Marat Safin

Marat Mubinovich Safin (Russian: Мара́т Муби́нович Са́фин, IPA: [mɐˈrat ˈsafʲɪn] ; Tatar: Марат Мөбин улы Сафин, romanized: Marat Möbin ulı Safin; born 27 January 1980) is a Russian former professional tennis player and current coach. He was ranked as the world No. 1 in men's singles by the Association of Tennis Professionals (ATP) for nine weeks. Safin won 15 ATP Tour-level singles titles, including two majors at the 2000 US Open and 2005 Australian Open, and helped lead Russia to Davis Cup titles in 2002 and 2006.

Safin received four ATP Awards: 1998 Newcomer of the Year, 2000 Most Improved Player, and the 2001 and 2002 Fans' Favourite. When he first reached the world No. 1 ranking in November 2000, he became (at the time) the youngest No. 1 in the Open Era. Safin retired from the sport in November 2009. In 2011, he became a member of the State Duma representing the United Russia party. In 2016, he became the first Russian tennis player inducted into the International Tennis Hall of Fame. Safin is the older brother of former women's world No. 1 player Dinara Safina; they are the only brother-sister tandem in tennis history to have both achieved No. 1 singles rankings.

In 2025, Safin began coaching Andrey Rublev.