This research aimed at learning the impact of good corporate governance (GCG) which was measured using the composite leveling toward the profitability of sharia banks in Indonesia from 2012 to 2016 which was measured using Return On Asset (ROA), Return On Equity (ROE), the operating expenses to operating income (BOPO), and Non Performing Financing (NPF). The research type was quantitative using descriptive approach panel data (time series and cross section). The analysis used was simple regression analysis with the help of Eviews 8 software. The sample collecting technique used purposive sampling. The sample were 11 sharia banks registered in Bank Indonesia and Otoritas Jasa Keuangan. The research result indicated the implementation of good corporate governance had negative and significant impact toward the profitability of shari banks measured using ROA, ROE, BOPO, and NPF ratio.