Lyon Township is a township in Cherokee County, Kansas, United States.

As of the 2000 census, its population was 528.

Lyon Township covers an area of 50.14 square miles (129.9 km2) and contains one Ghost Town, Treece.

According to the USGS, it contains four cemeteries: Greenlawn, Johnson Family, Moore and Mound.

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