South River Township is a township in Sampson County, North Carolina, United States.
South River Township is one of 19 townships within Sampson County. It is in land area. The township is located in southern Sampson County.
Communities within South River Township include Garland and Mintz. The South River forms the western border of the township.
South River Township is bordered to the north by McDaniels Township, to the east by Lisbon Township, to the south by Franklin Township, and to the west by Bladen County.
In 2020, the population of South River Township was 1,609.
In 2023, the estimated population of the township was 2,402.