| Birth Date: | 21 April 1954 |
| Term Start1: | 2007 |
| Term End1: | 2017 |
Jean-René Marsac (born 21 April 1954 in Béganne) was a member of the National Assembly of France. He represented Ille-et-Vilaine's 4th constituency from 2007 to 2017,[1] as a member of the Socialiste, radical, citoyen et divers gauche.