The purpose of the research is to determine the effect of interest rates, profit sharing and PDRB on the collection of third party funds of commercial banks in Riau Province in the long run and short run. Data used in this research is time series data from 2011 (Q1) to 2018 (Q4), sourced from Bank Indonesia (BI), Financial Services Authority (OJK), and Central Bureau of Statistics (BPS). T…