Yi or YI may refer to:

Philosophic principle

  • Yi (philosophy) (义; 義, righteousness, justice) among the Three Fundamental Bonds and Five Constant Virtues

Ethnic groups

  • Dongyi, the Eastern Yi, or Tung-yi (Chinese: , Yí), ancient peoples who lived east of the Zhongguo in ancient China
  • Yi people (Chinese: , Yí; Vietnamese: Lô Lô), an ethnic group in modern China, Vietnam, and Thailand

Language

  • Yi (Cyrillic), the letter of the Ukrainian alphabet written "Ї" and "ї"
  • Yi language or the Nuosu language spoken by the Yi people of China
  • Yi script, either of two scripts used to write the Yi languages
  • Yiddish (ISO 639-1 language code: yi), the historical language of the Ashkenazi Jews
  • Yi, an obsolete Japanese kana

Mythology and religion

  • Yi the Archer or Houyi, a heroic archer and hunter in Chinese mythology
  • Yi (husbandman), also known as Boyi or Bo Yi, a heroic user of fire and government minister in Chinese mythology

People

Surname

  • Yi (surname 易)
  • Yi (surname 伊)
  • Yi (Korean surname) (李,이), including
  • House of Yi, household of Joseon and the Korean Empire
  • Yi Sun-sin (1545–1598), Korean admiral

Given name

  • Lu Yi (disambiguation), several persons
  • Wu Yi (politician) (born 1938), Vice Premier of China

Places

  • Yi County (disambiguation), two counties in China
  • Yí River, a river in Uruguay
  • Yi River (Henan), a river in China
  • Serbia and Montenegro (FIPS country code: YI), a country in Southeast Europe

Other uses

  • Yi (dinosaur)
  • Yi (drinkware) (), former name for the zun, a traditional bronze drinkware of ancient China
  • Yi (prefix symbol), the prefix symbol of the binary unit prefix yobi, representing 2<sup>80</sup>, the equivalent of the decimal prefix yotta- (Y)
  • Yi (), an East Asian counting unit meaning 100,000,000
  • Yi (vessel) (), a different kind of bronze vessel used in traditional rituals in ancient China
  • YI Technology, a Chinese company that manufactures cameras and computer vision technologies
  • I Ching, or Yijing, ancient Chinese text
  • "Yi" and "iMi", songs by American indie folk band Bon Iver
  • Iraq (aircraft registration prefix YI)

See also

  • Yii
  • Yi Prefecture (disambiguation)
  • Yee (disambiguation)