PK

PK or pk may refer to:

Arts and entertainment

Probability of kill (P_k), in computer games, simulations, models, and operations research
Disney's PK: Out of the Shadows, a 2002 video game
Player killing, player versus player conflict in MMORPGs and MUDs

PK (film), a 2014 Indian film directed by Rajkumar Hirani and starring Aamir Khan
- PK (soundtrack), its soundtrack by Shantanu Moitra, Ajay–Atul and Ankit Tiwari
Paperinik, a cartoon character
Peacekeepers (Farscape), in the Farscape television show

Pakistan International Airlines (IATA airline code)
Polyteknikkojen Kuoro, a Finnish academic male choir
Promise Keepers, a Christian men's organization
Swedish Publicists' Association (Swedish: Publicistklubben), Swedish journalist organization

P.K (producer), of the South Korean music production duo Future Bounce
P. K. van der Byl (1923–1999), Rhodesian politician
P. K. Subban (born 1989), hockey player
Paul Kalkbrenner (born 1977), electronic musician
Phil Katz (1962–2000), creator of the PKZIP file compression software
Philip K. Wrigley (1894–1977), American chewing gum manufacturer
Paul Kagame (born 1957), President of Rwanda
Patricia Karvelas, Australian radio presenter, current affairs journalist and political correspondent

pK, negative logarithm of the dissociation constant K (-logK)
Pharmacokinetics, a branch of pharmacology dedicated to determining the fate of substances administered to a living organism

PK machine gun, a Soviet weapon, abbreviated from Pulemyot Kalashnikova (Kalashnikov machine gun)
Horsepower (Dutch abbreviation paardenkracht)
Pentax K-mount, a camera lens mount
Catalogue of galactic planetary nebulae (Perek-Kohoutek), in astronomy
Renault PK, a car made by Pars Khodro between 2000 and 2005
PK screws, self-tapping screws (Parker-Kalon) for sheet metal

Parkour, the activity or sport of moving rapidly through an area, typically urban, negotiating obstacles by running, jumping, and climbing
Penalty kick (association football)
Penalty kill, in ice hockey
Placekicker, in American football

Point kilométrique (English: Kilometric point), a measurement of distance travelled
Preacher's kid, a child of a pastor
SAS President Kruger (F150), a former ship of the South African Navy
Psychokinesis, an alleged psychic ability allowing a person to influence objects without physical interaction
Pre-kindergarten
Indonesia (aircraft registration prefix PK)
PK, in List of chewing gum brands