This is a list of party secretaries of the Socialist Left Party which spans a history of over 35 years. Party leaders are indicated with a blue background...

The Socialist Left Party (Norwegian: Sosialistisk Venstreparti, SV;Northern Sami: Sosialisttalaš Gurutbellodat) is a democratic socialist political party...

The Spanish Socialist Workers' Party (Spanish: Partido Socialista Obrero Español [paɾˈtiðo soθjaˈlista oˈβɾeɾo espaˈɲol] ; abbr. PSOE [peˈsoe] ) is a social-democratic...

The Socialist Party (French: Parti socialiste [paʁti sɔsjalist], PS) is a centre-left to left-wing political party in France. It holds social democratic...

The Unified Socialist Party (French: Parti Socialiste Unifié, PSU; Arabic: الحزب الاشتراكي الموحد), previously known as the Party of the Unified Socialist...

Socialist Party (transl. United Socialist Party; abbr. SSP), was a political party in India from 1964 to 1974. SSP was formed through a split in the Praja...

The Socialist Party of Chile (Spanish: Partido Socialista de Chile, or PS) is a centre-left political party founded in 1933. Its historic leader was President...

The Socialist Party of America (SPA) was a socialist political party in the United States formed in 1901 by a merger between the three-year-old Social...

The Socialist Party (Portuguese: Partido Socialista, pronounced [pɐɾˈtiðu susiɐˈliʃtɐ], PS) is a social-democratic political party in Portugal. It was...

The Italian Socialist Party (Italian: Partito Socialista Italiano, PSI) was a social democratic and democratic socialist political party in Italy, whose...