| Abbreviation | Definition |
|---|---|
| PKK | Partiya Karkerên Kurdistan (Kurdistan Workers Party) |
| PKMAP | PashtoonKhwa Milli Awami Party |
| PKMS | Pertubuhan Kebangsaan Melayu Singapura (Singapore Malay National Organization) |
| PKN | Parti Keadilan Nasional |
| PKP | Polgári Konzervatív Párt |
| PKR | Parti Keadilan Rakyat (People's Justice Party) |
| PKT | Post-Keynesian Thought |
| PL | Partido Liberal |
| PL | Party Leader |
| PLDC | Partido Liberal Democratico de Cuba |
| PLDP | People's Liberal Democratic Party |
| PLE | Politics Law and Economics |
| PLE | Politics Law Economics |
| PLG | Partido Liberal Gallego |
| PLKP | Labor Party People's Crusade (Netherlands Antilles) |
| PLKP | Partido Laboral Krusada Popular (Spanish: Krusa People's Labor Party) |
| PLM | Politico Legal Media (complex) |
| PLMR | Political Lobbying and Media Relations |
| PLO | Palestine Liberation Organization |
| PLP | Parliamentary Labour Party |