Within the framework of positive organizational behavior, psychological capital has emerged as a form of human capital encompassing employees’ levels of hope, optimism, self-efficacy, and psychological resilience. High levels of psychological capital among employees in tourism enterprises are associated with a wide range of positive organizational outcomes, including job satisfaction, organizational commitment, trust in work, high performance, and service quality. Leadership styles play a crucial role in the formation and development of psychological capital. Accordingly, this study aims to examine the concept of psychological capital in tourism enterprises within its conceptual framework and to analyze the effects of different leadership styles on psychological capital based on the existing literature. In this regard, the study emphasizes the importance of psychological capital in the tourism sector and discusses the decisive role of leadership behaviors in supporting employees’ psychological well-being.