Ji

Ji or ji may refer to:

• Ji (surname), including:
  • Ji (surname 姬), the royal surname of the Zhou dynasty
  • Ji (surname 姞), the royal surname of the states of Southern Yan, Mixu, and Bi
  • Ji (surname 己), the royal surname of the states of Ju, Tan, and Wen
  • Ji (surname 纪), the 122nd most common surname in China
  • Ji (surname 季), the 142nd most common surname in China
  • Ji (surname 吉), the 195th most common surname in China
  • Ji (surname 冀), the 294th most common surname in China
  • Ji (surname 嵇)
  • Ji (surname 计)
  • Ji (surname 蓟)
  • Ji (surname 暨)
  • Ji (surname 汲)
  • Ji (surname 籍)
  • Ji (Korean name), a Korean surname and element in given names
• Ji (state), ancient Chinese state

• Jicheng (Beijing), the capital of Ji and its successor Yan in modern Beijing, China

• Ji province:

• Hebei, abbreviated Jì (冀), province of China
• Jilin, abbreviated Jí (吉), province of China

• Ji County:

• Ji County, Shanxi (吉县)
• Ji County, Tianjin (蓟县)

• Ji (city)

• Jicheng (Beijing) (蓟城/薊城) or the City of Ji, an ancient city now part of Beijing.
• Jicheng (棘城), an ancient city now part of Yi County, Liaoning, which was the capital of the Former Yan Kingdom.
• Jicheng (冀城), ancient city in western China known for the Siege of Jicheng in the Romance of the Three Kingdoms

• -ji, a suffix denoting respect in the Indian subcontinent
• Courtesy name, or ji (字) in Japanese
• ji (polearm) (戟), a kind of Chinese polearm
• Ji Koizumi, a character in the anime Guru Guru Pon-chan
• Ji (film), 2005 Tamil film starring Ajith and Trisha Krishnan
• Kuiji (632–682), or Ji, Chinese monk

JI may refer to:

• Jemaah Islamiyah, the militant Islamic organization
• Meraj Airlines IATA code
• Midway Airlines (JI) former IATA code
• Journal of Infection, an academic journal
• Joint Implementation, one of the flexible mechanisms of the Kyoto Protocol
• Journal Inquirer, a Connecticut newspaper
• Jakobshavn Isbræ, a glacial outlet in Greenland
• Jurong Institute, a now-defunct pre-university institution in Singapore