The study aimed to identify the Applicability of Total Quality Management in Employees' Performance Development in Private Universities, the study sample included (100) male and female employees from private universities in Sultanate of Oman, the researcher used the descriptive approach as a method for the study, and used the questionnaire as a tool for the study, among the results, the most important of which are: the level of awareness of employees and leaders in private universities about the role of total quality management in developing the performance of employees in private universities with a response degree (high), and the availability of the basic requirements for the application of total quality management to develop the performance of employees in private universities with a response degree (high), the challenges facing the application of total quality management to develop the performance of employees in private universities with a response degree (medium), and the study recommended the necessity of encouraging university leadership to apply total quality management in developing the performance of employees, and holding training courses for employees to train them on the tools and applications of total quality management.