Abstract
The article reveals the essence of fascism and its ideology, the causes and the relevance of this phenomenon for Russia and Ukraine. The object of the study is Fascism as an ideology and political practice. The subject of the study are the trends, patterns and threats manifestations of fascism in the political process of modern Russia and Ukraine. Fascism - a kind of political regime and the radical authoritarian, imperialist political ideology, characteristic features of which have a strong cult of personality, nationalism, militarism, totalitarianism, imperialism. The threat of fascism in Russia has become a reality. The ideologies of Nazism and Fascism in Ukraine condemned by an absolute majority of citizens.