Allaire du Pont (May 4, 1913 – January 6, 2006) was an American sportswoman and a member of the prominent French-American Du Pont family of chemical manufacturers who is most remembered as the owner of the Thoroughbred horse racing Hall of Fame champion, Kelso.Born Helena Allaire Crozer, in 1934 she married Richard C. du Pont with whom she had a son, Richard Jr. and a daughter Helena. An avid sports person, she was an Olympic Trap shooter and a champion tennis player.