Shellene Williams (born 19 February 1981 in Old Harbour, Jamaica) is a retired female track and field sprinter from Jamaica. She specialized in the 200 metres and the 400 metres. Her personal best time in the women's 200 metres was 23.50 seconds, achieved in May 2004, and her 400 m best was 51.94 seconds, set in June 2004. Williams won a bronze medal in the women's 4×100 metres relay at the 2003 Pan American Games, alongside Lacena Golding-Clarke, Judyth Kitson, and Danielle Browning.