Hipparchus, the common Latinization of the Greek Hipparkhos, can mean:

• Hipparchus, the ancient Greek astronomer
  • Hipparchic cycle, an astronomical cycle he created
  • Hipparchus (lunar crater), a lunar crater named in his honour
  • Hipparchus (Martian crater), a crater on Mars named in his honour
  • 4000 Hipparchus, an asteroid named in his honour
  • Hipparcos, an astrometry space mission named in his honour
• Hipparchus (cavalry officer), commander of one hipparchia
  • Epihipparch, commander of two hipparchiai
• Hipparchus (brother of Hippias), brother of Athenian tyrant Hippias
• Hipparchus of Euboea, an ancient Euboean tyrant
• Hipparchus (poet), an ancient Greek actor from Corinth
• Tiberius Claudius Hipparchus Marathonios, the richest man in the Roman Empire in the 1st century BC
• Hipparchus (dialogue), a dialogue ascribed to Plato