The aim of this research was to examine the effect of Islamicity performance index, Islamic social reporting, Third-Party Funds (DPK), Operational expenses and operating income (BOPO), on financial performance which is proxied by Return on Asset (ROA) in Islamic commercial bank registered by Authority for the periods on 2011-2019. Population in this research were 14 Islamic commercial banks and the samples were 7 banks, obtained by nonprobability sampling with purposive sampling techniques, so the amount of data in this research were 63 data. The analysis techniques used were descriptive statistical analysis, classical assumptions, multiple linear regression analysis. Based on the analysis found that Third-Party Funds (DPK) has no effect on the financial performance, Operational expenses and operating income (BOPO) has a significant negative effect on the financial performance, Islamicity performance index which is proxied by profit sharing ratio has a significant negative effect on the financial performance, Islamicity performance index has a significant positive effect on the financial performance and Islamic social reporting has no effect on financial performance.