Jacobus Eije "Koos" Andriessen (25 July 1928 – 22 January 2019) was a Dutch politician of the defunct Christian Historical Union (CHU) party and later the Christian Democratic Appeal (CDA) party and businessman.^[1][2][3]

Andriessen worked as a researcher at the Vrije Universiteit Amsterdam from March 1951 until September 1955. Andriessen worked as civil servant for the Ministry of Economic Affairs from September 1955 until November 1959 as Director-General of the department for Political Policy from September 1955 until May 1956 and Director-General of the department for General Economic Policy from May 1956 until September 1959. Andriessen worked as professor of Political economy at the University of Amsterdam from 15 September 1959 until 24 July 1963. Andriessen also worked as a financial adviser for the Ministry of Finance from 15 September 1959 until 24 July 1963. After the election of 1963 Andriessen was appointed as Minister of Economic Affairs in the Cabinet Marijnen, taking office on 24 July 1963. The Cabinet Marijnen fell on 27 February 1965 and continued to serve in a demissionary capacity until it was replaced by the Cabinet Cals on 14 April 1965.

Andriessen retired from active politics and became active in the private sector and public sector. He worked as a corporate director for the packaging and labeling company Van Leer from 1 October 1965 until 15 September 1987 and as CFO from 15 April 1970 until 1 January 1980 and as CEO and Chairman of the board of directors, taking office on from 1 January 1980. In September 1987 Andriessen was nominated as a Chairman of the Christian Employers' association (NCW). He resigned as CEO and Chairman of the board of directors of Van Leer on 15 September 1987 and was installed as Chairman of the Christian Employers' association on 1 January 1988. After the election of 1989 Andriessen was again appointed as Minister of Economic Affairs in the Cabinet Lubbers III, taking office on 7 November 1989. Andriessen served as acting Minister of Transport and Water Management from 16 July 1994 until 22 August 1994 following the resignation Hanja Maij-Weggen. In November 1993 Andriessen announced his retirement from national politics and that he would not stand for the election of 1994. The Cabinet Lubbers III was replaced by the Cabinet Kok I on 22 August 1994.

After his retirement Andriessen returned to the private sector and public sector and occupied numerous seats as a corporate director and nonprofit director (ING Group, Hunter Douglas, Ballast Nedam, Elsevier, Diergaarde Blijdorp, Mittal Steel Company, Society for Statistics and Operations Research and the Internet Society) and serves on several state commissions on behalf of the government.