Socialist Democratic Party

• Democratic Socialist Party (disambiguation)
• Kurdistan Socialist Democratic Party
• List of socialist parties
• Lithuanian Popular Socialist Democratic Party
• Mongolian New Socialist Democratic Party
• Party of Democratic Socialism (disambiguation)
• Russian Socialist Democratic Party
• Social Democratic Party
• Social Democratic Party (Bosnia and Herzegovina)
• Social Democratic Party (Croatia)
• Social Democratic Party in the GDR
• Social Democratic Party of Germany
• Socialist Democrat Party
• Socialist Democratic Party (Canada)
• Socialist Democratic Party (Chile)
• Socialist Democratic Party (India)
• Socialist Democratic Party (Japan)
• Socialist Democratic Party (Turkey)