South Moniteau Township is one of fourteen townships in Cooper County, Missouri, USA.

As of the 2000 census, its population was 194.

[1] According to the United States Census Bureau, South Moniteau Township covers an area of 22.41 square miles (58.04 square kilometers); of this, 22.39 square miles (57.98 square kilometers, 99.9 percent) is land and 0.02 square miles (0.06 square kilometers, 0.1 percent) is water.

The township contains these cemeteries: Renshaw and Smiley,