Rebeka "Rebii" Simon (born 6 July 1996) is a British-Hungarian canoe sprinter who competed in the 2016 Summer Olympics.
Simon was born in Budapest, Hungary and moved to Walton-on-Thames, England at an early age.
In 2014, Simon won silver in the K-1 500 m sprint at the Junior World Championships in Szeged, Hungary.
Shortly after, she was selected to represent Team GB at the Senior World Championships in Moscow, Russia in the K-1 1000 m sprint.
In September 2014, Simon was named on the shortlist for the BBC Young Sports Personality of the Year.