Shannon Smith (born September 28, 1961) is a former competition swimmer who represented Canada as a 14-year-old at the 1976 Summer Olympics in Montreal, Quebec. She won a bronze medal for her third-place performance in the women's 400-metre freestyle with a time 4:14.60, coming behind East German Petra Thumer (4:09.89) and American Shirley Babashoff (4:10.46). Smith also competed in the Women's 800-metre freestyle, finishing sixth in the event final and clocking a time of 8:48.15.