The Action Party (Italian: Partito d'Azione, PdA) was a liberal-socialist political party in Italy. The party was anti-fascist and republican. Its prominent leaders were Carlo Rosselli, Ferruccio Parri, Emilio Lussu and Ugo La Malfa. Other prominent members included Leone Ginzburg, Ernesto de Martino, Norberto Bobbio, Riccardo Lombardi, Vittorio Foa and the Nobel-winning poet Eugenio Montale.