Haydée, ou Le secret is an opéra comique by the French composer Daniel Auber, first performed by the Théâtre Royal de l'Opéra-Comique at the Salle Favart in Paris on 28 December 1847. The libretto is by Auber's regular collaborator, Eugène Scribe and is based on a short story by Prosper Mérimée, La Partie de trictrac (1830).
