Lulu is an opera in three acts by Alban Berg. Berg adapted the libretto from Frank Wedekind's two Lulu plays, Erdgeist and Die Büchse der Pandora.

Alban Maria Johannes Berg was an Austrian composer of the Second Viennese School. His compositional style combined Romantic lyricism with the twelve-tone technique. Although he left a relatively small oeuvre, he is remembered as one of the most important composers of the 20th century for his expressive style encompassing "entire worlds of emotion and structure".