Gerlize de Klerk (born 23 March 1989) is a retired South African javelin thrower.
She won the gold medal at the 2007 African Junior Championships, the silver medal at the 2011 All-Africa Games and the bronze medal at the 2012 African Championships.[1] She also competed at the 2005 World Youth Championships without reaching the final.[2]
Her personal best throw is 56.04 metres, achieved in March 2011 in Germiston.[1]