Sophie de Ronchi (born 24 September 1985 in Marseille, France) is an Olympic and National-Record holding breaststroke and medley swimmer from France. She swam for France at the 2008 Olympics. At the 2009 French Championships in April, she bettered the French Records in the 50 m and 200 m breaststroke to 30.96 and 2:25.19.