Serge Latouche (/ləˈtuːʃ/; French: [latuʃ]; born 12 January 1940) is a French emeritus professor of economics at the University of Paris-Sud. He holds a degree in political sciences, philosophy and economy.

Latouche is a specialist in north–south economic and cultural relations, and in the epistemology of the social sciences. He has developed a critical theory towards economic orthodoxy. He denounces economism, utilitarianism in social sciences, consumer society and the notion of sustainable development. He particularly criticizes the notions of economic efficiency and economic rationalism. He is one of the thinkers and most renowned partisans of the degrowth theory.^[2] Latouche has also published in the Revue du Mauss, a French anti-utilitarian journal.