Liberty Township is a township in Geary County, Kansas, United States. As of the 2000 census, its population was 225.
Liberty Township was organized in 1875.
Liberty Township covers an area of and contains no incorporated settlements. According to the USGS, it contains five cemeteries: Moss Springs, Olson, Quaker, Upper Humboldt and Welcome.
The streams of East Branch Humboldt Creek, West Branch Davis Creek, West Branch Dry Creek and West Branch Humboldt Creek run through this township.