- Piatnitskaia, IUliia1
- Podnieks, Yuris1
- Polianski, Nicolas1
- Polish Unit of RFE/RL Research Institute; RFE/RL RI1
- Ponomarev, I.1
- Puxon, Grattan1
- RFE Polish Underground Publications Unit1
- Radchenko, Ivan Mironovich1
- Research and Analysis Department1
- Reynolds, Howard1
- Roma Sajtóközpont Egyesület1
- Romanian Unit1
- Rosenbusch, Adam1
- Ross, Cameron1
- Ryan, Michael1
- Rybakov, Anatolii1
- Rymkiewicz, Jarosław Marek1
- Samizdat Archives at the RFE/RL Research Institute1
- Saray, Mehmet1
- Schiffer, Pál1