Knut Nystedt (3 September 1915 – 8 December 2014) was a Norwegian orchestral and choral composer. He was also a musician and played the Organ. Nystedt was born in Oslo, Norway. Nystedt founded and conducted Det Norske Solistkor from 1950 to 1990. He also founded and conducted Schola Cantorum from 1964 to 1985.