- Chamber of Commerce of Greenville, South Carolina1
- Chesnut, John, 1799-18391
- Cheves, Langdon, 1776-18571
- Chicora Foundation1
- Clark, Jason1
- Clark, Kenneth, 1884-19311
- Clear Springs Baptist Church (Greenville County, S.C.)1
- Clemson University, Cooperative Extension Service1
- Coffin, Thomas, 1765-18631
- Collin Rhodes Factory1
- Commercial Chrome1
- Commerical Colortype Company1
- Commission on Higher Education1
- Conniffe, Emmett R. (Emmett Robinson), 1895-19541
- Cook, Geo. L. (George L.)1
- Cook, George S.1
- Corley, [Manuel] Simeon (1823-1902)1
- Coward, James1
- Crane, W. T.1
- Crosby, David1