The Italian Socialist Party was an Italian political party founded 1892.

Italian Socialist Party may also refer to:

New Italian Socialist Party Italian Socialist Party (2007) Socialist Party (Italy, 1996) Italian Revolutionary Socialist Party Italian Reformist Socialist Party Unitary Socialist Party (Italy, 1922) Unitary Socialist Party (Italy, 1949) Italian Democratic Socialist Party Italian Socialist Party of Proletarian Unity The Italian Socialists United Socialists (Italy)

See also Italian Communist Party