Françoise Jacob de Montfleury, stage name Mademoiselle Dennebault (fl. 1661 – 1708), was a French stage actress. She was engaged at the Molière's company in 1661. She became a Sociétaires of the Comédie-Française in 1680. She retired in 1685. She played the tragic heroines Junie (Britannicus, 1669) and Aricie (Phèdre, 1677) by Racine, in the comedies of her brother , as well as breeches roles of La Femme juge and La Fille capitaine.