Serhiy Borysovych Lezhentsev (); Sergey Lezhentsev (; born 4 August 1971) is a Ukrainian football coach and a former player.
On 6 October 2020, he was banned from football activity for one year by the Russian Football Union for fielding two unregistered players under false names in a game between the club he was managing, Tuapse and SKA Rostov-on-Don on 21 September 2020.
In 2014, after the annexation of the Crimea to Russia, he acquired Russian citizenship as Sergey Lezhentsev. In 2018, he joined the Putin Team public movement.