Grant Esterhuizen

 Grant Esterhuizen  (born 28 April 1976) was a South African former rugby union player.

Playing career
Esterhizen matriculated at Afrikaanse Hoër Seunskool and represented at the annual Craven Week tournaments in 1993 and 1994. He made his senior provincial debut for the in 1996.

Esterhuizen made his test match debut for the Springboks as a substitute against at Jade Stadium, Christchurch in 2000 and played in seven test matches during the 2000 rugby season. In 2003, he represented South Africa at sevens.