Ha-Joon Chang (; Korean: 장하준; Hanja: 張夏准; born 7 October 1963) is a South Korean institutional economist, specialising in development economics. Currently a reader in the Political Economy of Development at the University of Cambridge, Chang is the author of several widely discussed policy books, most notably Kicking Away the Ladder: Development Strategy in Historical Perspective (2002). In 2013 Prospect magazine ranked Chang as one of the top 20 World Thinkers.

He has served as a consultant to the World Bank, the Asian Development Bank, the European Investment Bank, as well as to Oxfam and various United Nations agencies. He is also a fellow at the Center for Economic and Policy Research in Washington, D.C. In addition, Chang serves on the advisory board of Academics Stand Against Poverty (ASAP).