- Orshanskii, Boris1
- Országh, György1
- Osokin, Georgii1
- Ovechkina, E.I.1
- Pavlova, Svetlana1
- Peck, Marshall1
- Petry, Margit1
- Pfaff, William1
- Pipes, Richard1
- Pirityi, Sándor1
- Pisarek, Walery1
- Prudkov, N.1
- Punchev, Borislav1
- Radó, Gyula1
- Rannit, Aleksis1
- Rezes, György1
- Romashkin, P. S.1
- Ronall, Joachim O.1
- Rylskyi, Maksym1
- Ránki, György1