AAC may refer to:

Aviation

* Advanced Aircraft, a company from Carlsbad, California * Airborne aircraft carrier, a type of aircraft * Alaskan Air Command, a radar network * American Aeronautical Corporation, a company from Port Washington, New York * American Aviation, a company from Cleveland, Ohio * Amphibian Airplanes of Canada, a company from Squamish, British Columbia *

Anti-Aircraft Warfare Anti-aircraft warfare (AAW) is the counter to aerial warfare and includes "all measures designed to nullify or reduce the effectiveness of hostile air action".AAP-6 It encompasses surface-based, subsurface (Submarine#Armament, submarine-lau ...

Army Air Corps (United Kingdom) The Army Air Corps (AAC) is the aviation arm of the British Army, first formed in 1942 during the Second World War by grouping the various airborne units of the British Army. Today, there are eight regiments (seven Regular Army and one Reserv ...

, a component of the British Army * Australian Air Corps, immediate predecessor of the Royal Australian Air force * Civil Aviation Authority (El Salvador) (''Autoridad de Aviación Civil'') * Civil Aviation Authority (Panama) (''Autoridad Aeronáutica Civil'') * IATA airport code for El Arish International Airport in North Sinai Governorate, Egypt *

United States Army Air Corps The United States Army Air Corps (USAAC) was the aerial warfare service component of the United States Army between 1926 and 1941. After World War I, as early aviation became an increasingly important part of modern warfare, a philosophical ri ...

, a former component of the United States Army

Education

* Anthony Abell College, a secondary school in Brunei * Art Academy of Cincinnati, a private college *

Association of American Colleges The American Association of Colleges and Universities (AAC&U) is a global membership organization headquartered in Washington, D.C., United States. It works to improve quality and equity in undergraduate education and advance liberal education ...

known today as the American Association of Colleges and Universities * Coimbra Academic Association, a Portuguese students' union

Military

* Advanced Armament Corporation, manufacturer of sound suppressors * United States Army Acquisition Corps * Army Apprentices College, a former UK college *

Australian Army Cadets The Australian Army Cadets (AAC) is the youth military program and organisation of the Australian Army, tasked with supporting participants to contribute to society, fostering interest in defence force careers, and developing support for the for ...

, a youth organisation

Organizations

* Adult Association of Canada, a coalition of strip club owners and their agents * Affirming Anglican Catholicism, a religious movement * Alameda Arts Council * American Anglican Council, a religious organization * Australian Agricultural Company, a company * Australian Aluminium Council, an industry association * Awami Action Committee, political organisation in Pakistan

Sports

American Airlines Center The American Airlines Center (AAC) is a multi-purpose List of indoor arenas, indoor arena located in the Victory Park, Dallas, Victory Park neighborhood in downtown Dallas, Texas. The arena serves as the home of the Dallas Stars of the National ...

, a multipurpose arena in Dallas, Texas *

American Alpine Club The American Alpine Club (AAC) is a non-profit member organization with more than 26,000 members. The club is housed in the American Mountaineering Center (AMC) in Golden, Colorado. Through its members, the AAC advocates for American climbers d ...

, a climbing organization *

American Athletic Conference The American Athletic Conference (AAC), also known as The American, is a collegiate List of NCAA conferences, athletic conference in the United States, featuring 13 full member universities and 6 affiliate member universities that compete in t ...

, an NCAA college conference made up of primarily Big East Conference teams before 2013 * Appalachian Athletic Conference, an NAIA college athletics conference * Western North Carolina Athletic Conference, a high school organization known as the ''Appalachian Athletic Conference'' until 2009 * Asia-Pacific Amateur Championship, formerly Asian Amateur Championship, an APGC golf tournament * Associação Académica de Coimbra – O.A.F., a Portuguese football organization * Associação Académica de Coimbra – basketball, a Portuguese basketball club * Associação Académica de Coimbra – volleyball, a Portuguese volleyball club * Associação Académica de Coimbra, the students' union of the University of Coimbra, which sponsors other sports, including rugby * Association of Alabama Camps, a youth camp organization * Atlanta Athletic Club, a private athletic club in Duluth, Georgia * Audax Alpine Classic, a bicycle event in Victoria, Australia

Technology

Advanced Audio Coding Advanced Audio Coding (AAC) is an audio coding standard for lossy digital audio compression. It was developed by Dolby, AT&T, Fraunhofer and Sony, originally as part of the MPEG-2 specification but later improved under MPEG-4.ISO (2006ISO/ ...

, an audio compression format * Air arc cutting, a gouging process for metals * Auto Avio Costruzioni 815, a car by Ferrari * Autoclaved aerated concrete, a building material *

Photochrom Photochrom, Fotochrom, Photochrome or the Aäc process is a process of hand-colouring of photographs, hand-colouring photographs from a single black-and-white photographic negative, negative with subsequent photographic transfer onto Lithography, ...

, also known as the Aäc process

Other uses

* Anesthesiologist assistant (sometimes abbreviated AA-C), an assistant to an anesthesiologist *

Anne Arundel County, Maryland Anne Arundel County (; ), also notated as AA or A.A. County, is located in the U.S. state of Maryland. As of the 2020 United States census, its population was 588,261, an increase of just under 10% since 2010. Its county seat is Annapolis, Mar ...

* Antimicrobial Agents and Chemotherapy, an academic journal * Ari language (New Guinea), coded aac in ISO 639-3 *

Augmentative and alternative communication Augmentative and alternative communication (AAC) encompasses the communication methods used to supplement or replace speech or writing for those with impairments in the production or comprehension of spoken or written language. AAC is used by t ...

, a class of communications methods for people with speech impairments * Pseudomembranous colitis, also known as antibiotic associated colitis, a medical complication * AAC, a

codon Genetic code is a set of rules used by living cells to translate information encoded within genetic material (DNA or RNA sequences of nucleotide triplets or codons) into proteins. Translation is accomplished by the ribosome, which links prote ...

for the amino acid

asparagine Asparagine (symbol Asn or N) is an α-amino acid that is used in the biosynthesis of proteins. It contains an α-amino group (which is in the protonated −NH form under biological conditions), an α-carboxylic acid group (which is in the depro ...

* Adenine nucleotide translocator (ANT), also known as the ADP/ATP carrier protein (AAC) *

Armenian Apostolic Church The Armenian Apostolic Church () is the Autocephaly, autocephalous national church of Armenia. Part of Oriental Orthodoxy, it is one of the most ancient Christianity, Christian churches. The Armenian Apostolic Church, like the Armenian Catholic ...

, the national church of Armenia {{disambiguation