Sigurd Frisvold (5 July 1947 – 29 November 2022) was a Norwegian general who served as Chief of Defence of Norway from 30 April 1999 until 1 April 2005. Frisvold was born in Kristiansund. He was educated in the Norwegian army, in addition to cand.mag.-degrees in history, political science and social studies. On 10 December 2004, Frisvold announced that he would be resigning of his own volition as Chief of Defence after he had been on sick leave several times the last year. On the same day Sverre Diesen was appointed his successor, and Diesen took over on 1 April 2005.