Calvin Township is a township in Jewell County, Kansas, USA.

As of the 2000 census, its population was 65.

Calvin Township covers an area of 31.43 square miles (81.4 square kilometers); of this, 0.01 square miles (0.04 square kilometers) or 0.05 percent is water.

The township contains one cemetery, McGehee.

This article about a location in Jewell County, Kansas is a stub.