- Open Society Foundation for Albania1
- Open Society Fund–Bosnia and Herzegovina1
- Open Society Fund–Prague1
- Open Society Institute–Croatia1
- Open Society Institute–Sofia1
- Pająk, Henryk1
- Partos, Gabriel1
- Pawlikowski, Paul1
- Peukert, Detlev J. K.1
- Pfaff, William1
- Pine, Rachael N.1
- Pipes, Richard1
- Plavšić, Prvoslav S.1
- Pliukhanov, B. V.1
- Polish Unit of RFE/RL Research Institute; RFE/RL RI1
- Pomogáts, Béla1
- Portuges, Catherine1
- Poulton, Hugh1
- Publications Department1
- Read, Piers Paul1