This study a ims to get t h e empirical evidence about the influence ofearnings management, audit quality and CEO duality on the tax avoidance. Taxavoidance has used an effective tax rate (ETR) by calculating the corporate taxesexpenses divided by the earnings before income and tax during a certain period.Population of this research are the manufacturing companies in IndonesiaStock Exchange in 2014-2016 which 48 companies are using the purposive samplingtechnique. Methods of data analysis has applied the descriptive statistical analysisand multiple linear regression.These results have indicated that earnings management, audit quality andCEO duality have had a significant effect simultaneously on the tax avoidance.However, partial test results have shown that the audit quality and CEO dualityhave not affected the tax avoidance. While the earnings manegement has had asignificant effect on the tax avoidance