Salem Township is one of the eleven townships of Warren County, Ohio, United States, located in the central part of the county.

[4] Located in the southern part of the county, it borders the following townships: It is bisected by the Little Miami River.

[5] Salem Township is in both the Symmes Purchase and the Virginia Military District.

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.

Most of the township is the Little Miami Local School District, but a part north of the Little Miami River is in the Lebanon City School District.