- Pancoast, J. Arthur1
- Patterson, Robert Porter, 1891-19521
- Pawnee Indian Tribe of Oklahoma1
- Pell, Claiborne, 1918-20091
- Pellegrino, Shelley, J.1
- Perkins, Milo, 1900-19721
- Petersen, Howard C. (Howard Charles), 1910-19951
- Pitts, Lewis, 1947-1
- Principi, Anthony Joseph, 1944-1
- Randolph, A. Philip (Asa Philip), 1889-19791
- Rasco, Carol H. (Carol Hampton), 1948-1
- Regan, Donald T.1
- Reich, Robert B.1
- Republican Party (U.S. 1854- )1
- Rich, Frank1
- Rockefeller, John D., IV (John Davison), 1937-1
- Rockefeller, Nelson A. (Nelson Aldrich), 1908-19791
- Rogers, Harold, 1937-1
- Royall, Kenneth C. (Kenneth Claiborne), 1894-19711
- Rudman, Warren B.1
