Sergei (or Sergey) Stepanov may refer to:
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Sergei Aleksandrovich Stepanov (born 1941), Russian mathematician
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Sergei Stepanov (footballer), born 1976
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Sergei Stepanov (politician) from Transnistria
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Sergey Stepanov (musician) (better known as "Epic Sax Guy"), a saxophonist, member of the SunStroke Project
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Sergey Stepanov (wrestler) (born 1999), Russian Greco-Roman wrestler.
{{hndis, Stepanov, Sergei