Margarita Mamun
- Born
- 1 November 1995 (30 years)
- Place of birth
- Moscow, Russia
- Gender
- Female
A retired rhythmic gymnast. 2016 All-Around Olympic Champion for her sport, she is the current record holder under the 20-point judging system with the highest All-around total of 77.150 points. She also appeared in many documentaries about rhythmic gymnastics.
