South Yocum Township is one of twenty-one current townships in Carroll County, Arkansas, USA.

[1] As of the 2010 census, its total population was 649.

According to the United States Census Bureau, South Yocum Township covers an area of 23.247 square miles (60.21 km2); 23.247 square miles (60.21 km2) of land and 0 square miles (0 km2) of water.