Liberty Township is one of the twelve townships of Van Wert County, Ohio, United States. The 2020 census found 1,437 people in the township.

Van Wert County is a county located in the U.S. state of Ohio. As of the 2020 census, the population was 28,931. Its county seat is Van Wert. The county was created on February 12, 1820, and later organized on March 18, 1837. It is named for Isaac Van Wart, one of the captors of John André in the American Revolutionary War.