Coffins Grove Township is a township in Delaware County, Iowa, United States.

It is named for Clement Coffin, who settled in a forested grove about 15 years before.

[2] Coffins Grove Township covers an area of 36.55 square miles (94.67 square kilometers).

The stream of Prairie Creek runs through this township.

The township contains three cemeteries: Coffins Grove, Greenwood and Saint Mary.