- North Augusta High School (North Augusta, S.C.)1
- Occupational training, Military1
- Oliver General Hospital1
- Orchestras1
- Osceola, Seminole chief, 1804-18381
- Oxner, G. Dewey, 1898-19621
- Pageants1
- Paleologos, Nicholas G.1
- Palmetto State Teacher's Association (S.C.)1
- Palmetto State Teachers Association1
- Pamplin, Katherine Reese, 1917-20091
- Papajohn, Pete, 1894-1
- Paperboys1
- Patriots' Day1
- Patton, M. G. (Melvin Glenn), 1892-19611
- Peace1
- Peach industry1
- Pearce, C. C. (Christopher Columbus), Jr., 1900-19771
- Pensions1
- Periodicals1