Ingrid Kristine Bjoner Pierpoint (8 November 1927 – 4 September 2006) was a Norwegian soprano who had an international opera career between 1956 and 1990.

Bjoner was educated as a pharmacist at the University of Oslo during which time she also studied voice with Gudrun Boellemose.

She drew considerable public notice after an extraordinary performance at Oslo Cathedral which reoriented her path towards a professional musical career.

She travelled to Germany for further voice lessons with Paul Lohmann at the Musikhochschule Frankfurt and Franziska Martienssen-Lohmann in Düsseldorf.

Her other roles at the Met during this time included Ariadne, Countess Almaviva in Le nozze di Figaro, Donna Anna, the Empress, Eva in Die Meistersinger von Nürnberg, and Gutrune.

While in New York, she sang the role of The Duchess of Parma for the American premiere of Ferruccio Busoni's Doktor Faust presented in a concert setting at Carnegie Hall on 1 December 1964.

[5] In 1965, Bjoner made her debut at La Scala as Elsa and in 1967 she returned to Covent Garden to appear in three operas: Leonore in Fidelio, Senta in The Flying Dutchman, and Sieglinde in Die Walküre.

In 1972, she made her debut at the Palais Garnier singing Isolde and the title role in Giacomo Puccini's Tosca.

In 1987, she recorded Elektra for the Italian radio RAI and in 1988 returned to the Bavarian State Opera to sing Färberin in Die Frau ohne Schatten.