PK or pk may refer to:
PK is a 2014 Indian satirical science fiction comedy film. The film was directed by Rajkumar Hirani, produced by Hirani and Vidhu Vinod Chopra, and written by Hirani and Abhijat Joshi.
The PK (Russian: Пулемёт Калашникова, transliterated as Pulemyot Kalashnikova, or "Kalashnikov's Machinegun"), is a 7.62 mm general-purpose machine gun designed in the Soviet Union and currently in production in Russia.
Perbadanan Kemajuan Negeri Selangor Football Club (English: Selangor State Development Corporation Football Club) or popularly known as PKNS FC is a Malaysian football club based in Petaling Jaya, Selangor.
PK Carsport is a racing team currently competing in the NASCAR Whelen Euro Series, Belcar Trophy among other series.
Protein kinase C alpha (PKCα) is an enzyme that in humans is encoded by the PRKCA gene.
PKP Cargo (WSE: PKP) is a logistics operator and a part of the PKP Group in Poland. It is the largest railway freightcarrier in Poland and second largest in the European Union.
Pyruvate kinase isozymes M1/M2 (PKM1/M2), also known as pyruvate kinase muscle isozyme (PKM), pyruvate kinase type K, cytosolic thyroid hormone-binding protein (CTHBP), thyroid hormone-binding protein 1 (THBP1), or opa-interacting protein 3 (OIP3), is an enzyme that in humans is encoded by the PKM2 gene.
PKZIP is a file archiving computer program, notable for introducing the popular ZIP file format. PKZIP was first introduced for MS-DOS on the IBM-PC compatible platform in 1989. Since then versions have been released for a number of other architectures and operating systems.
PKWARE, Inc. is an enterprise software company founded in 1986, by Phil Katz, co-inventor of the ZIP standard.