Kathryn Bertine (born 11 May 1975) is a Saint Kitts and Nevis racing cyclist, author, activist, film-maker and former professional figure skater and professional triathlete. She turned professional in road cycling in 2012 and raced on World Tour teams until 2017. Bertine competed in eight UCI Road World Championships, won three Caribbean Championship titles and six Saint Kitts and Nevis National Championship titles. She is best known for her activism in petitioning the organisers of the Tour de France, the Amaury Sport Organisation to launch a women's Tour de France.