CJ or similar may refer to: Businesses BA CityFlyer (IATA airline designator) China Northern Airlines (IATA airline designator) CJ Group (also known as Cheil Jedang), a South Korean conglomerate CJ CheilJedang, South Korean food and beverage company within the CJ Group In law Chief Justice, an honorific title for the presiding member of a Supreme Court Criminal justice People For people named C.J., see C. J. (given name) Publications The Classical Journal (Journal of the Classical Association of the Middle West and South) The Courier-Journal, a newspaper in Louisville, Kentucky, United States In science and technology Cangjie input method, a system by which Chinese characters may be entered into a computer using a standard keyboard Centijoule, an SI unit of energy equal to 10−2 J Jeep CJ (Civilian Jeep) series, a military-based off-road vehicle Cessna CitationJet, a line of business jets by Cessna Aircraft Company Other uses Congregation of Jesus or Congregatio Jesu, a Catholic congregation Cluj County, on the vehicle registration plates of Romania See also Creutzfeldt–Jakob disease