SK may refer to:

People

  • SK (actor) or Sivakarthikeyan, Indian actor
  • Salman Khan or SK, Indian actor
  • Shahram Kashani (SK), an Iranian-American singer
  • Shakib Khan, Bangladeshi film actor, known by the initialism SK
  • Søren Kierkegaard, Danish philosopher and theologian

Businesses and organizations

  • SK Foods, an American agribusiness company
  • SK Hand Tools, an American tool manufacturer
  • Sangguniang Kabataan, Philippines youth councils
  • SK Group, South Korean conglomerate
  • Scandinavian Airlines (IATA code SK)
  • Silicon Knights, a Canadian video game developer

Places

Slovakia

  • Slovakia (ISO country code)
  • ISO 3166-2:SK, codes for the regions of Slovakia
  • .sk, the internet country code top-level domain for Slovakia
  • Slovak koruna, a former currency of Slovakia
  • Slovak language (ISO 639-1 language code "sk")

Other

  • sk. sokak, Turkish postal abbreviation
  • South Korea, an Asian country
  • Saskatchewan, a Canadian province by postal abbreviation
  • Sikkim, a state in northeastern India (ISO 3166-2 code)
  • Kingdom of Sikkim, a former monarchy in South Asia (ISO 3166-1 alpha-2 code: SK, now deprecated), an Indian protectorate merged with it as a state in 1975
  • Svidník, Slovakia, vehicle plates
  • Sisak, vehicle plate for city in Croatia
  • South Kingstown, Rhode Island, a United States town
  • Sultan Kudarat, province in Soccsksargen, the Philippines

Science and technology

  • sk (unit) (Skot), an old and deprecated unit of measurement for dark luminance
  • SK (people mover), a vehicle
  • SK calculus, an alternate form of SKI combinator calculus
  • SK radar, an American air-search radar used during World War II
  • Silent key, an amateur radio operator who has died
  • "Stop keying", a prosign used in Morse code
  • Super-Kamiokande, a Japanese neutrino detector

Biology

  • SK channel, small conductance calcium-activated potassium channels, a family of ion channels

Medicine

  • Solar keratosis or senile keratosis
  • Streptokinase, a bacterial enzyme used in the treatment of blood clots

Sport

  • SK Gaming, an electronic sports team

Other uses

  • Regulation S-K, regarding financial statements in the United States
  • Sekolah Kebangsaan, a type of school in Malaysia
  • Storekeeper, a naval rating in the United States Navy
  • Senran Kagura (SK), video game series
  • Satakunnan Kansa, a Finnish newspaper