| Acronym | Definition |
|---|
| PK | Park |
| PK | Peak |
| PK | Pakistan (Including Jammu & Kashmir) |
| PK | Pack |
| PK | Prekindergarten |
| PK | Primary Key |
| PK | Pumpkin |
| PK | Pike |
| PK | Procurement |
| PK | Pharmacokinetics |
| PK | Promise Keepers (Christian Men's Organization) |
| PK | Public Key (cryptography) |
| PK | Pressekonferenz (German: press conference) |
| PK | Pourquoi (French: Why) |
| PK | Pink Sheets (stock symbol) |
| PK | Pyruvate Kinase |
| PK | Penalty Kick (soccer) |
| PK | Public Knowledge |
| PK | Parkour (extreme urban sport) |
| PK | Pikachu (pokemon TV show) |
| PK | Psychokinesis |
| PK | Player Killing (gaming) |
| PK | Product Knowledge (retail) |
| PK | Peaceable Kingdom (movie) |
| PK | Pakistan International Airlines (IATA airline code) |
| PK | Peacekeeper (missile) |
| PK | Placekicker (football) |
| PK | Penalty Killing (hockey) |
| PK | Peace Keeping |
| PK | Preacher's Kid |
| PK | Pain Killer (band and medicine) |
| PK | Possum Kingdom (Texas) |
| PK | Penetrating Keratoplasty (also seen as PKP) |
| PK | Pickoff (baseball) |
| PK | Pastor's Kid |
| PK | Paradise Kiss (comic) |
| PK | Phil Katz (inventor of ZIP data compression) |
| PK | Probability of Kill |
| PK | Pyrokinesis |
| PK | Peninjauan Kembali (Indonesian: judicial review) |
| PK | Pääkirjasto (Finnish: main library) |
| PK | Peace Keeper (Farscape) |
| PK | Punto Kilométrico (Spanish) |
| PK | Paardekracht (Horse Power) |
| PK | Posta Kutusu (Turkish: Post Office Box) |
| PK | Point Known (surveying) |
| PK | Punt Kick (football) |
| PK | Power Kill (Lineage 2 gaming) |
| PK | PetroKazakhstan Inc. |
| PK | Pulemyot Kalashnikova (Russian machine gun) |
| PK | Player Killer/Killing (used in multi-player games) |
| PK | Personenkennzahl (German) |
| PK | Procureur des Konings (Belgium, Crown Public Prosecutor) |
| PK | People Killer (gaming) |
| PK | Position Keeper |
| PK | Poistumiskielto (Finnish) |
| PK | Product Knowledge meeting (Home Depot training) |
| PK | Pallati I Kongreseve (Albanian: Palace of Congresses) |
| PK | Personal Kill(s) (Lineage 2 game) |
| PK | Prospect Keeper (church software) |
| PK | Peasant Kill (Utopia gaming) |