List of left-wing internationals

This is a list of socialist, communist, and anarchist internationals. An "International" — such as, the "First International", the "Second International", or the "Socialist International" — may refer to a number of multi-national communist, radical, socialist, or union organizations, typically composed of national sections.

Defunct internationals

• Communist League, created in 1847 from the League of the Just, dissolved 1852
• International Workingmen's Association (First International), 1864–1876
• Anarchist St. Imier International, 1872–1877
• International Working People's Association (Black International) 1881-?
• Second International, 1889–1916
• International Working Union of Socialist Parties (2½ International), 1921–1923
• Comintern (Third International), 1919–1943
• Communist Workers International, 1922–mid-1920s
• Labour and Socialist International, 1923–1940
• International Revolutionary Marxist Centre, 1932–1940s
• Fourth International, (Original Trotskyist International) 1938–1963
• Situationist International, 1957–1971

Existing internationals

• International Communist Party (Left Communism)
• Committee for a Workers' International (Trotskyism)
• International of Anarchist Federations (Synthesis anarchism, Anarchist-Communism)
• International Bureau for the Revolutionary Party (Left Communism)
• International Communist Current (Left Communism)
• International Workers Association (Anarcho-Syndicalism)
• International Socialist Tendency (Revolutionary Socialism)
• Fourth International (Trotskyism)
• Revolutionary Internationalist Movement (Maoism)
• Socialist International (Social democracy, Socialism)
• World Socialist Movement (Marxism, Anti-Leninism)
• International Marxist Tendency (Trotskyism)
• Other Trotskyist internationals

Proposed future internationals

• Fifth International

External links

• Lists of leftist organisations