Arne Toralf Sunde (6 December 1883 – 30 July 1972) was a Norwegian politician, Olympic shooter and army officer. He is best known for his participation in the 1940 Norwegian Campaign, his participation in Nygaardsvold's Cabinet during its 1940–1945 exile in London and three years as a United Nations ambassador. Sunde was President of the United Nations Security Council in June 1949 and July 1950.