Norberto Bobbio (Italian: [nor'b?rto 'b?bbjo]; 18 October 1909 – 9 January 2004) was an Italian philosopher of law and political sciences and a historian of political thought.
He also wrote regularly for the Turin-based daily La Stampa.
Bobbio was a liberal socialist in the tradition of Piero Gobetti, Carlo Rosselli, Guido Calogero, and Aldo Capitini.
He was also strongly influenced by Hans Kelsen and Vilfredo Pareto.