- Niebuhr, Reinhold, 1892-19713
- Noel-Baker, Philip, 1889-19821
- Norman, Dorothy, 1905-19971
- O'Connor, Basil, 1892-19724
- O'Conor, Herbert R. (Herbert Romulus), 1896-19601
- O'Mahoney, Joseph C. (Joseph Christopher), 1884-19622
- O'Ryan, John F.1
- Oakes, John B. (John Bertram), 1913-20011
- Onassis, Jacqueline Kennedy, 1929-19941
- Oppenheimer, J. Robert, 1904-19671
- Osborne, Lithgow and Mrs.7
- Ottman, William4
- Oxnam, G. Bromley (Garfield Bromley), 1891-19632
- Palestine Economic Corporation3
- Parran, Thomas, Jr., 1892-19684
- Pastore, John O. (John Orlando), 1907-20001
- Patman, Wright, 1893-19761
- Patterson, Richard C., Jr. (Richard Cunningham), 1886-19661
- Patterson, Robert Porter, 1891-19522
- Pell, Herbert Claiborne, 1884-19613
- Pepper, Claude, 1900-19897
- Phelps, Phelps5
- Pink, Louis H. (Louis Heaton), 1882-19556
- Pius XII, Pope, 1876-19581
- Poletti, Charles, 1903-200210
- Pool, David de Sola and Mrs.3
- Pope, Generoso, 1891-195011
- Powell, Adam Clayton, Jr., 1908-19722
- Proskauer, Joseph M. (Joseph Meyer), 1877-19712
- Pulitzer, Edith1
- Purtell, William A.1
- Quill, Mike, 1905-19663
- Rabinowitz, Aaron, 1884-19731
- Raskob, John J. (John Jakob), 1879-19502
- Rayburn, Sam, 1882-19611
- Reid, Odgen R.1
- Reuther, Walter P.2
- Richards, Bernard G.1
- Robinson, Joseph T.1
- Rockefeller, John D., III (John Davison), 1906-19781
- Roe, James A., 1896-19671
- Rogers, Lindsay, 1891-19703
- Rooks, Lowell W.1
- Rooney, John J.1
- Roosevelt, Anna, 1906-19755
- Roosevelt, Eleanor, 1884-19624
- Roosevelt, Franklin D. (Franklin Delano), 1882-194517
- Roosevelt, Franklin D., Jr. (Franklin Delano), 1914-19881
- Roper, Elmo, 1900-19711
- Rose, Alex, 1898-2
- Rosenberg Case1
- Rosenberg, James N. (James Naumburg), 1874-19704
- Rosenman, Samuel I. (Samuel Irving), 1896-19733
- Rossbach, J. Howard3
- Rossbach, Max J.H. and Mrs.11
- Rowe, L. S. (Leo Stanton), 1871-19461
- Russell, Richard B. (Richard Brevard), 1897-19711
- Ryan, William F. (William Fitts), 1922-19721
- Sachar, Abram Leon, 1899-19931
- Sayre, Francis Bowes, 1885-19722