This Study aims to find out the effect of profitability, firm size, and institutional ownership on dividend policy at mining sector listed in Indonesia Stock Exchange during period 2013-2018. The sampling technique used is purposive sampling so as to get as many as 100 sample at 23 mining companies. The data in this study using multiple regression analysis with SPSS. The results of this study prove profitability has positive significant effect on dividend policy, firm size has positive significant effect on dividend policy, and institutional ownership has negative significant effect on dividend policy