Socialist Action may refer to a number of current and former political parties and organisations, mainly in the Trotskyist tradition:

• Socialist Action (Canada)
• Socialist Action (Hong Kong)
• Socialist Action (UK)
• Socialist Action (United States)

• Socialist Action (Australia)
• Socialist Action League, the former name of the Trotskyist Communist League (New Zealand)
• Socialist Action Party (PASOC), a left breakaway from the Spanish Socialist Workers' Party that participated in the formation of the United Left (Spain)
• League for Socialist Action (Canada), a Trotskyist group in Canada that merged to form the Revolutionary Workers League in 1977
• League for Socialist Action (UK), a Trotskyist group in the United Kingdom that remerged with the International Marxist Group in 1982

This disambiguation page lists articles associated with the title Socialist Action.
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