The Russia-Ukraine conflict is witnessing the intensive use of information warfare and psychological warfare which are part of the cognitive warfare. The main goal of cognitive warfare is to wage a war on what an enemy community thinks, loves or believes in, by altering its representation of reality and the art is an important asset and domain of the cognitive warfare. The Venice Biennale serves as a major international art exhibition celebrating achievements in contemporary art, architecture, film, theater, and dance. Some experts call it “the Olympics of the art world.” This article provides analysis of the case study of the Biennale of Venice as a theater of cognitive warfare between Russia and Ukraine. It’s still uncertain how the war will end in Ukraine, but at the 2022 Venice art biennale it is clear which side has prevailed on the art and cultural front.