NAC

NAC may refer to:

Arts

National Arts Centre, Canada's foremost showcase for the performing arts
National Arts Council Singapore, a statutory board of the Singapore government
Narodowe Archiwum Cyfrowe - Polish National Digital Archives

Air travel

NAC Air, a Native owned air carrier based in Thunder Bay, Ontario
National Airways Corporation, the national domestic airline of New Zealand
Nauru Air Corporation, the national airline of the Pacific island Republic of Nauru
Naval Aircrewman, personnel of the United States Navy who have undergone extensive training in flight operations of naval aircraft
Northern Air Cargo, a cargo airline based in Anchorage, Alaska, USA
National Air Communications, a department of the British Air Ministry during World War II

Media

NAC TV, a cable community channel in Neepawa, Manitoba
Newspaper Agency Corporation, a printing, delivery and advertising company jointly owned by the Deseret Morning News and The Salt Lake Tribune

Medicine

Neuro Associative Conditioning, related to neuro-linguistic programming
N-Acetylcarnosine, an experimental pharmacological agent for cataract treatment
N-Acetylcysteine, a pharmacological agent used mainly as a mucolytic
National Asthma Campaign, a British medical research charity dedicated to respiratory conditions and the curing of asthma
New Approaches to Cancer, a cancer research association in the United Kingdom
Nunavut Arctic College, a nursing school in Canada

Politics

National Advisory Council, an advisory body set up to monitor the implementation of the UPA government's manifesto in India
Naturist Action Committee, a nine-member volunteer committee that functions as the political adjunct to The Naturist Society
North Atlantic Council, the most senior political governing body of NATO established by Article 9 of the North Atlantic Treaty
Nyasaland African Congress, a political party in Malawi

Religion

Native American Church, the most widespread indigenous religion among Native Americans
New Apostolic Church, a chiliastic church
Pontifical North American College, an American seminary in Rome

Sports

NAC, Nagyváradi Atlétikai Club, Hungarian name of a Hungarian, Romanian dissolved football club from Oradea (Nagyvárad)
NAC Breda, a Dutch football club from Breda
NAC Stadion, a multi-use stadium in Breda, Netherlands
Nacional Atlético Clube, a Brazilian football team
National Aquatic Centre, the home of Irish swimming
Newport Aquatic Center, Watersports club in Newport Beach, California
North America Challenge, the highest level of competition in laser tag in the United States and Canada

Technology

Narrow Angle Camera, one of two cameras which form part of the Imaging Science Subsystem in the NASA Cassini orbiter
Net Access Corporation, a New Jersey-based Internet Service Provider
Network Access Code, an access feature for public safety radios defined under Project 25
Network Access Control, a piece of technology that controls access to a network
Network Admission Control, a computer network security device
Nanjing Automobile (Group) Corporation

Other

Naphthenic Acid Corrosion, Corrosion caused by Naphthenic acids in crude oil
National Action Committee on the Status of Women, a Canadian feminist activist organization
Natural Area Code, a proprietary geocode system for identifying an area anywhere on the Earth
U.S. Army’s National Automotive Center
National Agency Check as part of a National Agency Check with Local Agency Check and Credit Check for a U.S. Security Clearance.
North American Confederacy, a fictional government in the alternate history created by L. Neil Smith in the novel The Probability Broach
North Atlantic Conference, an athletic conference consisting primarily of small liberal arts colleges throughout the New England states of Vermont, Maine, and Massachusetts
The Nanjing Automobile (Group) Corporation
Northern Athletics Conference, an athletic conference consisting primarily of small liberal arts colleges in Illinois and Wisconsin
Nowra Anglican College, an Anglican College based in Nowra, Australia.
National Advocacy Center, a training center for both state and Federal prosecutors run by the National District Attorneys Association and the United States Department of Justice. It is based at the University of South Carolina School of Law.
Nicol Acoustic Consultancy, a Scotland-based independent acoustic consultant.
Negative Application Condition related to graph transformation
JiangSu NanJing Automobile (NAC), a Chinese automobile manufacturer

Translation

The word "NAC" occurs as such in the following languages: English, German, French, Italian, Japanese, Polish.