L'Éclair is an opéra comique in 3 acts by Fromental Halévy to a libretto by Jules-Henri Vernoy de Saint-Georges.

The Salle de la Bourse was a Parisian theatre located on the rue Vivienne in the 2nd arrondissement, across from the Paris Bourse, hence the name. It was successively the home of the Théâtre des Nouve