The article examines the role of European left parties in the politics of their countries and the European Union. The author of the article examines the main types of European left parties, their program goals and the electorate. Modern left-wing European parties in terms of ideological orientation are mostly representatives of social democrats, the Greens, democratic socialists and communists, which roughly corresponds to the left-wing party coalitions existing in the European Parliament, with the exception of communists of the Marxist-Leninist type popular mainly outside the EU.