| Paris, Gloria | Gloria Paris | Director | 1999 | 11 | 1 |
| Prentice, Herbert, M. | Herbert M. Prentice | Director | 1935 - 1939 | 2 | |
| Pichon, Michael | Michael Pichon | Director | 1919 | 1 | |
| Poritzky, J., E. | J. E. Poritzky | Director | 1915 | 1 | |
| Păun, Ioana | Ioana Păun | Director | 2015 - 2016 | 4 | |
| Petherbridge, Louise | Louise Petherbridge | Director | 2017 | 1 | |
| Potter, Allen | Allen Potter | Director | 1948 | 1 | |
| Prodan, Ion | Ion Prodan | Director | 1987 | 1 | |
| Pinte, Gavriil | Gavriil Pinte | Director | 2006 | 1 | |
| Puican, Dan | Dan Puican | Director | 1984 | 1 | |
| Pejtscheva, Svetlana | Svetlana Pejtscheva | Director | 1977 | 1 | |
| Pelletier, Luce | Luce Pelletier | Director | 2017 | 1 | |
| Pinkowski, Andrea | Andrea Pinkowski | Director | 2017 | 1 | |
| Papadakis, Stelios | Stelios Papadakis | Director | 1978 | 1 | |
| Pouyan, Ali | Ali Pouyan | Director | 2017 | 1 | |
| Penev, Milen | Milen Penev | Director | 1980 | 1 | |
| Penn, Arthur | Arthur Penn | Director | 1981 | 1 | 1 |
| Piper, Mark | Mark Piper | Director | 1981 | 1 | |
| Pautsch, Breahan | Breahan Pautsch | Director | 2017 | 1 | |
| Pfeiffer, Carl Ludvig | Carl Ludvig Pfeiffer | Director | 1879 | 1 | |
| Pawelec, Dariusz | Dariusz Pawelec | Director | 1989 | 1 | |
| Penino, Raúl | Raúl Penino | Director | 1993 | 1 | |
| Preissler, Peter | Peter Preissler | Director | 2018 | 5 | |
| Pappacena, Lucio | Lucio Pappacena | Director | 2018 | 1 | |
| Payne, Patrick | Patrick Payne | Director | 2018 | 1 | |
| Potter-Dineen, Joshua | Joshua Potter-Dineen | Director | 2018 | 1 | |
| Penford, Adam | Adam Penford | Director | 2019 | 1 | |
| Putnik, Jovan | Jovan Putnik | Director | 1940 | 1 | |
| Pinedo, Abril | Abril Pinedo | Director | 2019 - 2023 | 2 | |
| Paolantonio, José María | José María Paolantonio | Director | 1976 | 1 | |
| Planella, Pere | Pere Planella | Director | 1978 | 1 | |
| Potik, Boris Osipovič | Boris Osipovič Potik | Director | 1955 | 1 | |
| Platon, Ivan, Stepanovič | Ivan Stepanovič Platon | Director | 1907 - 1909 | 2 | |
| Petrejkov, L. | L. Petrejkov | Director | 1957 | 1 | |
| Pastor, Juan | Juan Pastor | Director | 1988 | 1 | |
| Pota-Koljević, Melina | Melina Pota-Koljević | Director | 2011 | 1 | |
| Powell, Frank | Frank Powell | Director | 1917 | 1 | |
| Poselsky, Yakov | Yakov Poselsky | Director | 1918 | 1 | |
| Pettersson, Lars-Göran | Lars-Göran Pettersson | Director | 2006 | 1 | |
| Phillips, Matthew (Scott) | Matthew (Scott) Phillips | Director | | 1 | |
| Ponzi, Maurizio | Maurizio Ponzi | Director | 1980 | 1 | |
| Proll, Jens-Peter | Jens-Peter Proll | Director | 1966 | 1 | |
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