People named Kantor include:
- Isaiah Kantor (or Issai Kantor), mathematician
- Istvan Kantor, Hungarian-born Canadian performance artist
- Jodi Kantor, New York Times journalist
- MacKinlay Kantor, American novelist and screen writer
- Maxim Kantor, Russian painter and writer.
- Mickey Kantor, U.S. ambassador
- Tadeusz Kantor, Polish painter and theatre director
- Viatcheslav Moshe Kantor, prominent public figure, businessman, philanthropist, Russian oligarch