Aleksandr Kazantsev
- Birthday: 9/2/1906
- Deathday: 9/13/2002
- Place of birth: Akmolinsk, Kazak ASSR, USSR [now Akmola Province, Kazakhstan]
- Fame for: Writing
- Also known as: Александр Казанцев, Alexander Petrowitsch Kasanzew, Aleksandr Kazancev , Александр Петрович Казанцев
