NJAC

NJAC is an abbreviation and may stand for:


 * National Joint Action Committee, active Nationalist political party in Trinidad and Tobago
 * New Jersey Administrative Code, a compendium of the regulations of the State of New Jersey, United States
 * New Jersey Association of Counties, advocacy group for county governments in New Jersey, United States
 * New Jersey Athletic Conference, NCAA Division III college athletics conference in New Jersey
 * National Judicial Appointments Commission, India