PK or pk may refer to:

Arts and entertainment

Gaming

* 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

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 Paperinik (), also known as PK (Italy, ), Superduck (UK and Digicomics) or Duck Avenger (US), is a comic book-costumed vigilante and Donald Duck's alter ego. The character was created in Italy by Elisa Penna, Guido Martina and Giovan Battista ...

, 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 Promise Keepers is an Evangelical Christian parachurch organization for men. It opposes same-sex marriage, and champions chastity and marital fidelity and the man as being head of the household. Promise Keepers originated in the United Sta ...

, a Christian men's organization * Swedish Publicists' Association (Swedish: ), Swedish journalist organization

People

* P.K (producer), of the South Korean music production duo Future Bounce * P. K. van der Byl (1923–1999), Rhodesian politician *

P. K. Subban Pernell-Karl Sylvester Subban ( ; born May 13, 1989) is a Canadian former professional ice hockey defenceman. Between 2009 and 2022, he played 13 seasons in the National Hockey League (NHL) with the Montreal Canadiens, Nashville Predators, and ...

(born 1989), hockey player * Paul Kalkbrenner (born 1977), electronic musician *

Pawan Kalyan Konidela Pawan Kalyan (born Konidela Kalyan Kumar; 2 September 1971) is an Indian politician, actor, philanthropist, and martial artist serving as the List of deputy chief ministers of Andhra Pradesh, 11th Deputy Chief Minister of Andhra Prade ...

(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 Busan–Gyeongnam Area, also known as Pusan–Kyŏngnam (PK) is the metropolitan area of Busan, Ulsan, and Gyeongsangnam-do (Gyeongnam) located in southeast South Korea. History Until 1963, before Busan become a "List of special cities of South ...

, a metropolitan area in South Korea *

Pakistan Pakistan, officially the Islamic Republic of Pakistan, is a country in South Asia. It is the List of countries and dependencies by population, fifth-most populous country, with a population of over 241.5 million, having the Islam by country# ...

(ISO country code) * Possum Kingdom Lake, Texas, US *

Pickering, Ontario Pickering (2021 Canadian census, 2021 population 99,186) is a city located in Southern Ontario, Canada, immediately east of Toronto in Durham Region, Ontario, Durham Region. Beginning in the 1770s, the area was settled by primarily British colon ...

, 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 Public-key cryptography, or asymmetric cryptography, is the field of cryptographic systems that use pairs of related keys. Each key pair consists of a public key and a corresponding private key. Key pairs are generated with cryptographic alg ...

Other uses in science and technology

* PK machine gun, a Soviet weapon, abbreviated from ''Pulemyot Kalashnikova'' (Kalashnikov machine gun) *

Horsepower Horsepower (hp) is a unit of measurement of power, or the rate at which work is done, usually in reference to the output of engines or motors. There are many different standards and types of horsepower. Two common definitions used today are t ...

(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 Parkour () is an athletic Training#Physical training, training discipline or sport in which practitioners (called ''traceurs'') attempt to get from one point to another in the fastest and most efficient way possible, without assisting equipment ...

, the activity or sport of moving rapidly through an area, typically urban, negotiating obstacles by running, jumping, and climbing *

Penalty kick (association football) A penalty kick (commonly known as a penalty or a spot kick) is a method of restarting play in association football, in which a player is allowed to take a single shot at the goal while it is defended only by the opposing team's Goalkeeper (asso ...

* Penalty kill, in ice hockey *

Placekicker In gridiron football, the placekicker (PK), or simply kicker (K), is the player responsible for attempts at scoring Field goal (football), field goals and extra points. In most cases, the placekicker also serves as the team's kickoff specialist ...

, 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 An aircraft registration is a code unique to a single aircraft, required by international convention to be marked on the exterior of every civil aircraft. The registration indicates the aircraft's country of registration, and functions much li ...

prefix PK) * PK, in List of chewing gum brands