Background: For the organization's success, it must work with employees who must behave faithfully and be committed to improving its performance. Justice is considered a sound investment in our organization, and no one can deny the fact that a just organization is where the employees are more engaged and productive. Aim: The study aimed to investigate the impacts of three dimensions of organizational justice (distributive, procedural , interactional) on healthcare workers’ performance. Method: To achieve the aim of this study, the researcher adopted a descriptive analysis cross-sectional design. The study population was the workers in King Abdullah Medical City (KAMC), in Makkah, Saudi Arabia. In 2021, The questionnaire was used to collect the needed data, and the response rate was 100%. Data were analyzed by using SPSS, and Three hypotheses were tested based on data collected. Result: Results of the Chi-square analysis demonstrated that a significant relationship was found between healthcare workers’ performance and the three dimensions of organizational justice (distributive justice, procedural justice, and Interactional justice) (P-value <0.05). Conclusion and recommendation: Organizational justice has an important influence on healthcare workers’ performance. The recommendations made from this study are the following: Decisions must be based on accurate information and participation of employees in decisions related to their work. Also, hospital managers should openly describe the fair procedures they are using and explain decisions with dignity and respect