Job satisfaction is the most researched concept studied in industrial and organizational psychology since researches had found it to be related to factors that are important in creating a better organization. Hence the first objective of this study was to examine the relationship between organizational justice and organizational citizenship behavior with job satisfaction among secondary school teachers in Selangor, Malaysia. Secondly, it identified effects of the dimensions of organizational justice and organizational citizenship on job satisfaction. Finally this study looked at the moderating effect of organizational citizenship behavior on the relationship between job satisfaction and organizational justice. The psychometric measurement tools used for data collection were: Organization Justice Scale (OJS), Organizational Citizenship Behavior (OCB) and Minnesota Satisfaction Questionnaire (MSQ). Data collected were analyzed using Pearson correlation and multiple regressions. Results showed significant relationships between organizational justice and job satisfaction, organizational citizenship behavior and job satisfaction. Organizational justice was found to have a positive significant relationship with job satisfaction where organizational citizenship behavior acts as a moderator between the two variables.