Nedda Casei (born September 9, 1932) is an operatic mezzo-soprano. Early in her career Nedda Casei was selected by Leopold Stokowski to sing the role of Jocasta, in Igor Stravinsky's Oedipus Rex. She made her operatic debut at the Theatre Royal de la Monnaie, Brussels in 1960 and also debuted at La Scala, Milan in the same year. During her career she appeared at the Teatro San Carlo, Prague Opera, Los Angeles Opera, Chicago Lyric Opera and other major opera houses and concert halls. She starred at the Vancouver Festival as Hansel in Hansel and Gretel, and received ovations for her interpretation of Cherubino in Le Nozze di Figaro and Musetta in Leoncavallo's La Bohème at San Remo and Barcelona's Teatro Gran Liceo, as well as Carmen at the Salzburg Festspeilhaus. She was a leading mezzo-sop