Sergei Stepanchenko
- Title: Sergei Stepanchenko
- Popularity: 0.975
- Known For: Acting
- Birthday: 1959-06-18
- Place of Birth: Tatarsk, Russian SFSR, USSR [now Russia]
- Homepage:
- Also Known As: Sergey Stepanchenko , Сергей Степанченко, Sergej Stepanchenko, Сергей Юрьевич Степанченко