- Canton, Madison County, Mississippi, United States1
- Cantrell (S.C.)1
- Cap Francois, Haiti1
- Cape Canaveral (Fla.)1
- Cape Cod, Barnstable County, Massachusetts, United States1
- Cape Gloucester (New Britain)2
- Cape Island (S.C.)1
- Cape May (N.J.)1
- Cape Sudest (New Guinea)1
- Cape Verde Islands, Cape Verde, Africa1
- Cape of Good Hope, Western Cape, South Africa1
- Caprera, Italy2
- Capri (Italy)2
- Carbon (Northampton) County, Pennsylvania, United States1
- Carbon County (Penn.)2
- Carem Elementary School, Union, Union County, South Carolina, United States2
- Carleston County1
- Carlisle (S.C.)8
- Carlisle, Cumberland County, Pennsylvania, United States2
- Carlowville (Ala.)2