- Munson, Keith1
- Mural painting and decoration, American1
- Murdaugh, Mike1
- Nameplates (Plaques)1
- National Association of Rotary Clubs of America1
- Nurseries (Horticulture)1
- Nursing school administrators1
- Olin Hall (Clemson, S.C.)1
- Petroff, Gilmer, 1913-19901
- Police stations1
- Porches1
- Pottery1
- R.L. Bryan Company1
- Racquetball1
- Raynal, Charles E., Jr., 1915-19981
- Redfern Health Center (Clemson, S.C.)1
- Renovation for other use1
- Restrooms1
- Riggs Field (Clemson, S.C.)1
- Riggs Hall (Clemson, S.C.)1