South Carolina - Criteria: A (event)
| Burdette Building |
| Burroughs School |
| Burt, Armistead, House |
| Byrd, J. A., Mercantile Store |
| Cainhoy Historic District |
| Calhoun County Courthouse |
| Calhoun, John C., State Office Building |
| Calhoun Mill |
| Calhoun, Patrick, Family Cemetery |
| Callawassie Sugar Works |
| Camden Battlefield |
| Campbell's Covered Bridge |
| Camp Saxton Site |
| Camp Welfare |
| Cannon Building |
| Cannon, W. E., House and Store |
| Cape Romain Lighthouses |
| Carnegie Public Library |
| Carolina Supply Company |
| Carroll, Chancellor James P., House |
| Carver Theatre |
| Cassina Point |
| Castle Pinckney |
| Catawba Rosenwald School |
| Catfish Creek Baptist Church |
| Cattle Creek Campground |
| Cattle Mound #6 |
| Cayce, William J., House |
| Cedar Bluff |
| Cedar Grove Plantation Chapel |
| Cedar Springs Historic District |
| Central Baptist Church |
| Central Graded School |
| Central High School |
| Central Roller Mills |
| Century House |
| Chamber of Commerce Building |
| Champion and Pearson Funeral Home |
| Charleston Cemeteries Historic District |
| Charleston Consolidated Railway, Electric and Gas Company Car House |
| Charleston Historic District |
| Charleston Naval Hospital Historic District |
| Charleston Navy Yard Officers' Quarters Historic District |
| Charleston's French Quarter District |
| Charlotte Avenue-Aiken Avenue Historic District |
| Cheraw Historic District |
| Cherry Hill School |
| Chester City Hall and Opera House |
| Chester Historic District |
| Chicora Wood Plantation |
| Chinaberry |
| Christ Church |
| Christ Church (Episcopal) and Churchyard |
| Christ Episcopal Church |
| Church of the Holy Apostles Rectory |
| Church Street Historic District |
| Cigar Factory |
| Citizens and Southern National Bank of South Carolina |
| City of Camden Historic District |
| Civilian Conservation Corps Quarry No. 1 and Truck Trail |
| Civilian Conservation Corps Quarry No. 2 |
| Claflin College Historic District |
| Clarkson Farm Complex |
| Claussen's Bakery |
| Clemson College Sheep Barn |
| Clemson University Historic District I |
| Clemson University Historic District II |
| Cleveland Law Range |
| Clinton AME Zion Church |
| Clinton Commercial Historic District |
| Clio Historic District |
| Clover Downtown Historic District |
| Coffin Point Plantation |
| Coffin Point Plantation Caretaker's House |
| Cohasset |
| Coker Experimental Farms |
| Coker, J. L., Company Building |
| Coker Spring |
| Colleton County Courthouse |
| Columbia Canal |
| Columbia City Hall |
| Columbia Commercial Historic District |
| Columbia Electric Street Railway, Light & Power Substation |
| Columbia Historic District I |
| Columbia Mills Building |
| Columbia Township Auditorium |
| Colvin-Fant-Durham Farm Complex |
| Coming Street Cemetery |
| Confederate Printing Plant |
| """Congarees"" Site" |
| Converse College Historic District |
| Converse Heights Historic District |
| Converse Mill |
| Conway Downtown Historic District |
| Cook's Lake Cattle Mound |
| Cook's Old Field Cemetery |
| Cooner's Cattle Mound |
| Cooper River Historic District |
| Coopersville Ironworks Site (38CK2) and Susan Furnace Site (38CK67) |
| Cope Depot |
Data from United States Park Service and Wikidata
