Chantal Juillet, OC CQ (born December 19, 1960 in Montreal, Quebec) is a Canadian violinist. Born in Montreal, Quebec, Canada, Juillet won all the major Canadian music competitions in her category by the age of 16 and was launched into international renown when she received First Prize at the Young Concert Artists International Auditions in New York City. In 1979 she was awarded the Prix d'Europe. For many years, Juillet has been a regular collaborator with and musical assistant to conductor Charles Dutoit, whom she married in February 2010.