Catherine Ringer (born 18 October 1957) is a French singer, songwriter, composer, multi-instrumentalist, dancer, choreographer, actress, former pornographic performer, and co-founder of the pop rock group Les Rita Mitsouko. She is the daughter of French artist Sam Ringer. She is also the lead vocalist for Plaza Francia Orchestra where she performs with Eduardo Makaroff and Christoph H. Müller, formerly of Gotan Project.