Mimi-Isabella Cesar (born 28 January 1995) is a British individual rhythmic gymnast who has represented England and Great Britain at international competitions.

Cesar made her international debut for Great Britain at the 2011 World Rhythmic Gymnastics Championships in Montpellier, France finishing 112th in the individual all-around competition.

[2] She suffered an ankle injury in 2013[3] but recovered in time for 2014 Commonwealth Games in Glasgow in July where alongside Stephani Sherlock and Lynne Hutchison finished fourth the team all-around event.

Cesar placed 28th at the FIG Berlin Masters World Challenge Cup event in July 2017[2] before the contesting her second Commonwealth Games in 2018, failing again to reach the medal podium.

[5] Cesar attended Bishop Walsh Catholic School in Sutton Coldfield[3] and in 2017, graduated from the University of Wolverhampton with a Bachelor in Sports Studies.