Samson and Delilah (Fr: "Samson et Dalila") is a three-act French opera. It is based on the story of Samson and Delilah in the Old Testament of the Bible. The words and story of the opera (the "libretto") were written by Ferdinand Lemaire. The music was written by Camille Saint-Saëns. The opera was first performed in Weimar, Germany on 2 December 1877. It was sung in German instead of French.