The Spanish opera singer Teresa Berganza (born 16 March 1936) is a well-known mezzo-soprano most closely associated with the roles of Rossini, Mozart, and Bizet. She is admired for her technical virtuosity, her musical intelligence, and her beguiling stage presence.

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 Glyndebourne (1958). In 1959, Berganza made her debut at the Royal Opera House, Covent Garden as Rosina in The Barber of Seville, which became one of her signature roles. In 1967, she made her Metropolitan Opera debut as Cherubino in The Marriage of Figaro.

As a recitalist, Berganza made her Carnegie Hall debut in 1964. Her concert repertoire includes Spanish, French, German, and Russian songs. Berganaza is married to the pianist Felix Lavilla, with whom she has recorded and performed regularly.

In 1991, Berganza shared with six other Spanish singers with a Prince of Asturias Award for arts and letters.

In 1992, Berganza participated in the opening ceremonies of Expo '92 in Seville and the opening ceremonies of the 1992 Summer Olympics in Barcelona. In 1994, she became the first woman elected to the Spanish Royal Academy of Arts .