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

Liberty Township covers an area of 35.2 square miles (91 km2) and contains no incorporated settlements.

The county seat of Oberlin sits on the township's southeastern border.

Liberty Township contains two airports or landing strips: Oberlin Municipal Airport and R and D Aerial Spraying Airport.

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