- Okunev, N. P.1
- Olbrychski, Daniel1
- Oltványi, Ottó1
- Opat, Jaroslav1
- Open Society Fund–Prague1
- Ormos, Mária1
- Osmańczyk, Edmund Jan1
- Ożarowski, Bohdan M.1
- Pallai, Péter1
- Pallavicini-Andrássy, Borbála1
- Pelikan, Jaroslav1
- Pernal, Marek1
- Pipes, Richard1
- Polish Unit of RFE/RL Research Institute; RFE/RL RI1
- Popović, Srđa1
- Pozner, Vladimir1
- RFE Polish Underground Publications Unit1
- Ra'anan, Uri1
- Rachinskaia, E.1
- Radzikowska, Zofia1