The purpose of this research is to examine the relationship between perceptions of organizational politics and job satisfaction. This research also deeply investigates the variables that moderate the perceptions of organizational politics-. These variables are understanding, control, locus of control, type A personality and the tenure working for supervisor. The objects of this research are public and privacy organizations. The sample consisted of 1643 employees selected from diverse organizations. The data was analyzed by statistical methods are descriptive statistic, t-test, ANOVA, correlation analysis, factor analysis, reliability analysis, regression analysis and hierarchical regression analysis. The major results of this study are as following: The perceptions of organizational politics were found have a negative relationship with satisfaction. This finding also indicated that understanding and control moderated the relationship between the perceptions of organizational politics and job satisfaction. However, locus of control, type A personality and tenure working for supervisor don¡¦t have moderate effect in the relationship between perceptions of organizational politics and job satisfaction.