Anna Olegivna Muzychuk (Ukrainian: Анна Оле́гівна Музичук; Slovenian: Ana Muzičuk) (born 28 February 1990 in Lviv, Soviet Union) is a chess player with a FIDErating of 2528 (March 2011). She earned the title of Woman Grandmaster in 2004 and the title of International Master in 2007. In 2004 she became a member of the Slovenian chess federation, where she is the strongest female chess player. She is the eighth strongest female player in the world as of January 2011. Her younger sister Mariya is an International master.