- Pinckney, Thomas, 1750-18281
- Pinson, Ginger1
- Poland, Thomas M. 1949-1
- Porcher, Isabella Sarah Peyre (1803-1890)1
- Poyas, James1
- Price, Jimmy1
- Public Broadcasting Service (U.S.)1
- R. H. McAdams, Due West, S.C.1
- Raban1
- Rainsford, Bettis C.1
- Randolph-Macon College Department of History and Government1
- Raphael Tuck and Sons1
- Richard Wearn1
- Richland County Public Library (S.C.)1
- Rinzler, Ralph1
- Roberts, Richard Samuel, -19361
- Rogers, Edythe M.1
- Romine, Ron1
- Roper Hospital (Charleston, S.C.)1
- Russell, John, (c. 1750-1829) (cartographer)1