Ganna Sergiivna Rizatdinova (Ukrainian: Ганна Сергіївна Різатдінова; Russian: Анна Сергеевна Ризатдинова; born 16 July 1993 in Simferopol, Ukraine) is a Ukrainian individual rhythmic gymnast. In the all-around event, she is the 2016 Olympic bronze medalist, a two-time World medalist (silver in 2013, bronze in 2014), and a two-time (2014, 2016) European bronze medalist.
Rizatdinova started to train gymnastics in Simferopol and was coached by her mother Oksana Rizatdinova. She won the silver all-around medal at the 2008 Kiev Junior World Cup behind Russian gymnast Daria Dmitrieva. She was part of the Ukraine team that won bronze at the 2008 European Junior Championships in Torino.
As a senior, Rizatdinova won bronze with Team Ukraine at the 2011 World Championships and 2011 European Championships.
Rizatdinova had a successful World Cup series at the 2012 Deriugina Cup in Kiev. She won the bronze in the all-around and in the hoop final, and silver for the ball and clubs final. She then competed at the 2012 European Championships and finished 8th in the all-around.