cleitarchus of Eretria
Cleitarchus or Clitarchus ( el, Kλειταρχος; lived 4th century BC) was tyrant of Eretria in Euboea.
After Plutarch had been expelled from the tyranny of Eretria by Phocion in 350 BC, popular government was initially established. However, ...
, a Greek tyrant who lived in the 4th century BCE
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''Clitarchus'' (phasmid), a genus of insects in the family Phasmatidae
{{Disambiguation