Smithville is a village in Wayne County, Ohio, United States. The population was 1,338 at the time of the 2020 census. The village derives its name from Thomas Smith, a pioneer settler.

Wayne County is a county in the U.S. state of Ohio. As of the 2020 census, the population was 116,894. Its county seat is Wooster. The county is named for General "Mad" Anthony Wayne. Wayne County comprises the Wooster, OH Micropolitan Statistical Area.