Louis-François Archambault (30 March 1742, Paris - 5 January 1812, Paris), stage name Dorvigny, was a French novelist, actor and playwright, and the inventor of janotism. Said to be an illegitimate son of Louis XV of France, he began his acting career under Nicolet and put on plays at the Théâtre des Variétés-Amusantes, the Ambigu-Comique, Les Grands-Danseurs du Roi, the Théâtre des Délassements-Comiques and the Théâtre des Associés.