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Hipparchus (cavalry officer) - an ancient Greek cavalry officer, commanding a hipparchia (unit of of about 500 horsemen); two such units can be commanded by an Epihipparchos

An ancient astronomer; see Hipparchus (astronomer);

A lunar crater named in his honour; see Hipparchus (lunar crater);

An asteroid named in his honour; see 4000 Hipparchus;

An astrometry space mission named in his honour; see Hipparcos;

An ancient Athenian tyrant; see Hipparchus (son of Pisistratus);

An ancient Euboean tyrant; see Hipparchus of Euboea

A dialogue ascribed to Plato; see Hipparchus (dialogue).