Karin Cecilie "Kaci" Kullmann Five (13 April 1951 – 19 February 2017) () was a Norwegian politician for the Conservative Party. She served as a Member of Parliament from 1981 to 1997, as Minister of Trade and Shipping in the Ministry of Foreign Affairs from 1989 to 1990 and as leader of the Conservative Party from 1991 to 1994. After she left politics in 1997, she held roles in private business, ran her own consultancy and was a board member of Statoil and other companies and organisations.