Falstaff (Italian pronunciation: [ˈfalstaf]) is an opera in three acts by the Italian composer Giuseppe Verdi (1813–1901). The libretto was adapted by Arrigo Boito from Shakespeare's The Merry Wives of Windsor and scenes from Henry IV, parts 1 and 2. The work premiered on 9 February 1893 at La Scala, Milan.

Librettist Arrigo Boito (Based on "The Merry Wives of Windsor" and scenes from "Henry IV" by William Shakespeare)
Date of composition 1893 (1890-1893)
Premiered 1893, February 9th in Milan, Metropolitan City of Milan, Italy
Type Opera
Approx. duration 140 minutes
Spoken language Italian
Instruments Voice (Baritone) - Sir John Falstaff (a fat knight)
Voice (Baritone) - Ford, marito d'Alice (a wealthy man)
Voice (Tenor) - Fenton (one of Nannetta's suitors)
Voice (Tenor) - Dott. Cajus (Dr Caius)
Voice (Tenor) - Bardolfo, seguace di Falstaff (a follower of Falstaff)
Voice (Bass) - Pistola, seguace di Falstaff (a follower of Falstaff)
Voice (Soprano) - Mrs Alice Ford (Ford's wife)
Voice (Soprano) - Nannetta, figlia d'Alice e di Ford (Ford's daughter)
Voice (Contralto) - Mrs Quickly
Voice (Mezzo-Soprano) - Mrs Meg Page
Silent Role - L'oste della Giarrettiera (Mine Host of the Garter Inn)
Silent Role - Robin, paggio di Falstaff (Falstaff's page)
Chorus/Choir - Chorus of townspeople, Ford's servants, and masqueraders dressed as fairies
Orchestra
Autotranslations beta Giuseppe Verdi: Falstaff
Giuseppe Verdi: Falstaff
Giuseppe Verdi: Falstaff