Italian Social Democratic Party may refer to:
- Italian Democratic Socialist Party (Partito Socialista Democratico Italiano), Italian political party that existed between 1947 and 1998.
- Social Democracy (Democrazia Sociale), Italian political party (that existed between 1922 and 1926) officially named Partito Democratico Sociale Italiano.
- Social Democrats (Socialdemocratici), Italian political party that established in 2022.