Calhoun County Courthouse may refer to:
Calhoun County Courthouse (Alabama), Anniston, Alabama Calhoun County Courthouse (Arkansas), Hampton, Arkansas Old Calhoun County Courthouse, Blountstown, Florida Calhoun County Courthouse (Georgia), Morgan, Georgia Calhoun County Courthouse (Illinois), Hardin, Illinois Calhoun County Courthouse (Iowa), Rockwell City, Iowa Calhoun County Courthouse (South Carolina), St. Matthews, South Carolina