Maryvonne Le Dizès, also known as Maryvonne Le Dizès-Richard, was a French violinist and academic teacher. She is best known for her work on contemporary classical music, as violinist of the Ensemble intercontemporain in Paris from 1979 for over twenty years. Le Dizès collaborated with composers such as Pierre Boulez and György Ligeti, and commissioned new chamber music works. She taught at the Regional Conservatory of Boulogne-Billancourt in Paris from 1977.