Lize-Mari Retief (born 30 November 1986 in Bloemfontein, South Africa) is an Olympic and national-record-holding swimmer from South Africa. She swam for South Africa at the 2008 Olympics. At the 2008 South African Nationals in April, she set 3 South African Records: 50 free, 50 fly and 100 fly. She has swum for South Africa at the: * Olympics: 2008 * Commonwealth Games: 2006 * All-Africa Games: 2003 At the 2003 All-Africa Games, she won the most individual medals of any female swimmer: 5 golds and 1 silver.