This study aims to investigate the relationship between Inclusive Leadership and Job Performance with the mediating role of Innovative Employee Behavior, Effective Organizational Commitment, and Person-Job Fit. The ground field of this research is the water sector in the Sultanate of Oman. The quantitative method is used in this study by constructing a questionnaire and distributing it to the employees of the water sector in the Sultanate of Oman. The questionnaire was distributed through social media sites, the most important of which are, WhatsApp, employee e-mail, and the official correspondence exchange system for water sector institutions. Data was collected from 312 employees in the water sector and organizations associated with the water sector, Statistical analysis program (SPSS) is used to analyze the collected data. The results of this study showed that Inclusive Leadership has a positive effect on Job Performance, while Innovative Employee Behavior has a positive relationship as a mediator between Inclusive Leadership and Job Performance. This study also proved that there is a direct positive relationship between the Inclusive Leadership and the mediating variables, which are the Effective Innovative Employee Behavior, Effective Organizational Commitment, and Person-Job Fit. On the contrary, the study proved that there is no direct positive relationship between Job Performance, and Effective Innovative Employee Behavior, Effective Organizational Commitment. The Inclusive Leadership reliability score is (0.959). This study made a number of recommendations, the most important of which is that the results of the study will help leaders in the water sector to develop strategies for human resources and to know the strengths that help increase their job performance, and that the leader in the water sector in the Sultanate of Oman should allow the employees to express their opinions and assistance in making work-related decisions, especially those related to technical aspects, and providing opportunities for them to innovate and come up with new ideas, presenting them to leaders and encouraging them to ensure their loyalty and continuity in giving and high achievement at work Key words: Inclusive Leadership, Innovative Employee Behavior, Effective Organizational Commitment, Person-Job Fit.