Sonia Denoncourt (born June 25, 1964) is a retired soccer referee from Canada.
Denoncourt was born in Sherbrooke, Quebec, Canada and attended Mitchell & Montcalm High School.
Women's football was made its debut at the Summer Olympics in 1996 and Denoncourt was selected as one of four female referees that would officiate in the tournament and she refereed the first ever women's football match in the Olympics when she took charge of a match between Germany and Japan.
[3] In February 1997, Denoncourt became the first female to referee a professional men's match in Brazil, when she officiated the opening Campeonato Paulista fixture between São José Esporte Clube and defending champions Sociedade Esportiva Palmeiras.
[4] Her performance was criticized by the away team's players, coach and supporters after she sent off Cafu and disallowed a goal by Djalminha.