The objective of this study was to investigate the effect organizational silence on employee performance by mediating the role of organizational citizenship behavior in ANRS trade and industry bureau, ANRS finance and Economy bureau and ANRS civil service bureau. A total of 284 employees participated in the study and the data’s were analyzed using descriptive and multivariate analysis, specific, structural equation model. The results show that organizational silence have significant and negative effect both on organizational citizenship behavior and employee performance with a p-value of 0.036& 0.043 and unstandardized regression coefficient of -0.136 & -0.115 respectively but organizational citizenship behavior does not have significant effect on employee performance on selected regional bureaus with p-value of 0.456 . So the researcher concludes that organizational citizenship behavior does not have mediating role between organizational silence and employee performance in the selected ANRS bureaus. The implications of the findings are discussed and recommendations made.