PK or pk may refer to:

Arts and entertainment

Gaming

  • Probability of kill (P<sub>k</sub>), 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

Other media

  • 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

Organisations

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

People

  • Prashant Kishor (born 1977), Indian political strategist turned politician
  • 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
  • Pawan Kalyan (born 1971), Indian film actor and politician
  • 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

Places

  • PK, or Busan–Gyeongnam Area, a metropolitan area in South Korea
  • Pakistan (ISO country code)
  • Possum Kingdom Lake, Texas, US
  • Pickering, Ontario, Canada
  • Peking, old name of Beijing

Science and technology

Chemistry and pharmacology

  • 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

Computing

  • Primary key, a unique attribute within the relational model of databases
  • PK, a magic number commonly used in the Zip file format
  • .pk, the country code top level domain (ccTLD) for Pakistan
  • Port knocking, a method of externally opening ports on a firewall
  • Public-key cryptography

Other uses in science and technology

  • 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

Sports

  • 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

Other uses

  • 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

See also

  • Piquet, a trick-taking card game for two players