Noëmi Nadelmann (born 6 March 1962) is a Swiss soprano with a wide repertoire, ranging from Baroque opera to contemporary works.
Nadelmann was born in Zürich; her mother, Rachel, was an actress, her father, Leo (1913–1998), a pianist and composer. Nadelmann started her singing studies at the Zürich Conservatory, then continued at Indiana University Bloomington. She debuted in 1987 as Musetta in La bohème at La Scala in Venice.
Engagements at the Vienna Volksoper and various Swiss cities followed. From 1990 until 1994 she was a member of the Staatstheater am Gärtnerplatz in Munich. Subsequent freelance appearances include the Komische Oper Berlin, Zürich Opera House, Bern Theatre, Opéra Bastille in Paris, Hamburg State Opera, Prinzregententheater in Munich, Deutsche Oper Berlin, the Metropolitan Opera in New York, Lyric Opera of Chicago, Cologne Opera, Berlin State Opera, De Nederlandse Opera, and the Bolshoi Theatre.
In Andrzej Żuławskis 1991 film La Note bleue Nadelmann plays the role of the opera singer Pauline Viardot. She sang Violetta in Götz Friedrich's televised production of La traviata.