Perhaps the most-read philosopher in the world at the time of this publication, Slavoj Žižek has written voluminously on an extraordinary number of topics—and has, along the way, engaged many different fields of inquiry and earned many critics. At bottom, however, is a post-structural philosophy which is provided as an alternative to the proposals of Jacques Derrida, with an emphatic deployment of the psychoanalytic theory of Jacques Lacan. This critical chapter parses his work as it is relevant to radical theology.