CJ or similar may refer to:
Businesses CJ Affiliate, an online advertising company CJ Group (also known as Cheil Jedang), a South Korean conglomerate CJ CheilJedang, South Korean food and beverage company within the CJ Group BA CityFlyer (IATA airline designator) China Northern Airlines (IATA airline designator)
In law Chief Justice, an honorific title for the presiding member of a Supreme Court Criminal justice
People C. J. (given name), persons and fictional characters
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 Cobra Jet, a performance engine designation of the Ford FE engine Jeep CJ (Civilian Jeep) series, a military-based off-road vehicle Cessna CitationJet, a line of business jets by Cessna Aircraft Company
Other uses Chemins de fer du Jura, a Swiss railway company ChinaJoy Cianjur railway station, a railway station in Cianjur Regency, Indonesia Cluj County, on the vehicle registration plates of Romania Congregation of Jesus or Congregatio Jesu, a Catholic congregation
See also Creutzfeldt–Jakob disease Cangjie (disambiguation)