NSAC may refer to: National Security Analysis Center, an FBI counter-terrorism initiative National Spiritualist Association of Churches National Society for Autistic Children, the former name of the Autism Society of America National Student Advertising Competition, an American advertising competition NATO Strategic Airlift Capability Nederlandse Studenten Alpen Club, The Netherlands, the national student alpine association Nevada Athletic Commission, popularly known as the Nevada State Athletic Commission, a regulatory body for exhibitions of unarmed combat North Shore Aero Club, in Auckland, New Zealand Nova Scotia Agricultural College, in Nova Scotia, Canada