KCJ may refer to:
Kenya Ceramic Jiko, a type of stove Kerala Congress (Joseph), a former political party in India led by P. J. Joseph, split from Kerala Congress and later merged into it Kids Code Jeunesse, a Canadian non-profit organization Kigali Cine Junction, a film festival held in Kigali, Rwanda Knight Commander of the Order of Saint Joachim Kobiana language (ISO code 'kcj') PT KAI Commuter Jabodetabek, now Kai Commuter