Counties
- Calhoun County, Alabama
- Calhoun County, Arkansas
- Calhoun County, Florida
- Calhoun County, Georgia
- Calhoun County, Illinois
- Calhoun County, Iowa
- Calhoun County, Michigan
- Calhoun County, Mississippi
- Calhoun County, South Carolina
- Calhoun County, Texas
- Calhoun County, West Virginia
Read more about this topic: List Of Places Named For John C. Calhoun