Summit Township is a township in Decatur County, Kansas, United States.

As of the 2000 census, its population was 22.

Summit Township covers an area of 35.86 square miles (92.9 km2) and contains the ghost town of Lund.

According to the USGS, it contains one cemetery, Mennonite.

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