斯拉沃热·齐泽克（斯洛文尼亚语：Slavoj Žižek，斯洛文尼亚语发音：[ˈslavoj ˈʒiʒɛk]，1949年3月21日－），斯洛文尼亚社会学家、哲学家与文化批判家，也是心理分析理论家。目前欧美有名的后拉冈心理分析学学者之一，左派学者。

齐泽克于1967年进入斯洛文尼亚卢布亚那大学学习，后于该大学获得艺术（文学）博士。后留学法国，于巴黎第八大学学习精神分析学。

第一本以英文问世的著作：《意识形态的崇高客体》，而名闻天下。

Slavoj Žižek (Slovene pronunciation: [ˈslavoj ˈʒiʒɛk]; born 21 March 1949) is a Slovenian psychoanalytic philosopher, cultural critic, and Hegelian Marxist. He is a senior researcher at the Institute for Sociology and Philosophy at the University of Ljubljana, Global Distinguished Professor of German at New York University, and international director of the Birkbeck Institute for the Humanities of the University of London. His work is located at the intersection of a range of disciplines, including continental philosophy, political theory, cultural studies, psychoanalysis, film criticism, and theology.