# Yi

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**Yi** or **YI** may refer to:

## Philosophic principle

- [Yi (philosophy)](/source/Yi_(philosophy)) (义; 義, righteousness, justice) among the Three Fundamental Bonds and Five Constant Virtues

## Ethnic groups

- [Dongyi](/source/Dongyi), the Eastern Yi, or Tung-yi (Chinese: 夷, *Yí*), ancient peoples who lived east of the Zhongguo in ancient China
- [Yi people](/source/Yi_people) (Chinese: 彝, *Yí*; Vietnamese: *Lô Lô*), an ethnic group in modern China, Vietnam, and Thailand

## Language

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

## Mythology and religion

- [Yi the Archer](/source/Yi_the_Archer) or Houyi, a heroic archer and hunter in Chinese mythology
- [Yi (husbandman)](/source/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)](/source/Yi_(surname_%E6%98%93))
- [Yi (surname 伊)](/source/Yi_(surname_%E4%BC%8A))
- [Yi (Korean surname)](/source/Yi_(Korean_surname)) (李,이), including - [House of Yi](/source/House_of_Yi), household of Joseon and the Korean Empire - [Yi Sun-sin](/source/Yi_Sun-sin) (1545–1598), Korean admiral

### Given name

- [Lu Yi (disambiguation)](/source/Lu_Yi_(disambiguation)), several persons
- [Wu Yi (politician)](/source/Wu_Yi_(politician)) (born 1938), Vice Premier of China

## Places

- [Yi County (disambiguation)](/source/Yi_County_(disambiguation)), two counties in China
- [Yí River](/source/Y%C3%AD_River), a river in Uruguay
- [Yi River (Henan)](/source/Yi_River_(Henan)), a river in China
- [Serbia and Montenegro](/source/Serbia_and_Montenegro) (FIPS country code: YI), a country in Southeast Europe

## Other uses

- [*Yi* (dinosaur)](/source/Yi_(dinosaur))
- [Yi (drinkware)](/source/Yi_(drinkware)) (彝), former name for the *zun*, a traditional bronze drinkware of ancient China
- [Yi (prefix symbol)](/source/Yi_(prefix_symbol)), the prefix symbol of the binary unit prefix *yobi*, representing 280, the equivalent of the decimal prefix *yotta-* (Y)
- *Yi* (), an East Asian counting unit meaning [100,000,000](/source/100,000,000)
- [Yi (vessel)](/source/Yi_(vessel)) (匜), a different kind of bronze vessel used in traditional rituals in ancient China
- [YI Technology](/source/YI_Technology), a Chinese company that manufactures cameras and computer vision technologies
- *[I Ching](/source/I_Ching)*, or *Yijing*, ancient Chinese text
- ["Yi" and "iMi"](/source/Yi_and_iMi), songs by American indie folk band Bon Iver
- Iraq ([aircraft registration](/source/Aircraft_registration) prefix YI)

## See also

- [Yii](/source/Yii)
- [Yi Prefecture (disambiguation)](/source/Yi_Prefecture_(disambiguation))
- [Yee (disambiguation)](/source/Yee_(disambiguation))

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Adapted from the Wikipedia article [Yi](https://en.wikipedia.org/wiki/Yi) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/Yi?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.