| Pittsburgh Public Theater | Pittsburgh Public Theater | 1984 | 1 | |
| Peer Gynt Sommermøte 2009 | Peer Gynt Sommermøte 2009 | 2009 | 1 | |
| Plan B Entertainment | Plan B Entertainment | 2025 | 1 | |
| Petofi Színház | Petofi Színház | 2005 | 1 | |
| Projektions-AG Union | Projektions-AG Union | 1923 | 2 | |
| Porsgrunn Internasjonale Teaterfestival | Porsgrunn Internasjonale Teaterfestival | 1999 – 2010 | 6 | |
| Peking Normal College for Women | Peking Normal College for Women | 1923 | 1 | |
| Periferifestivalen | Periferifestivalen | 2007 | 2 | |
| Primary Stages | Primary Stages | 2024 | 1 | |
| Performing Arts of Chinese Americans in Greater Chicago | Performing Arts of Chinese Americans in Greater Chicago | 2006 | 2 | |
| Pymble Players Inc | Pymble Players Inc | 2006 | 1 | |
| Pit Company, The | The Pit Company | 1904 | 1 | |
| PlayMakers Repertory Company | PlayMakers Repertory Company | 2015 | 1 | |
| Phoenix Players, The | The Phoenix Players | 1966 – 2006 | 3 | |
| Piccolo Teatro di Milano | Piccolo Teatro di Milano - Teatro d'Europa | 2022 | 2 | 1 |
| Piccola compagnia impertinente | Piccola compagnia impertinente | 2022 – 2023 | 1 | 1 |
| Progetto Next Theatre | Progetto Next Theatre | 2018 | 1 | 1 |
| Plexus Polaire | Plexus Polaire | 2023 – 2025 | 38 | 1 |
| Peer Gynt as | Peer Gynt as | 2006 – 2022 | 110 | 2 |
| PBS | PBS | 1992 | 4 | 2 |
| Purdue Theatre | Purdue Theatre | 1999 – 2009 | 4 | 2 |
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