Rochester Township is a township in Kingman County, Kansas, United States. As of the 2000 census, its population was 210.
Rochester Township covers an area of 36.28 square miles (93.95 square kilometers); of this, 0.03 square miles (0.09 square kilometers) or 0.1 percent is water. The streams of Goose Creek and Kemp Creek run through this township.
The township contains three cemeteries: Nichols, Pleasant Hill and Saint Johns.