Maryvonne Blondin (born 20 January 1947) is a member of the Senate of France, representing the Finistère department. She is a member of the Socialist Party. Blondin became Deputy mayor of Ergué-Gabéric in 1989. In 2001, she was elected General councillor of Finistère (Brittany) and will become as a consequence one of the vice-presidents of the Counsel General. She was elected Senator on 22 September 2008.