马拉特·米哈伊洛维奇·萨芬（俄语：Марат Михайлович Сафин，鞑靼语：Marat Mixail ulı Safin，1980年1月27日－），生于苏联时期莫斯科，俗称“网球场上的俄罗斯沙皇”、“河马”，是已退役的俄罗斯男子职业网球运动员，网球史上的男子GOTA之一，单打最高世界排名第1，两座大满贯得主，而且他在球场上以激**烧的个性风格和火爆脾气闻名，曾创下一年内摔坏87支球拍的金酸梅纪录。

他的亲生妹妹萨芬娜是俄罗斯女子职业网球运动员，他们是网球史上首对都曾排名高居世界第一的兄妹组合。

Marat Mubinovich Safin (Russian:Мара́т Муби́нович Са́фин;IPA: [mɐˈrat mʊˈbʲinəvʲɪtɕ ˈsafʲɪn], Tatar:Марат Мөбин улы Сафин Marat Möbin uğlı Safin; 27 January 1980) is a Russian retired tennis player and politician. Safin won two Grand Slam tournaments and reached the world no. 1 ranking during his career. He was also famous for his emotional outbursts and sometimes fiery temper on court. Safin is the older brother of former world No. 1 WTA player, Dinara Safina. They are the first and only brother–sister tandem in tennis history who have both achieved no. 1 rankings.