Delaware Township is one of the eighteen townships of Delaware County, Ohio, United States.

Located in the western part of the county, it borders the following townships: Most of Delaware Township is occupied by the city of Delaware, the county seat of Delaware County.

Statewide, other Delaware Townships are located in Defiance and Hancock counties.

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,[4] 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.