This study examined the relationship between organizational justice and employee commitment in the Port Harcourt Area Command of the Nigeria Police Force. Distributive justice was the dimension of organizational justice considered in this study. Affective, normative and continuance commitment were used as measures of employee commitment. The study adopted a cross-sectional survey research design. The primary source of data was a structured self-administered questionnaire. The population of this study consists of Senior Police officers from the rank of Assistant Superintendent of Police (ASP) and above, and the other ranks made up of Inspectors and Non-Commissioned Officers (NCOs) working in the twenty-seven (27) Police Divisions distributed in four (4) Local Government Areas of Rivers State, Nigeria which has a total staff strength of 14,886. Due to the large size of the population, the Taro Yamane Sample Size determination techniques were used to determine the sample size of 390 employees, which were selected through stratified random sampling. Internal reliability of the instrument was achieved through the Cronbach Alpha coefficient with items being above 0.70. The Spearman Rank Order Correlation tool was used for hypothesis testing. The study findings revealed that there is a significant relationship between organizational justice and employee commitment in the Port Harcourt Area Command of the Nigeria Police Force. The study recommends the Nigeria Police should.