This study aims to verify the influence of employees’ perception of their leader's fun leadership on rapport, emotional response and service behavior in the context of hotel organizations to present practical implications related to fun leadership. This study posited six research hypotheses based on relative literature, also established a research model with the six hypotheses. In addition, data obtained from 395 hotel employees working at five-star hotels in Seoul and the metropolitan area was used to test the postulated six hypotheses and the research model. The findings of this study, first, leaders’ fun leadership in hotel companies has a positive and significant impact on rapport. Second, the study found that leaders’ fun leadership positively and significantly influences emotional response. Third, the study found that leaders’ fun leadership positively and significantly influences service behavior. Fourth, rapport positively and significantly affects emotional response. Fifth, rapport positively and significantly affects service behavior. Sixth, emotional response positively and significantly affects service behavior. The current study contributes to advancement of the hospitality, presenting the significant findings that fun leadership plays a crucial role in the human resources management for hotel organizations.