Witold Jerzy Kiezun (born 6 February 1922, in Wilno) is a Polish economist, former soldier of the Home Army – the Polish resistance movement against German occupation during World War II, participant of the Warsaw uprising and prisoner in the Soviet Gulags.
Kiezun is a former professor at Temple University, Duquesne University, Universite de Montreal, Université du Québec à Montréal, Bujumbura University, Warsaw University.
He served as Chief Technical Advisor of the United Nations Development Programme in Burundi, Rwanda, and Burkina Faso.
Witold Kiezun is currently a lecturer at Kozminski University in Warsaw.
He received Doctor Honoris Causa from Jagiellonian University and the National Defence University of Warsaw.
Kiezun is an honorary member of the Polish Academy of Sciences and an honorary citizen of Warsaw.