The South African soprano Johanni van Oostrum captivates audiences with her exceptional expressive intensity and is a highly sought-after interpreter of roles within her Fach, particularly in the operas of Richard Strauss, Richard Wagner, and Leoš Janáček.

She received widespread acclaim for her portrayal of Elizabeth I in the world premiere of Brett Dean and Heather Betts’ opera Of One Blood at the Bavarian State Opera, a production that was enthusiastically received by both audiences and critics.

In the 2026/27 season, Johanni van Oostrum returns to the Bavarian State Opera as Elizabeth I in Of One Blood. Other highlights include Marietta/Marie in a concert performance of Erich Wolfgang Korngold’s Die tote Stadt at the Concertgebouw Amsterdam under the baton of Oksana Lyniv, the Marschallin in Richard Strauss’ Der Rosenkavalier at the Semperoper Dresden, and the title role in Richard Strauss’ Salome at Teatro Regio di Torino.

She is a regular guest at leading international opera houses and concert venues, including the Bavarian State Opera, Dutch National Opera, Concertgebouw Amsterdam, Semperoper Dresden, Hamburg State Opera, the Bolshoi Theatre in Moscow, the Tokyo Spring Festival, Konzerthaus Wien, Philharmonie de Paris, and the Barbican Centre in London.

Her repertoire includes Elizabeth I in Of One Blood, Ellen Orford in Peter Grimes, Angel in Otto Ketting’s Ithaka, the title role in Antonín Dvořák’s Rusalka, Eva in Die Meistersinger von Nürnberg, Senta in Der fliegende Holländer, Sieglinde in Die Walküre, Agathe in Der Freischütz, Leonore in Fidelio, and Chrysothemis in Elektra. A particularly significant role in her repertoire is the Marschallin in Richard Strauss’ Der Rosenkavalier, which she has performed at Dutch National Opera Amsterdam, the Vienna State Opera, the Royal Swedish Opera in Stockholm, the Deutsches Nationaltheater Weimar, and the Bolshoi Theatre in Moscow. Among her defining Wagner roles is Elsa in Lohengrin, which she has performed at the Bavarian State Opera in Munich, the Semperoper Dresden, Opéra National de Paris, the Bolshoi Theatre in Moscow, the Deutsches Nationaltheater Weimar, Hessisches Staatstheater Wiesbaden, Theater Bonn, and Opéra national du Rhin in Strasbourg.

She has worked with conductors such as Vladimir Jurowski, Oksana Lyniv, Laurence Equilbey, Philippe Jordan, Nathalie Stutzmann, François-Xavier Roth, Thomas Guggeis, Lorenzo Viotti, Alexander Soddy, and Antonello Manacorda, and with directors including Claus Guth, Kirill Serebrennikov, Harry Kupfer, Tobias Kratzer, Phillipp Stölzl, Phillipp M. Krenn, Barbora Horáková, Kornél Mundruczó and François Girard.

In concert, she is regularly heard in Strauss’ Four Last Songs, Zemlinsky’s Lyric Symphony, Mendelssohn’s Elijah, and Brahms’ A German Requiem, as well as in recital with songs by Richard Strauss and South African composers.

A native of South Africa, she is a graduate of the University of Pretoria. She studied voice with Dr. Mimi Coertse and was a member of Black Tie Opera. She won First Prize at the Erna Spoorenberg Dutch Vocal Competition and received the Fleur du Cap Theatre Award for Best Actress in a Leading Role.