The purpose of this study is to analyze the effect of Capital Adequacy Ratio, Non Performing Financing, and Exchange Rate on profitability on islamic banking companies in Indonesia during 2014 – 2018. The population used for the study is Islamic bank that are listed in the OJK during 2014-2018. Data obtained from the annual banking report that has been published.This study used documentation method by collecting and summarizing the data. Multiple linear regression was used as data analysis technique. The result of this study showed that Non Performing Financing has a negative effect on profitability (ROA).While, Capital Adequacy Ratio, and Exchange Rate has no effect on profitability (ROA).