Clarksfield Township is one of the nineteen townships of Huron County, Ohio, United States.

Located on the eastern edge of the county, it borders the following townships: No municipalities are located in Clarksfield Township, although the unincorporated community of Clarksfield lies in the township's northwest.

Clarksfield Township was named for James Clark, a hero of the Revolutionary War.

[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.