Ji
# Ji

Ji may refer to:

## Names and titles

* Ji (surname), the pinyin romanization of several distinct Chinese surnames
* Ji (Korean name), a Korean surname and element in given names (including lists of people with the name)
* -ji, an honorific used as a suffix in many languages of India
* J.I the Prince of N.Y, American rapper J.I.
* Ji (or Hou Ji), the legendary founder of the Zhou dynasty

## Places in China

* Jì (冀), pinyin abbreviation for the province of Hebei
* Jí (吉), pinyin abbreviation for the province of Jilin
* Ji (state), an ancient Chinese state
* Ji City (disambiguation), several places
* Ji County (disambiguation), several places
* Ji Prefecture (Shandong), a prefecture in imperial China
* Ji Province, one of the Nine Provinces of ancient China
* Ji River, either of two former rivers

## Organizations

* Jamaat-e-Islami (disambiguation), several organizations
* Jemaah Islamiyah (JI), a Southeast Asian militant Islamist rebel group
* Jurong Institute (JI), a now-defunct pre-university institution in Singapore
* JI, IATA code for Meraj Airlines since 2010
* JI, IATA code for Midway Airlines (1993–2003)

## Other uses

* Ji (film), a 2005 Indian Tamil film starring Ajith and Trisha Krishnan
* Ji (monk) (632–682), Chinese monk
* Ji (polearm) (戟), a kind of Chinese polearm
* Ji Koizumi, a character in the anime Guru Guru Pon-chan
* Just intonation, an alternative, and often subordinate to the contemporary Western establishment, tuning concept employed in various musical-compositional procedures and theories
* Joint Implementation (JI), one of the flexibility mechanisms of the Kyoto Protocol
* There are two different kana (Japanese script) letters that are romanized as ji:
   * じ: Shi (し) with dakuten (voicing marks)
   * ぢ: Chi (ち) with dakuten
* Another name for the Chinese hairpin
* JI, Tsurumi Line, a line operated by the East Japan Railway Company
* JI, Hitahikosan Line, a line operated by the Kyushu Railway Company
