Kåre Isaachsen Willoch is a Norwegian politician from the Conservative Party. He was Prime Minister of Norway from 1981 to 1986 and President of the Nordic Council in 1973. He was a member of the Norwegian Parliament from 1957 to 1989. He was also Director of the Nansen Institute.
Since 1986, he has been Deputy Chairman of the International Democrat Union (IDU), and he has also served as President of the Deutsch-Norwegische Gesellschaft (German-Norwegian Society) from 1987 to 1991.