Dreimal sieben Gedichte aus Albert Girauds "Pierrot lunaire" ("Three times Seven Poems from Albert Giraud's 'Pierrot lunaire'"), commonly known simply as Pierrot Lunaire, Op. 21 ("Moonstruck Pierrot" or "Pierrot in the Moonlight"), is a melodrama by Arnold Schoenberg. It is a setting of 21 selected poems from Otto Erich Hartleben's German translation of the Belgian poet Albert Giraud's cycle of French poems of the same name. The première of the work, which is between 35 and 40 minutes in length, was at the Berlin Choralion-Saal on October 16, 1912, with Albertine Zehme as the vocalist.

Librettist Albert Giraud and Otto Erich Hartleben
Date of composition 1912
Premiered 1912, October 16th in Berlin, Germany
First published 1914 by Universal Edition
Dedicated to "To the first interpreter Albertine Zehme in warm friendship"
Type Melodrama
Tonality Atonal
Catalogue Op. 21
Approx. duration 34 minutes
Spoken language German
Instruments Voice
Flute
Clarinet
Violin
Cello
Piano
Autotranslations beta Arnold Schönberg: Pierrot Lunaire, Op. 21
Arnold Schönberg: Pierrot Lunaire, Op. 21
Arnold Schönberg: Pierrot Lunaire, Op. 21