Sergey Lebedev

Sergey Lebedev, Sergei Lebedev, Sergej Lebedev, Sergei Lebedew, or may refer to:

• Sergey Lebedev (chess player) (1868–1942), Russian chess player
• Sergey Lebedev (chemist) (1874–1934), Russian chemist
• Sergey Lebedev (scientist) (1902–1974), Russian electrical engineer and computer scientist
• Sergey Lebedev (politician) (born 1948), Uzbekistan-born Russian politician
• Sergey Lebedev (footballer) (born 1969), Uzbekistan-born Soviet association football midfielder
• Sergei Lebedev (writer) (born 1981), nominated for the 2021 Jan Michalski Prize