Mikhail Sergeyi Markosov (Russian: Михаил Серге́евич Маркосов; born 29 June 1985) is an Armenian-Russian former football player who played as a striker.

Markosov has played for several Russian clubs in the Russian Second Division and Russian First Division. His professional career began in 2004 in FC Zhemchuzhina Budyonnovsk. He then moved to FC Kavkaztransgaz Ryzdvyany. In 2007, he made his debut in the Russian First Division in FC SKA Rostov-on-Don. Markosov began the 2008 season in FC Dynamo Stavropol. He was the top goalscorer in the 2008 Russian Second Division South Zone, scoring 27 goals, a feat no one in the entire Second Division surpassed. In the 2010 season, he played for FC Rotor Volgograd and came back to FC Dynamo Stavropol the next season. Scoring 10 goals in his first 10 matches for Dynamo, Markosov was transferred in the summer transfer window of the 2011-12 season to FC Ufa.^[1] From April^[2] until June 2019 Markosov played for FC Kuban Krasnodar, scored 7 goals in 11 matches.^[3]

Markosov was called up to the Armenia national football team for a friendly match against Luxembourg on 5 February 2013 in Valence, France.^[4][5] However, he did not make an appearance for the team.

Mikhail is married to his wife Nastya.^[6]