Over the course of his career, Mailer demonstrated a deep concern regarding the problem of totalitarianism, particularly its manifestation in American society. It was his belief that totalitarianism was not only a political and social threat enacted against the freedom of the individual, but that it had also made inroads into every aspect of society, from architecture to technology. This chapter provides an overview of Mailer’s definitions of totalitarianism in society, as well as his views of its consequences – which he believed manifested not just socially and politically, but also psychologically and physically.