- Clafin University, Orangeburg, Orangeburg County, South Carolina, United States1
- Claflin University,Orangeburg, Orangeburg County, South Carolina, United States1
- Claiborne, Monroe County, Alabama, United States1
- Clarendon County (S.C)5
- Clarendon County (S.C.)347
- Clarendon County (S.C.) 1
- Clarendon County (SC)67
- Clarendon County, South Carolina, United States46
- Clarendon, Clarendon County, South Carolina, United States13
- Clemson (S.C.)2
- Clemson(S.C.)3
- Clemson, Anderson County, Pickens County, South Carolina, United States1
- Clemson, Pickens County, South Carolina, United States8
- Cleveland (Ohio)1
- Cleveland, Bolivar County, Mississippi, United States2
- Cleveland, Cuyahoga County, Ohio, United States4
- Clifton (S.C.)6
- Clinton (S.C.)6
- Clinton, Laurens County, South Carolina, United States3
- Clinton, Middlesex County, Connecticut, United States1