- Chamber of Commerce of Greenville, South Carolina31
- Champlain Studios1
- Chatman, Luke2
- Chicora College1
- Chicora College for Women6
- Clardy, Ruth (interviewee)1
- Clayton, Faith (interviewee)1
- Clinkscale, B. J4
- Coleman, Barbara2
- Colton, J. H. (Joseph Hutchins), 1800-18931
- Columbia Stage Society (Columbia, S.C.)1
- Confederate States of America6
- Connolly, Walter (photographer)2
- Control by Coast and Geodetic Survey1
- Cook, Harvey Toliver, 1848-19431
- Cook, Joseph1
- Cooker, Caleb1
- Cooley, H.1
- Cooperative Extension Service, Clemson University6
- Cowans, James2