Washington Township is a township in Jackson County, Kansas, USA.

Washington Township covers an area of 53.69 square miles (139.06 square kilometers); of this, 0.07 square miles (0.19 square kilometers) or 0.14 percent is water.

The streams of Dutch Creek, Illinois Creek, James Creek, Salt Creek and Sullivan Creek run through this township.

The township contains one cemetery, Delia.

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