Mari Rabie (born 10 September 1986) is a South African triathlete who competed in the 2008 & 2016 Summer Olympics and the 2006 Commonwealth Games. Rabie was elected as a Rhodes Scholar for 2010. She graduated with a Masters in Applied Statistics from St Catherine's College Oxford in 2011 and an MBA at Oxford University in 2013 at Exeter College. She has completed her degree in Actuarial Science at the University of Stellenbosch in 2009 and attended Bloemhof Girls' High School in Stellenbosch. Rabie retired from professional sport in October 2016.