Ki or KI may refer to:

Music

* ''Ki'' (album), a 2009 album by Devin Townsend Project * ''Ki'', a 1979 album by Kitarō * "Ki", a song from the album '' Minecraft – Volume Beta'' by C418

Businesses and organizations

* Klaksvíkar Ítróttarfelag, a Faroese semi-professional football club *

Karolinska Institute The Karolinska Institute (KI; ; sometimes known as the (Royal) Caroline Institute in English) is a research-led medical university in Solna within the Stockholm urban area of Sweden and one of the foremost medical research institutes globally ...

, Swedish university * Kenyon Institute, a British research institute in Jerusalem * Adam Air (2002–2008), an Indonesian airline *

Kiwanis International Kiwanis International ( ) is an international service club founded in 1915 in Detroit, Michigan. It is headquartered in Indianapolis, Indiana, United States, and is found in more than 80 nations and geographic areas. In 1987, the organization ...

, service club

Language

* Ki language, a Southern Bantoid language of Cameroon * Ki (kana), a Japanese syllabic character * Ki (cuneiform), a sign in cuneiform writing * Gikuyu language, ISO 639-1 code:ki

Names

Ki (Korean surname) Ki () also romanized as Gi or Kee, is a Korean family name. According to the 2015 census, there were 29,062 people with this surname in South Korea. It is written with four different hanja. Notable people Notable people of the past * Ki Cha-o ( ...

, a Korean surname * Ki or

Qi (surname) Qi is the romanization of several Chinese family names, including 祁 (Qí), 齊/齐 (Qí), 戚 (Qī), 乞 (Qí), 奇 (Qí), 亓 (Qí) and 綦 (Qí). Qí (祁) surname Qi (祁, also commonly written as Chi, and Kei in Cantonese) is a Chinese sur ...

* Ki or

Ji (surname) Ji is the pinyin romanization of a number of distinct Chinese surnames that are written with different Chinese characters, characters in Chinese. Depending on the character, it may be spelled Jī, Jí, Jǐ, or Jì when Tone (linguistics), tone diac ...

Places

Kangaroo Island Kangaroo Island (, ) is Australia's third-largest island, after Tasmania and Melville Island, Northern Territory, Melville Island. It lies in the state of South Australia, southwest of Adelaide. Its closest point to the mainland is Snapper Poi ...

, South Australia * Ki Monastery, in India * Kiawah Island, South Carolina, United States *

King Island (Tasmania) King Island is an island in Bass Strait, belonging to the Australian state of Tasmania. It is the largest of four islands known as the New Year Island (Tasmania), New Year Group and the second-largest island in Bass Strait (after Flinders Islan ...

, Australia * Kings Island, Ohio, United States, amusement park owned by Cedar Fair Entertainment Company *

Kiribati Kiribati, officially the Republic of Kiribati, is an island country in the Micronesia subregion of Oceania in the central Pacific Ocean. Its permanent population is over 119,000 as of the 2020 census, and more than half live on Tarawa. The st ...

** .ki, the ISO 3166-1 alpha-2 country code top level domain for Kiribati *

Kitchenuhmaykoosib Inninuwug First Nation Kitchenuhmaykoosib Inninuwug (Oji-Cree language, Oji-Cree: ᑭᐦᒋᓇᒣᑯᐦᓯᑊ ᐃᓂᓂᐧᐊᐠ (''Gichi-namegosib ininiwag''); unpointed: ᑭᒋᓇᒣᑯᓯᑊ ᐃᓂᓂᐧᐊᐠ or ᑭᐦᒋᓇᒣᑯᐦᓯᐱᐎᓂᓂᐗᐠ (''Gichi- ...

Religion and metaphysics

Ki (goddess) Ki (Sumerian: ) was the earth goddess in Sumerian religion, chief consort of the sky god An. In some legends, Ki and An were brother and sister, being the offspring of Anshar ("Sky Pivot") and Kishar ("Earth Pivot"), earlier personifications of ...

* '' Qi'', or ''ki'' in Japanese, a vital force according to Chinese culture that forms part of any living thing

Science and technology

Biology and chemistry

* Ti (plant), also called Kī * ''K''_i, an

equilibrium constant The equilibrium constant of a chemical reaction is the value of its reaction quotient at chemical equilibrium, a state approached by a dynamic chemical system after sufficient time has elapsed at which its composition has no measurable tendency ...

for a chemical reaction or process "i": **

dissociation constant In chemistry, biochemistry, and pharmacology, a dissociation constant (''K''D) is a specific type of equilibrium constant that measures the propensity of a larger object to separate (dissociate) reversibly into smaller components, as when a complex ...

applicable to process, abbreviated as "i". ** a measure of the binding affinity of a ligand to a biomolecule * Potassium iodide, chemical formula KI * Gene knockin or Knock-in, a genetic engineering method * Ki Database, a database of biochemical information

Computing

* Ki (prefix symbol), the prefix symbol of the binary unit prefix kibi * Ki, International Electrotechnical Commission standard symbol for number 1024 * K-I algorithm, Kittler and Illingworth iterative algorithm for image segmentation thresholding * Ki (or K_i), the unique cryptographic key of each cell phone's SIM card

Other uses

* Knowledge integration, in epistemology * Grover C. Winn (1886–1943), nicknamed "Ki", American lawyer and politician