Liberty Township is one of the fifteen townships of Adams County, Ohio, United States.

[3] Located in the western part of the county, it borders the following townships: A small part of the village of West Union, the county seat of Adams County, is located in southeastern Liberty Township.

[4] It is one of twenty-five Liberty Townships statewide.

[5] The township is governed by a three-member board of trustees, who are elected in November of odd-numbered years to a four-year term beginning on the following January 1.

There is also an elected township fiscal officer,[6] who serves a four-year term beginning on April 1 of the year after the election, which is held in November of the year before the presidential election.