Johannes "Jan" van Aartsen (15 September 1909 – 3 February 1992) was a Dutch politician of the defunct Anti-Revolutionary Party (ARP) now merged into the Christian Democratic Appeal (CDA) party and jurist.
Van Aartsen applied at the Free University Amsterdam in June 1931 majoring in law and obtaining an Bachelor of Laws degree before graduating with an Master of Laws degree in July 1936.
Van Aartsen worked as a lawyer in The Hague from August 1936 until October 1944.
On 10 May 1940 Nazi Germany invaded the Netherlands and the government fled to London to escape the German occupation.
During World War II Van Aartsen continued to work as a lawyer.
Van Aartsen worked as a trade association executive for the Christian Employers' association (NCW) from October 1944 until September 1949 and served as General-Secretary from July 1947 until September 1949.
Van Aartsen served on the Municipal Council of The Hague from May 1948 until November 1958 and served as an Alderman in The Hague from September 1949 until November 1958.
Van Aartsen was appointed as Minister of Transport and Water Management in the Cabinet Drees III following the resignation of Jacob Algera, taking office on 1 November 1958.
The Cabinet Drees III fell on 11 December 1958 and continued to serve in a demissionary capacity until it was replaced by the caretaker Cabinet Beel II with Van Aartsen continuing as Minister of Transport and Water Management, taking office on 22 December 1958.
Van Aartsen was elected as a Member of the House of Representatives after the election of 1959, taking office on 20 March 1959.
Following the cabinet formation of 1959 Van Aartsen was appointed as Minister of Housing and Construction in the Cabinet De Quay, taking office on 19 May 1959.
In December 1962 Van Aartsen announced that he wouldn't not stand for the election of 1963.
Following the cabinet formation of 1963 Van Aartsen was again appointed as Minister of Transport and Water Management 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 the cabinet formation of 1965, Van Aartsen was not giving a cabinet post in the new cabinet, the Cabinet Marijnen was replaced by the Cabinet Cals on 14 April 1965.
Van Aartsen remained in active politics, in May 1965 Van Aartsen was nominated as Queen's Commissioner of Zeeland, serving from 1 June 1965 until 1 October 1974.