Freeport Township is one of the fifteen townships of Harrison County, Ohio, United States.

The unincorporated community of Smyrna is located in southeast Freeport Township next to the southern boundary of the township and county.

[4] 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,[5] 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.

Vacancies in the fiscal officership or on the board of trustees are filled by the remaining trustees.