- Carson, Carolyn Barr 1924-1
- Cary, John, approximately 1754-18351
- Charles, Allan D.1
- Clason Map Co.1
- Colton, Charles B. (1831-1916) (publisher)1
- Colton, G. Woolworth (George Woolworth), 1827-19011
- Colton, J. H. (Joseph Hutchins) 1800-18931
- Colton, J. H. (Joseph Hutchins) 1800-1893 1
- Conder, Thomas, 1746 or 1747-1831 (engraver)1
- Conniffe, Emmett R. (Emmett Robinson), 1895-19541
- Control by C.B. Kendall.1
- Control by Coast and Geodetic Survey1
- Control by Sledge Tatum, Albert Pike and Oscar Jones1
- Control line and topography by M. Hackett1
- Cook, James1
- Cook, James, 1728-17791
- Cooper, Robert, active 1795-1836 (Cartographer)1
- Cowley, R. (Cartographer)1
- CoĢvens et Mortier1
- Cram, George Franklin, 1841-1928 (Engraver and publisher)1