Delphine Cousin Questel (* 3. July 1991 as Delphine Cousin in Carnac ) is a French windsurfer . She belongs to the world's top slalom and has been world champion four times in this discipline.
Cousin Questel started windsurfing at an estuary in Morbihan (France) when her brothers were already windsurfing and she wanted to do it too. At first she also trained RS: X , but soon decided on the slalom, as she particularly likes speed and direct duels. In 2009 she took part in a World Cup for the first time. In the 2013 season she became world champion for the first time and was able to defend her title in the coming year. In the years that followed, she was among the best in the world and always ranked in the top 3. In 2018 she was able to become world champion in slalom again. Also in 2019 , she won the title and crowned her season also entitled in the foil standings.