Louis Jacobus van Zyl, better known as L. J. van Zyl, is a South African athlete competing in the 400 metre hurdles. He is the South African record holder in the event with a personal best of 47.66 seconds. He is a three-time African Champion in the event and competed for his country at the 2008 Summer Olympics. He was the 2002 World Junior Champion over 400 m hurdles and reached the World Championships final at the age of twenty in 2005. His breakthrough into the senior ranks came in 2006 when he won gold medals at the Commonwealth Games and African Championships, as well as silver medals at the IAAF World Cup and IAAF World Athletics Final. He became the All-Africa Games champion in 2007. He came fifth in the 2008 Olympic final. He married South African long-distance runner Irvette van Blerk in 2012. 

July 20th, 1985 in Bloemfontein (Age 39)