English abbreviations from nacac to nad
- NACAC (National Association for College Admission Counseling)
- NACASB (National Accreditation Council for Agencies Serving the Blind & Visually Handicapped)
- NACASBVH (National Accreditation Council for Agencies Serving the Blind & Visually Handicapped)
- NACC (North Atlantic Cooperation Council)
- NACD (North Auburn Community Development)
- NACDA (National Association Of Collegiate Directors Of Athletics)
- NACE (National Association of Corrosion Engineers)
- NACHRI (National Association of Children's Hospitals and Related Institutions)
- NACISA (NATO Communications and Information Systems Agency)
- NACK (Negative ACKnowledgement)
- NACL (Net Activex Command Language)
- NACMA (NATO Air Command and Control System Management Agency)
- NACME (National Action Council for Minorities in Engineering)
- NACO (National Aids Control Organization)
- NACOA (National Association for Children of Alcoholics)
- NACOB (Narcotics Control Bureau (Board))
- NACOL (North American Council of On-line Learning)
- NACP (Nuclear Age Peace Foundation)
- NACRA (North America Caribbean Rugby Association (more specifically rugby union))
- NACS (North American Catalan Society)
- NACT (National Association of Clinical Tutors)
- NACTA (National Association Of Commissioned Travel Agents)
- NACU (National Association of CX Users)
- NACURH (National Associate of College and University Residence Halls)
- NACW (National Association of Colored Women)
- NACWAA (National Association Of Collegiate Women Athletics Administrators)
- NAD (Namibian dollar (ISO 4217 currency code))