Liberty Township is a township in Clarke County, Iowa, USA.

Liberty Township covers an area of 36.59 square miles (94.8 km2) and contains no incorporated settlements.

According to the USGS, it contains five cemeteries: Bethel Chapel, Harrison, Liberty, Rhodes and Twyford.

The streams of Middle Otter Creek, North Otter Creek and Victory Creek run through this township.

This article about the geography of Clarke County, Iowa is a stub.