The purpose of this research is to examine the role of organizational justice which consists of four dimensions (distributive, procedural, interpersonal, and informational) on increasing the degree of organizational commitment among employees of Samarra University. In addition, the mediator role of job satisfaction is examined in this relationship. The research methodology applied to meet the research objectives included the application of a descriptive-analytical framework, and data were collected using a questionnaire for a stratified random sample comprising 327 faculty and administration staff members. The findings from SPSS analysis indicated that there is a statistically significant relationship between organizational justice and organizational commitment in its three dimensions (affective, continuance, and normative). In addition, the study pointed out the vital and intermediate function of job satisfaction in terms of the relation between perceived justice and further development of organizational commitment. The improvement of employees' perception of justice enhances their job satisfaction, which in its turn results in a higher commitment to the organization and its goals. These recommendations were offered at the conclusion of the study for the university’s administration, focusing on the institutionalization of principles of justice and transparency in the process of all administrative operations and reward allocation to ensure a conducive working environment.