Isabelle Nanty (born 21 January 1962 in Verdun, Meuse) is a French actress and film director.
She played the part of Georgette in the 2000 French film Amélie and Isabelle in La Belle Histoire (1992).
She played the lead in the popular French comedy Les Tuche, directed by Olivier Baroux, as the mother of a family winning the Euro lottery and moving from poverty in the French countryside to a wealthy life in Monaco.