The purpose of this study was to determine the effect of the rupiah exchange rate, inflation, money supply and the growth of exports to total Islamic banking financing by using third party funds as a moderating variable. The population in this study is all Islamic banking in Indonesia both Islamic Banks or Business Unit of Sharia in 2007-2015. The sample is the entire population with time series data as much as 108 of data. The method used is multiple regression analysis. The results of this study showed that simultaneous variable rupiah exchange rate, inflation, the money supply and export growth significantly influence the total financing of Islamic banking in Indonesia. Meanwhile, third-party funds moderating influences the rupiah exchan...