The purpose of this research is to investigate the effect of CEO narcissism on CEO compensation. For this purpose, the data related 2022 the companies accepted in the Tehran Stock Exchange for the ten-year period between 2013 and 1401 were extracted for 90 companies and the statistical software Eviews 8 was used. The current research is descriptive and analytical in terms of its purpose; from the dimension of research type process, quantitative; from the perspective of logic, it is an inductive research, and from the perspective of the research result, it is an applied research. In this research, to measure the CEO's narcissism, the size of the CEO signature and the CEO testosterone level were used, and the natural logarithm of the CEO compensation, which can be extracted from the companies notes the financial statements, was used to measure the CEO's reward. After the statistical analysis, the results of the research hypotheses indicate that CEO narcissism has a positive and significant effect on CEO compensation. This shows that the behavior of narcissistic managers is done in order to provide favorable statements to the owners and shareholders to increase the reward and also gain more satisfaction.