Marie-France Dufour or Marie (8 August 1949 in Nancy – 18 October 1990) was a French singer. She made her hit "Soleil" in 1971, but she is probably best known for representing Monaco in the Eurovision Song Contest 1973 in Luxembourg by song "Un train qui part". She was also featured in Les Misérables as Éponine. She died of leukemia at the age of 41 in 1990.