Count Antonio Graziadei (1872–1953) was an Italian academic and politician. One of the co-founders of the Italian Communist Party, he was Professor of Political Economy at the Universities of Cagliari and Parma and a member of the Italian Parliament from 1910 to 1926. In 1928 he went on a self-imposed exile to France to escape fascism. After the war he began his teaching activity at the University of Rome.