Born in Rouen, Denize studied at the conservatoire à rayonnement régional de Rouen [fr], in Marie-Louise Christol's class^[1][2] and entered the Conservatoire de Paris (rue de Madrid) in Camille Maurane's class at age eighteen. She won a First prize and was hired by the Paris opera. She made her debut as Cassandra in Berlioz's Les Troyens and Marguerite in La Damnation de Faust.

She was also a Wagnerian singer.^[3]

• Mors et vita by Charles Gounod with the orchestre du Capitole de Toulouse directed by Michel Plasson
• Pelléas et Mélisande by Claude Debussy with the Berlin Philharmonic directed by Herbert von Karajan 1978 EMI
• Guercoeur by Alberic Magnard with the orchestre du Capitole de Toulouse directed by Michel Plasson 1987 EMI

• Debussy: Pelléas et Mélisande (Herbert von Karajan recording)

• Personal website
• Nadine Denize at AllMusic
• Nadine Denize on Discogs
• Nadine Denize on France Musique
• Biography of Nadine Denise
• Nadine Denize as Cassandra, in Les Troyens-1978 on YouTube
• Interview with Nadine Denize October, 1982