The Dongjin River (동진강, 東津江) is a river that flows through the cities of Jeongeup and Gimje in the county of Buan, Jeollabuk-do. It is 51.03 km in length and has a total watershed of 1,124.14㎢. The river starts from the mountain of Pungbangsan (풍방산, 豊方山).