Sergey Dmitrievich Leonov (Russian: Сергей Дмитриевич Леонов; born 9 May 1983) is a Russian politician from the ultranationalist Liberal Democratic Party.

He has represented Roslavl constituency in the State Duma since the 2021 election.

[1] Sanctioned by the United Kingdom in March 2022 for actions by Russia in Ukraine.

[2] On 20 April 2022, during the Russian invasion of Ukraine, he proposed to forcibly take blood from Ukrainian war prisoners.[3][relevant?]

This article about a Russian politician is a stub.