| Abbreviation | Definition |
|---|---|
| PJU | Physique & Jogging in Ulster |
| PK | Number of Players Killed |
| PK | Parkour (Running sport originating in France) |
| PK | Penalty Kick |
| PK | Penalty King |
| PK | Personality Kill |
| PK | Philippino Kickboxing |
| PK | Platyrhynchos Kineticus (computer game) |
| PK | Player Kill |
| PK | Player Killer |
| PK | Player Killing |
| PKA | Player Killers Anonymous |
| PKA | Portland Karting Association |
| PKA | Professional Karting Association |
| PKA | Professional Kickboxing Association |
| PKB | Peruvian KnuckleBuster |
| PKB | Point KickBoxing |
| PKC | Player Kill Central |
| PKF | Panamerican Karate Federation |
| PKK | Player Killer Killer |