Mary Pierce, Canadian-American tennis player and coach
Mary Caroline Pierce (born 15 January 1975) is a retired tennis professional who represented France internationally in team competitions and the Olympics. She was born in Canada to an American father and a French mother, and holds citizenship of all three countries.

Pierce won four Grand Slam titles: two in singles, one in doubles and one in mixed doubles. She reached six Grand Slam singles finals, most recently at the US Open and French Open in 2005. Her Grand Slam singles titles came at the 1995 Australian Open and the 2000 French Open; Pierce is the last French player, male or female, to win the latter title. She won the doubles event at the 2000 French Open with Martina Hingis as her partner, and reached an additional Grand Slam women's doubles final at the 2000 Australian Open, also partnering Hingis. She also won the mixed doubles event at the 2005 Wimbledon Championships, partnered with Mahesh Bhupathi. Pierce won 18 singles titles and 10 doubles titles on the WTA Tour, including five Tier I singles events. She also twice reached the final of the season-ending WTA Tour Championships. She was inducted into the International Tennis Hall of Fame in 2019.