William Gibson's “Cyberspace” trilogy, which includes the novels, “Neuromancer”, “Count Zero”, and “Mona Lisa Overdrive”, is a foundational work in the cyberpunk literature. These works depict a dark and high-tech future world where transhumanism and dystopia play key roles. The aim of this article is to analyze the dystopian and transhumanistic elements in William Gibson’s “Cyberspace” trilogy. The focus of the study is on how Gibson used advanced technology and artificial intelligence as a main symbols of trilogy in order to create a bleak future where social and cultural structures deteriorate under the influence of technological progress. The novelty of the topic lies in the fact that Gibson’s works have a significant impact on the development of cyberpunk and the entire science fiction genre. The research methodology is based on the analysis of the novels’ texts using literary and cultural analysis methods. The study highlights key dystopian elements and transhumanistic motifs in the novels. The results of the study demonstrate that Gibson masterfully portrays a future where technology destroys traditional social structures and creates a new world full of moral dilemmas. The discussion includes an examination of questions of human identity, the role of technology in shaping social inequalities, and the potential consequences for future society.