Beatrix Cenci is an opera in two acts by Alberto Ginastera to a Spanish libretto by the composer and William Shand, based on the historical family of Beatrice Cenci, the Chroniques italiennes by Stendhal, and The Cenci by Percy Shelley. The first performance was on 10 September 1971 by the Opera Society of Washington in Washington, D.C., as part of the opening of the John F. Kennedy Center for the Performing Arts. The stage direction was by Gerald Freedman, with choreography by Joyce Trisler, and the conductor was Julius Rudel. New York City Opera first staged the work on 1 April 1973. The European premiere of Beatrix Cenci took place at the Geneva Opera in September 2000.

Librettist William Shand (Based on the historical family of Beatrice Cenci, the Chroniques italiennes by Stendhal, and The Cenci by Percy Shelley.)
Date of composition 1971
Premiered 1971, September 10th (Opera Society of Washington) in Washington, DC, United States
Type Opera
Catalogue Op. 38
Spoken language Spanish
Instruments Voice (Soprano) - Beatrix Cenci
Voice (Baritone) - Count Francesco Cenci, father to Beatrix
Voice (Mezzo-Soprano) - Lucrecia Cenci, stepmother to Beatrix
Voice (Soprano) - Bernardo Cenci, brother to Beatrix
Voice (Baritone) - Giacomo Cenci, brother to Beatrix
Voice (Tenor) - Orsino, a prelate
Voice (Bass) - Andrea, servant to the Count
Narrator, Recitant, Speaker - Olimpio, an assassin
Narrator, Recitant, Speaker - Marzio, an assassin
Voice (Bass) - A guard
Voice (Tenor) - First guest
Voice (Tenor) - Second guest
Voice (Bass) - Third guest
Autotranslations beta Alberto Ginastera: Beatrix Cenci, Op. 38
Alberto Ginastera: Beatrix Cenci, Op. 38
Alberto Ginastera: Beatrix Cenci, Op. 38