摘要:Abstract The aim of the current study was to determine the factors associated with occupational stress and their relationship with organizational performance at university of Tehran. Results indicated that most of the employees experienced high degree job stress. Job stressors affecting most of the employees included: role conflict and role ambiguity, lack of promotion and feedback, lack of participation in decision making, lack of authority, workload, unsatisfactory working conditions and interpersonal relationships. These job stressors affected the general physical health of employees, their job satisfaction and performance as well as their commitment negatively.