Marielle Gallo (born 19 May 1949 in Lons-le-Saunier, Jura) is a French politician and Member of the European Parliament elected in the 2009 European election for the Île-de-France constituency.
She is the wife of famous French historian and member of the French Academy, Max Gallo.
She ran in a Parisian constituency in the 1993 election under the colours of the Citizens' Movement.
In 2007, she joined the Modern Left, allied to President Nicolas Sarkozy.