Dawn Williams

Dawn Williams-Sewer (born 23 December 1973 in Portsmouth, Dominica) she is a retired athlete who competed for Dominica.

She competed at the 1996 Summer Olympic Games in the women's 800 metres, in the first round she finished 3rd and qualified for the semi-final, where she finished 5th and just missed out to a place in the final. Her result was overall in 10th place. This is as of 2016 the best performance by a Dominican athlete at the Olympics.

Competing for the Little Rock Trojans track and field team, Williams-Sewer won the 1997 800 meters at the NCAA Division I Indoor Track and Field Championships.