TJI may refer to: Tucson Jazz Institute, Jazz School in Tucson, Arizona TJ Innova Engineering & Technology, Chinese automotive design company Transitional Justice Institute, Ulster University, Northern Ireland Trujillo Airport, Colón Department, Honduras (IATA code: TJI)
Tji may refer to: Northern Tujia language, Sino-Tibetan language of China (ISO 639-3 code: tji) Tji, a unit of weight equal to 3.8601 kg; see Indonesian units of measurement TJI joist, a construction framing component (trademarked by Weyerhaeuser) for I-joist
People with the surname Tji include: Daniel Tji Hak Soun, South Korean Roman Catholic priest