Aliya Fargatovna Mustafina (; born 30 September 1994) is a Russian gymnast. She won four medals at the 2012 Summer Olympics and three medals at the 2016 Summer Olympics. Mustafina was the most successful athlete that was not a swimmer at the 2012 Summer Olympics. Mustafina has won 11 medals at the World Championships. She was the 2010 World Champion in the all-around and in the team competition. She was the 2013 World Champion on the balance beam.