Hendrikus Johannes "Johan" Witteveen (12 June 1921 – 23 April 2019) was a Dutch politician and economist who served as the fifth managing director of the International Monetary Fund (IMF) from 1973 to 1978.

On 10 May 1940 Nazi Germany invaded the Netherlands and the government fled to London to escape the German occupation.

Witteveen subsequently returned as a Member of the House of Representatives after the resignation of Lambertus Oldenbanning, taking office on 21 September 1965 serving as a frontbencher chairing the parliamentary committee for Finances and spokesperson for Finances and deputy spokesperson for Economic Affairs.

Witteveen retired after spending 20 years in national politics and became active in the private sector and public sector and occupied numerous seats as a corporate director and nonprofit director on several boards of directors and supervisory boards (Rockefeller Foundation, Tinbergen Institute, Group of Thirty, Institute of International Relations Clingendael, Society for Statistics and Operations Research and the Helen Dowling Institute) and served on several state commissions and councils on behalf of the government (SEO Economic Research, Cadastre Agency and Statistics Netherlands) and as an advocate and lobbyist for Sufism and Financial regulation.

Witteveen was also a prolific author, having written more than a dozen books since 1947 about Politics, Finances, Economics, Business and Sufism.

Witteveen continued to comment on political affairs as a statesman until his death at the age of 97 and holds the distinction as the only Dutchman that served as Managing Director of the International Monetary Fund.

[1] Witteveen worked as an economist at the Bureau for Economic Policy Analysis under Jan Tinbergen and Fred Polak from 1947 until 1963.

His eldest son Willem Witteveen was also a politician, professor and author, he like his father had served in the Senate.

Willem Witteveen, his wife and daughter died on 17 July 2014 when Malaysia Airlines Flight 17 was shot down over Ukraine.