There are nine counties named Knox County in the United States, all apparently named after Henry Knox:
- Knox County, Tennessee (including Knoxville)
- Knox County, Indiana
- Knox County, Illinois
- Knox County, Kentucky
- Knox County, Nebraska
- Knox County, Maine
- Knox County, Ohio
- Knox County, Missouri
- Knox County, Texas
This is a Wikipedia disambiguation page. If you followed a link here, you might want to go back and fix it.