Sergio Fabbrini (1949) is an Italian political scientist. He holds a Jean Monnet Chair in European Institutions and Politics at LUISS Guido Carli university in Rome and a Recurrent Professor of Comparative Politics at the University of California. He directed the Rivista Italiana di Scienza Politica from 2004 to 2009 and is currently a columnist for Il Sole-24 Ore.