La Femme de trente ans (English: A Woman of Thirty) is a novel by Honoré de Balzac written between 1829 and 1842. Part of it was published in 1830 in the French magazine La Silhouette, and the completed novel was published in 1842.
It is included in the Scènes de la vie privée in Études de mœurs of La Comédie humaine.