Teresa Berganza (born 16 March 1935) is a Spanish mezzo-soprano. She is most closely associated with the roles of Rossini, Mozart, and Bizet. She is admired for her technical virtuosity, musical intelligence and beguiling stage presence.

María Teresa Berganza was born in Madrid. She studied piano and voice at the Madrid Conservatory, where she was awarded first prize for singing in 1954. She made her concert debut in Madrid in 1955.

Berganza made her operatic debut as Dorabella in Così fan tutte in 1957 at the Aix-en-Provence Festival. That same year, she made her La Scala debut and the following year her debut at Glyndebourne (1958). In 1959, Berganza first appeared at the Royal Opera House, Covent Garden as Rosina in Il barbiere di Siviglia, which became one of her signature roles. In 1967, she made her Metropolitan Opera debut as Cherubino in Le nozze di Figaro.