Daniel-Constantin Barbu (21 May 1957 – 18 March 2024) was a Romanian political scientist, publisher, essayist, journalist, and professor of political science at the University of Bucharest. He served as dean of the Faculty of Political Science and director of the Institute for Political Research at the University of Bucharest. He was the author as of June 2007 of eight books and many more articles on political science, and a contributor to the magazine ''Sfera Politicii''.