Kaare Sandegren (born 18 March 1929) is a Norwegian trade unionist, diplomat and member of the Labour Party. He has a master's degree from the University of Oregon and Fletcher School of Law and Diplomacy in 1953. He completed additional studies in Norway in 1956 and started as a diplomat at the Ministry of Foreign Affairs. He worked at the Norwegian delegation to NATO in 1959 before becoming chargés d'affairs in Bangkok in 1963 and 1964. He was an executive in the ministry from 1969. He became secretary of international affairs at the Norwegian Confederation of Trade Unions in 1974. He sat as a deputy member of the Norwegian Nobel Committee, but met regularly in 1990, 1993 and 1996.