Center Township is a township in Decatur County, Iowa, United States.

Center Township covers an area of 33.11 square miles (85.74 square kilometers); of this, 0.42 square miles (1.08 square kilometers) or 1.26 percent is water.

The stream of West Little River runs through this township.

The township contains one cemetery, Franklin.

This article about the geography of Decatur County, Iowa is a stub.