Ivan Krastev (Bulgarian: Иван Кръстев, born 1965 in Lukovit, Bulgaria), is a political scientist, the chairman of the Centre for Liberal Strategies in Sofia, permanent fellow at the IWM (Institute of Human Sciences) in Vienna, and 2013-14-17 Richard von Weizsäcker fellow at the Robert Bosch Stiftung in Berlin.

He is a founding board member of the European Council on Foreign Relations, a member of the board of trustees of the International Crisis Group and is a contributing opinion writer for The New York Times.

From 2004 to 2006 Krastev was executive director of the International Commission on the Balkans chaired by the former Italian Prime Minister Giuliano Amato. He was Editor-in-Chief of the Bulgarian Edition of Foreign Policy and was a member of the Council of the International Institute for Strategic Studies, London (2005-2011).

His books in English include "After Europe" (UPenn Press, 2017), "Democracy Disrupted. The Global Politics on Protest" (UPenn Press, May 2014), "In Mistrust We Trust: Can Democracy Survive When We Don't Trust Our Leaders", (TED Books, 2013); "The Anti-American Century", co-edited with Alan McPherson, (CEU Press, 2007) and "Shifting Obsessions: Three Essays on the Politics of Anticorruption" (CEU Press, 2004). He is a co-author with Stephen Holmes of a forthcoming book on Russian politics.