Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Casey School (historical) | School | 17 | Berkeley | 33 01 10 N | 080 02 36 W |
| Cash | Populated Place | 44 | Chesterfield | 34 37 07 N | 079 52 38 W |
| Cash Baptist Church | Church | 44 | Chesterfield | 34 36 33 N | 079 52 37 W |
| Cash Lake | Lake | 22 | Chesterfield | 34 35 44 N | 079 49 49 W |
| Cashion Crossroads | Populated Place | 255 | Cherokee | 35 05 23 N | 081 30 28 W |
| Cashs Depot (historical) | Locale | 36 | Chesterfield | 34 37 16 N | 079 52 21 W |
| Cashua Ferry (historical) | Crossing | 15 | Darlington | 34 21 16 N | 079 41 14 W |
| Cashua Neck | Area | 16 | Darlington | 34 22 20 N | 079 42 20 W |
| Cashville | Populated Place | 249 | Spartanburg | 34 48 26 N | 082 07 47 W |
| Cashville School (historical) | School | 251 | Spartanburg | 34 48 39 N | 082 08 17 W |
| Casino Creek | Gut | -2 | Charleston | 33 04 23 N | 079 23 26 W |
| Caskey | Populated Place | 177 | Lancaster | 34 44 42 N | 080 50 13 W |
| Caskey Cemetery | Cemetery | 179 | Lancaster | 34 43 49 N | 080 42 16 W |
| Casnoe School (historical) | School | 251 | Cherokee | 35 05 11 N | 081 30 54 W |
| Cassatt | Populated Place | 118 | Kershaw | 34 21 53 N | 080 26 09 W |
| Cassatt Baptist Church | Church | 114 | Kershaw | 34 21 58 N | 080 26 05 W |
| Cassatt Church (historical) | Church | 126 | Kershaw | 34 21 09 N | 080 26 00 W |
| Cassatt Lookout Tower | Tower | 135 | Kershaw | 34 23 17 N | 080 27 15 W |
| Cassatt School (historical) | School | 128 | Kershaw | 34 21 26 N | 080 26 07 W |
| Cassels Fire Tower | Locale | 92 | Aiken | 33 14 10 N | 081 42 58 W |
| Cassidy Bridge | Bridge | 374 | Oconee | 34 47 14 N | 083 12 38 W |
| Cassidy Bridge Campground | Locale | 374 | Oconee | 34 47 09 N | 083 12 37 W |
| Cassidy Cemetery | Cemetery | 104 | Chesterfield | 34 34 60 N | 080 09 12 W |
| Cassidys Mill (historical) | Locale | 84 | Chesterfield | 34 38 14 N | 080 09 05 W |
| Cassina Heights | Populated Place | 3 | Charleston | 32 48 22 N | 079 50 02 W |
| Cassina Plantation | Locale | 1 | Charleston | 32 48 10 N | 079 50 25 W |
| Casteel Pond Number One Dam D-2835 | Dam | 358 | Greenville | 35 08 00 N | 082 27 23 W |
| Casteel Pond Number Three Dam D-2836 | Dam | 342 | Greenville | 35 08 12 N | 082 27 23 W |
| Castle Cemetery | Cemetery | 8 | Charleston | 32 52 52 N | 080 06 08 W |
| Castle Hall Plantation | Locale | 5 | Beaufort | 32 39 18 N | 080 50 19 W |
| Castle Heights Junior High School | School | 192 | York | 34 54 48 N | 081 00 20 W |
| Castle Pinckney | Locale | 3 | Charleston | 32 46 25 N | 079 54 39 W |
| Castles Pond (historical) | Reservoir | 30 | Barnwell | 33 10 59 N | 081 43 44 W |
| Castles-Stevenson Cemetery | Cemetery | 167 | Fairfield | 34 33 06 N | 081 21 35 W |
| Castlewood (subdivision) | Populated Place | 6 | Charleston | 32 48 16 N | 080 01 51 W |
| Caston Park | Park | 54 | Chesterfield | 34 41 41 N | 079 53 29 W |
| Casual Branch | Stream | | Lee | 34 04 43 N | 080 12 14 W |
| Cat Bay | Swamp | 13 | Dorchester | 33 05 59 N | 080 20 58 W |
| Cat Hole | Populated Place | 22 | Dorchester | 33 08 41 N | 080 41 38 W |
| Cat Island | Island | 3 | Beaufort | 32 21 60 N | 080 39 19 W |
| Cat Island | Island | 2 | Charleston | 32 55 59 N | 079 46 27 W |
| Cat Island | Island | 1 | Georgetown | 33 13 09 N | 079 14 18 W |
| Cat Island Church (historical) | Church | 2 | Georgetown | 33 12 29 N | 079 14 53 W |
| Cat Island Creek | Channel | 2 | Beaufort | 32 21 46 N | 080 39 48 W |
| Cat Island Plantation | Locale | 4 | Georgetown | 33 12 54 N | 079 15 37 W |
| Cat Island Plantation | Locale | 2 | Georgetown | 33 12 08 N | 079 14 37 W |
| Cat Island Reach | Channel | -3 | Beaufort | 32 21 10 N | 080 40 00 W |
| Cat Pond School (historical) | School | 78 | Chesterfield | 34 31 42 N | 080 00 08 W |
| Catarrh | Populated Place | 93 | Chesterfield | 34 33 57 N | 080 22 02 W |
| Catawba | Populated Place | 173 | York | 34 51 11 N | 080 54 40 W |
| Catawba Camp | Locale | 194 | York | 35 02 60 N | 081 06 07 W |
| Catawba Chapel African Methodist Episcopal Zion Church | Church | 177 | York | 34 51 06 N | 080 54 51 W |
| Catawba Church | Church | 163 | Lancaster | 34 44 01 N | 080 49 58 W |
| Catawba Church | Church | 203 | York | 34 51 20 N | 080 55 35 W |
| Catawba Church | Church | 207 | York | 34 54 23 N | 080 57 50 W |
| Catawba Church (historical) | Church | 171 | York | 34 50 47 N | 080 53 59 W |
| Catawba Community Pre-Release Center | Building | 166 | York | 34 53 24 N | 081 05 36 W |
| Catawba Creek | Stream | | York | 35 08 56 N | 081 03 19 W |
| Catawba Indian Reservation | Reserve | 173 | York | 34 54 21 N | 080 53 14 W |
| Catawba Indian School (historical) | School | 187 | York | 34 54 26 N | 080 53 22 W |
| Catawba Pond Number One D-2574 Dam | Dam | 53 | Allendale | 33 03 19 N | 081 25 41 W |
| Catawba Ridge | Populated Place | 187 | York | 35 06 06 N | 081 03 59 W |
| Catawba River | Stream | | Fairfield | 34 28 01 N | 080 53 20 W |
| Catawba School (historical) | School | 182 | Lancaster | 34 44 59 N | 080 50 42 W |
| Catawba School (historical) | School | 172 | York | 34 50 46 N | 080 53 58 W |
| Catawba School (historical) | School | 178 | York | 34 51 07 N | 080 54 51 W |
| Catchall | Populated Place | 115 | Sumter | 34 00 35 N | 080 29 25 W |
| Catchall Spann School | School | 114 | Sumter | 33 59 60 N | 080 29 41 W |
| Cateechee | Populated Place | 279 | Pickens | 34 46 14 N | 082 46 26 W |
| Cater Branch | Stream | | Oconee | 34 46 53 N | 082 58 30 W |
| Cater Lake Park | Park | 228 | Anderson | 34 31 08 N | 082 38 46 W |
| Cater Park (historical) | Park | 240 | Anderson | 34 30 57 N | 082 38 55 W |
| Cates Bay | Basin | 9 | Horry | 33 49 08 N | 079 08 09 W |
| Cates Pond | Reservoir | 53 | Richland | 33 57 25 N | 080 41 07 W |
| Catfish Bay | Swamp | 34 | Dillon | 34 23 13 N | 079 33 08 W |
| Catfish Bay | Swamp | 19 | Marion | 34 14 18 N | 079 25 45 W |
| Catfish Canal | Canal | 15 | Marion | 34 10 51 N | 079 24 48 W |
| Catfish Church | Church | 36 | Dillon | 34 21 56 N | 079 29 33 W |
| Catfish Creek | Stream | | Marion | 33 57 60 N | 079 28 54 W |
| Catfish Creek Baptist Church Cemetery | Cemetery | 36 | Dillon | 34 21 55 N | 079 29 31 W |
| Catfish Landing | Populated Place | 7 | Marion | 33 58 02 N | 079 28 54 W |
| Catfish Swamp | Swamp | 17 | Marion | 34 12 58 N | 079 24 35 W |
| Cathcart Cemetery | Cemetery | 215 | Spartanburg | 34 48 30 N | 081 57 39 W |
| Cathedral Church of Saint Luke and Saint Paul | Church | 5 | Charleston | 32 47 13 N | 079 56 25 W |
| Cathedral of Saint John the Baptist | Church | 5 | Charleston | 32 46 35 N | 079 56 04 W |
| Catholic Branch | Stream | | Greenwood | 33 58 47 N | 082 01 09 W |
| Catholic Hill | Populated Place | 9 | Colleton | 32 46 36 N | 080 39 39 W |
| Catholic Hill Church | Church | 10 | Colleton | 32 46 37 N | 080 39 42 W |
| Catholic Hill School (historical) | School | 11 | Colleton | 32 46 37 N | 080 39 44 W |
| Catlin Park | Park | 283 | Greenville | 34 48 34 N | 082 22 40 W |
| Cato Estates | Populated Place | 192 | York | 34 58 20 N | 081 02 37 W |
| Cato Mill School (historical) | School | 48 | Allendale | 33 06 31 N | 081 24 06 W |
| Catoe (historical) | Populated Place | 104 | Chesterfield | 34 44 23 N | 080 07 13 W |
| Catoe Church | Church | 72 | Kershaw | 34 22 48 N | 080 18 56 W |
| Caton Bay | Swamp | 23 | Berkeley | 33 12 36 N | 080 14 27 W |
| Caton Creek | Stream | | Berkeley | 33 10 22 N | 080 09 53 W |
| Cator Hall Lake | Lake | 22 | Allendale | 33 02 28 N | 081 31 16 W |
| Catos Pond | Reservoir | 141 | Aiken | 33 48 19 N | 081 36 41 W |
| Cattail Branch | Stream | | Chesterfield | 34 44 31 N | 080 22 18 W |
| Cattle Creek | Stream | | Dorchester | 33 08 33 N | 080 41 42 W |
| Cattle Creek (historical) | Populated Place | 38 | Dorchester | 33 12 21 N | 080 43 19 W |
| Cattle Creek Campground | Locale | 44 | Orangeburg | 33 19 20 N | 080 45 03 W |
| Cattle Creek Cemetery | Cemetery | 44 | Orangeburg | 33 19 22 N | 080 45 03 W |
| Cattle Creek Church | Church | 43 | Orangeburg | 33 19 23 N | 080 45 07 W |
| Cattle Creek School | School | 36 | Dorchester | 33 10 53 N | 080 43 36 W |
| Cattle Island | Island | 0 | Colleton | 32 41 14 N | 080 28 56 W |
| Caughman Lake | Reservoir | 83 | Aiken | 33 38 13 N | 081 13 11 W |
| Caughman Road Park | Park | 79 | Richland | 33 57 33 N | 080 53 53 W |
| Caughman School (historical) | School | 141 | Newberry | 34 09 06 N | 081 28 30 W |
| Caughmans Duck Pond D-1572 Dam | Dam | 95 | Fairfield | 34 29 01 N | 080 59 53 W |