Jules de Wailly (12 September 1806 – 12 July 1866), full name Augustin Jules de Wailly, was a 19th-century French playwright. He was Gustave and Léon de Wailly's brother.

The son of Étienne-Augustin de Wailly, and grandson of Noël François de Wailly, an official at the Interior Ministry (1840), his plays were presented on the most significant Parisian stages of the 19th century including the Théâtre des Variétés, the Comédie-Française, the Théâtre du Gymnase dramatique, and the Théâtre du Vaudeville.

Works 1839: Le Comité de bienfaisance, comedy in 1 act, with Charles Duveyrier 1841: La Maschera, opéra comique in 2 acts 1843: Un Péché de jeunesse, comedy in 1 act, mingled with song, with Joseph Isidore Samson 1844: Le Mari à la campagne, comedy in 3 acts, with Jean-François-Alfred Bayard 1844: Un Amant malheureux, comédie-vaudeville in 2 acts 1845: Deux compagnons du tour de France, comédie-vaudeville in 2 acts, with Lockroy 1849: Elzéar Chalamel, ou Une assurance sur la vie, comédie-vaudeville in 3 acts, with Gustave de Wailly 1849: Moiroud et compagnie, comédie-vaudeville in 1 act, with Bayard 1850: Les Deux célibats, comedy in 3 acts, with Overnay 1850: Discours prononcé sur la tombe de M. Narjot, maire de Pantin 1850: La Famille du mari, comedy in 3 acts, mingled with songs, with Overnay 1851: Contre fortune bon cœur, comédie-vaudeville in 1 act, with Armand Joseph Overnay 1852: Les Premières armes de Blaveau, comédie-vaudeville in 1 act, with Gustave de Wailly 1854: Un Conte de fées, comédie-vaudeville in 2 acts, with Germain Delavigne 1854: Une Rencontre dans le Danube, opéra comique in 2 acts, with Delavigne, music by Paul Henrion 1873: Œuvres de MM. Alfred, Gustave et Jules de Wailly, Firmin-Didot, (posthumous)

Bibliography Joseph Marie Quérard, La littérature française contemporaine: XIXe siècle, 1857, (p. 592) Haydn's Universal Index of Biography from the Creation to the Present Time, 1870, (p. 562)