York Township is one of the twelve townships of Fulton County, Ohio, United States. As of the 2020 census the population was 4,257.

Fulton County is a county located in the U.S. state of Ohio west of Toledo. As of the 2020 census, the population was 42,713. Its county seat and largest city is Wauseon. The county was created in 1850 with land from Henry, Lucas, and Williams counties and is named for Robert Fulton, inventor of the steamboat. Fulton County is a part of the Toledo metropolitan area.