Clinton Township is one of the fourteen townships of Shelby County, Ohio, United States.

The 2020 census found 20,317 people in the township.

Located in the southern part of the county, it borders the following townships: Most of Clinton Township is occupied by the city of Sidney, the county seat of Shelby County.

[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.