Julian Hochfeld (16 August 1911, Rzeszów – 21 July 1966, Paris) was a Polish sociologist. His family originated of German Polish ethnicity, but preferred to stay in new Poland and then assimilated as Polish since the end of World War I. Professor of the University of Warsaw, he is remembered as a major contributor to theories of Polish communism, Marxism and socialism. In his last years he worked for UNESCO. He was a proponent of Open Marxism.