Canadian soprano Ariane Cossette is a recent graduate of the prestigious Canadian Opera Company Ensemble Studio and a 2025-2026 Jeunes Ambassadeurs Lyriques laureate. She holds a bachelor's degree from the Conservatoire de musique de Montréal, as well as a master's degree and a graduate diploma from the Université de Montréal, and is praised for her powerful voice and dramatic interpretations. She has received support from renowned foundations such as the Canada Council for the Arts, the Jeunesses Musicales Canada AIDA Fund, the Art Song Foundation of Canada, the Opéra Bouffe du Québec, and the Fondation Jacqueline Desmarais, and is a recipient of the 2024 Bourse Francis Poulenc des Jeunes Ambassadeurs Lyriques. In 2023, she won second prize at the Louis and Christina Quilico Awards and first prize at the National Capital Opera Competition in Ottawa. She has performed across Canada, the United States, Germany, United Kingdom, Italy and France.

 

In November 2024, she made a widely praised debut as Marguerite in a new production of Faust with the Canadian Opera Company. Her other operatic roles include Norina in Don Pasquale (COC), Pepik and the Woodpecker in The Cunning Little Vixen (COC), Frasquita in Carmen (COC), and Micaëla in La tragédie de Carmen (Université de Montréal).

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An alumna of the Internationale Meistersinger Akademie in Germany 2024 and the Merola Opera Program in San Francisco 2025, Ariane was a semifinalist at the 2025 Concours musical international de Montréal, where she won the Prix André Bourbeau for best Canadian artist and the Prix de l'Observatoire québécois d'art lyrique. In 2026, she was a finalist at the Elizabeth Connell Competition in the United Kingdom and a prize-winner at the Concorso per cantanti lirici Città di Alcamo in Italy. In 2026, Ariane joined the cast of 10 Days in a Madhouse, co-presented by Tapestry Opera and the Canadian Opera Company, and made her Mimì debut  in La Bohème with Brott Opera.