JNC may refer to:

JNC Corporation, formerly Chisso, a Japanese chemical company Japan Nuclear Cycle Development Institute, a constituent of the Japan Atomic Energy Agency Jewish National Council, an institution in Mandatory Palestine Joventut Nacionalista de Catalunya, a political youth organisation in Catalonia Judicial nominating commission, a selection body for judges in some U.S. states JnC, a South Korean boy group including Jang Su-won