SUMMARY
This study aims to determine the analysis of mudharabah, musyarakah and murabahah financing their effects on the profitability of Islamic commercial banks in Indonesia by using the Return On Assets (ROA) ratio. The research method uses descriptive quantitative approach research with case studies on Islamic Commercial Banks in Indonesia. The data used for this research is secondary data which is based on the results of the quarterly financial reports of Islamic Commercial Banks which include BNI Syariah, Bank Mega Syariah, BRI Syariah, Bank and Muamalat during the 2017/2018 period. This research uses multiple linear regression analysis. The results showed that the financing of mudharabah, musyarakah and murabahah had a significant effect on the level of ROA partially. Simultaneously, mudharabah, musyarakah and murabahah financing shows a significant effect on the ROA level. Musyarakah financing is a profit-sharing financing that most dominantly affects the ROA level.