The purpose of this study was to research the relationship among ethical leadership, sportsmanship, altruism and locus of control of employees in hotel corporations. Ethical leadership is the demonstration of normatively appropriate conduct through personal actions and interpersonal relationships and the promotion of such conduct to followers through two-way communication, reinforcement and decision-making. Ethical leadership is expected to have positive effects on the attitudes and ethical conduct of employees and ultimately evev on business unit or organizational performance. To accomplish this study, it was determined that the analysis derived from a hypothesis and literature reviews and data collected from 241 employees in hotel corporations. The results of empirical analysis showed as follows. First, Perceived ethical leadership has a significant effect on sportsmanship. Second, Perceived ethical leadership has a significant effect on altruism. Third, Locus of control was also found to have moderating effect upon the relationship between ethical leadership and altruism Based on these findings, the implications and limitations of the study were presented including some directions for future studies.