Roland Barthes, a French literary theorist and philosopher, argued in his famous essay “The Death of the Author” (1967) that a literary text, when detached from the life and personality of its author, is liberated from interpretive authority and gains the potential to carry multiple layers of meaning. This perspective emphasizes signs and intratextual relationships, positioning the reader as the primary agent in the process of textual interpretation. Within this framework, Barthes introduces the concept of the “Scriptor” instead of the “author”; a scriptor who merely arranges the text without the right to impose or explain personal intentions. The present study aims to analyze the works of Mohammad Reza Kateb from the perspective of the Death of the Author theory and to examine the extent to which postmodernist techniques influence his texts. The central hypothesis posits that the features of Kateb’s works—including the active role of the reader, character autonomy, multidimensional identity, narrative flow, temporal disruption, death-reflection, and uncertainty in causality—represent a prominent instance of the practical application of this theory in Iranian fiction. This research employs an analytical-descriptive methodology, conducted through a comprehensive study of Kateb’s works and the extraction of examples relevant to the Death of the Author theory. The findings indicate that Kateb, with prior awareness of postmodernist principles and the Death of the Author, actively engages the reader in the interpretive process and expands the semantic boundaries of the narrative. The study concludes that Mohammad Reza Kateb is one of the most salient examples of the reflection of the Death of the Author theory in contemporary Iranian fiction.