Ernst Francois van Dyk OIS (born 4 April 1973) is a South African wheelchair racer and handcyclist.

At the 2008 Summer Paralympics in Beijing van Dyk won gold in the handcycling road race as well as bronze in the wheelchair marathon.

In 1992 he enrolled in Stellenbosch University and competed in the Barcelona Paralympics as a swimmer and wheelchair athlete.

On 20 April 2010 the South African government announced that van Dyk will be awarded the Order of Ikhamanga in silver for his achievements in sport.

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