Mikhail Mikhailovich Youzhny (Михаил Михайлович Южный ( listen); born 25 June 1982, in Moscow, USSR (now Russia), is a professional Russian tennis player, noted for his consistency and all-court play style. He has been coached by Boris Sobkin for 17 years.
The highest singles world ranking of his career was number eight, achieved 28 January 2008 and again on 18 October 2010.
Mikhail began playing tennis at six with his older brother, Andrei, a pro futures player in 1998–2000. At 13, he was a ballboy for the Russia – U.S. Davis Cup matches.