Anastasia Ilyinichna Bliznyuk (; born 28 June 1994) is a Russian group rhythmic gymnast. She is a two-time 2012 and 2016 Olympics Group All-around champion and 2020 Olympics Group All-around silver medalisr, 2017 World Group All-around champion, 2013 World Group All-around bronze medalist, and three-time European (2012, 2016, 2018) Group All-around champion. Bliznyuk is the third group rhythmic gymnast to win two gold medals in the Olympic Games after the late Natalia Lavrova and Yelena Posevina and the only rhythmic gymnast to win three medals in the Olympic Games.