The influence of work ethics on employee performance is highly important.  Researches on work ethics have been widely dominated by protestant concept. There has been indeed contradictive sight on some researches related to religious alliances, but the work ethics of protestant is principally different from that of Islam. Islamic institution obviously applies Islamic work ethics. This research is aimed at analyzing the direct and indirect influence of Islamic work ethics on organizational commitment through job satisfaction. The present study adopted the quantitative approach and data collected by using questionnaires. Meanwhile, data analysis is used path anaysis.  The sample of the study consist of 70 respondents.  The result shows that Islamic work ethics has direct and indirect influence on organizational commitment. The indirect influence of Islamic work ethics on organizational commitment is lower than the direct one. Islamic work ethics can increase organizational commitment indirectly through job satisfaction. Meanwhile, the total indirect influence of Islamic work ethic on organizational commitment is smaller than the direct one. The managerial implication of the current research is that the principal should conduct an ongoing assessment on the work satisfaction of the teachers and employees in order to enhance their organizational commitment.