Clay County Courthouse
- Clay County Courthouse (Alabama)
- Clay County Courthouse (Florida)
- Clay County Courthouse (Georgia)
- Clay County Courthouse (Illinois)
- Clay County Courthouse (Indiana)
- Clay County Courthouse (Iowa)
- Clay County Courthouse (Kansas)
- Clay County Courthouse (Nebraska)
- Clay County Courthouse (North Carolina)
- Clay County Courthouse (South Dakota)
- Clay County Courthouse (Tennessee)
- Clay County Courthouse, Eastern District
- National Register of Historic Places listings in Clay County, Texas
- Old Clay County Courthouse (West Virginia)