SK

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