# Mac

Mac or MAC may refer to:

## Common meanings

* Mac (computer), a line of personal computers made by Apple Inc.
* Mackintosh, a raincoat made of rubberized cloth
* Mac, a prefix to surnames derived from Gaelic languages
* McIntosh (apple), a Canadian apple cultivar

## Arts and entertainment
### Fictional entities

* Mac (Green Wing), a television character
* Mac (It's Always Sunny in Philadelphia), a television character
* Mac Gargan, an enemy of Spider-Man
* Mac, a character on Foster's Home for Imaginary Friends
* Angus "Mac" MacGyver, from the television series MacGyver
* Cindy "Mac" Mackenzie, from the TV series Veronica Mars
* Lt. Col. Sarah MacKenzie, from the TV series JAG
* Dr. Terrence McAfferty, from Robert Muchamore's CHERUB and Henderson's Boys novel series
* Mac McAnnally, in The Dresden Files series
* Randle McMurphy, in the movie One Flew Over the Cuckoo's Nest
* Mac Taylor, from the TV series CSI: NY
* Mac, a canine character in the television series Clifford the Big Red Dog
* Monster Attack Crew, a fictional pilot squadron in the television series Ultraman Leo
* MAC (Mysterious Alien Creature), the titular character in the 1988 film Mac and Me
* Mac (Makrand Deendayal Chatpatiya), portrayed by Akshay Kumar in the 2005 Indian comedy film Garam Masala

### Other arts and entertainment

* Mac (film), 1992, directed by and starring John Turturro
* Mac (novel), by John MacLean
* Mac the Moose, a public statue in Moose Jaw, Saskatchewan, Canada
* Mac, a Sports Beanie Baby cardinal produced by Ty, Inc. in 1999
* MAC Awards, for achievements in cabaret, comedy, and jazz, administered by the Manhattan Association of Cabarets & Clubs

## Business and economics
### Economics

* Marginal abatement cost, in environmental economics
* Material adverse change, a provision in mergers and acquisitions contracts and venture financing agreements

### Businesses

* MAC Cosmetics, a cosmetics brand, stylized as M•A•C
* Mac Para Technology, a Czech aircraft manufacturer
* Macerich (NYSE stock symbol MAC), an American real estate investment trust
* Manufacture d'armes de Châtellerault, a French state arms manufacturer
* Martin's Air Charter, now Martinair, an airline
* Medicare Administrative Contractor, a private company contracted to administer Medicare benefits in the US
* Military Armament Corporation, former American small arms manufacturer
* Morgan Advanced Ceramics, a ceramics manufacturing company
* Money Access Card or Money Access Center, a former US ATM network

## Organizations
### Government and military

* Mainland Affairs Council, an agency under the Executive Yuan of the Republic of China
* Metropolitan Airports Commission, the operator of airports in the Minneapolis-St. Paul area
* Military Affairs Commission in China; see Central Military Commission (China)
* Military Airlift Command, the predecessor of the Air Mobility Command of the United States Air Force
* Mixed Armistice Commissions, a United Nations organization for monitoring Middle East ceasefires
* Municipal Assistance Corporation, created by the State of New York in 1975 to deal with New York City's fiscal crisis

### Non-profit

* mac (Birmingham), formerly the Midlands Arts Centre, in Birmingham, UK
* Malaysian AIDS Council
* Marine Aquarium Council
* Murphree Area Council
* Myanmar Accountancy Council

### Politics

* Mouvement d'Action Civique, a defunct Belgian far right group
* Mouvement Autonome Casamançais (Casamancian Autonomous Movement), a defunct political party in Casamance, Senegal
* Mudiad Amddiffyn Cymru, a Welsh organization responsible for several bombing incidents
* Muslims Against Crusades, a banned radical Islamist group in the UK

## People
### Names

* Mac (nickname)
* Mạc, a Vietnamese surname
* Mạc dynasty, 16th-century rulers in Vietnam

### Individuals

* Mac (rapper) (born 1977), American rapper, stage name of McKinley Phipps Jr
* MC Mac, member and musician of So Solid Crew
* John McCarthy (conductor) (1916–2009), British conductor known as "John Mac" or just "Mac"
* Derek McCulloch (1897–1967), British radio broadcaster known as "Uncle Mac"
* Ian McCulloch (singer) (born 1959), referred to as "Mac the Mouth" or just "Mac"
* Stanley McMurtry (born 1936), British cartoonist with the pen name "Mac"

## Places
### Museums and arts centers

* Costa Rican Museum of Art (Spanish: Museo de Arte Costarricense), Costa Rica
* mac, Birmingham (formerly Midlands Arts Centre), England
* Metropolitan Arts Centre, Belfast, UK
* Archaeology Museum of Catalonia (Spanish: Museu d'Arqueologia de Catalunya), Spain
* Niterói Contemporary Art Museum (Portuguese: Museu de Arte Contemporânea de Niterói), Brazil
* Museum of Contemporary Art of Lima (Spanish: Museo de Arte Contemporáneo), Peru

### Other places

* Macau (ISO 3166 code: MAC), an administrative region of China
* Macaulay railway station, Melbourne, Australia
* UCLA Marina Aquatic Center, a recreational facility in Marina del Rey, California
* Macomb station (Amtrac station code: MAC), Illinois, US

## Schools

* Macalester College, in Saint Paul, Minnesota, US
* Macdonald Campus, of McGill University, Canada
* McMaster University, in Canada
* Michigan Agricultural College, former name of Michigan State University, US

## Science and technology
### Biology and medicine

* MAC (chemotherapy), a chemotherapy regimen of Mitoxantrone and Ara-C
* Maximum allowable concentration, a concept related to threshold limit value (TLV)
* Membrane attack complex, an immune system function using complement
* Microbiota-accessible carbohydrates, a category of carbohydrates consumed by gut microbes
* Minimum alveolar concentration, a measure used to compare the strengths of anesthetic vapors
* Mitochondrial apoptosis-induced channel, the cytochrome c release pore of apoptotic mitochondria
* Monitored anesthesia care, a form of anesthesia with partial awareness
* Mycobacterium avium complex, a group of environmental pathogens

### Computing and telecommunication

* Mac (computer), a brand of computers and computer operating systems made by Apple Inc.
** macOS, formerly Mac OS X and OS X, Apple's current operating system for Mac computers
** Classic Mac OS, the original operating system for Apple's Macintosh
** .Mac, now iCloud, a subscription service by Apple
* MAC times, metadata containing event times associated with a computer file
* Mandatory access control, a type of access control in computer security
* Maximum activate count, a parameter associated with the LPDDR4 memory's TRR feature
* Medium access control or Media Access Control, a sublayer of the Data Link layer
** MAC address, a unique identifier assigned to a network interface controller
* Message authentication code, used to authenticate a message in cryptography
* Migration Authorisation Code, used when switching Internet service providers in the UK
* Multiplexed Analogue Components, a proposed satellite television transmission standard
* Multiply–accumulate operation (MAC), or multiplier–accumulator, in digital signal processing
* .mac, a file extension for macros in Agilent ChemStation software

### Other science and technology

* Mean aerodynamic chord, a measure of the geometry of an airfoil

## Military

* Merchant aircraft carrier, used during World War II by Britain and the Netherlands
* Mission Assurance Category, a US Department of Defense engineering designation
* Modern Army Combatives, a hand-to-hand combat training regimen

## Sports
### Clubs and teams

* Maranhão Atlético Clube, a Brazilian association football club
* Marília Atlético Clube, a Brazilian association football club
* Missouri Athletic Club, a traditional gentlemen's and athletic club in downtown St. Louis, Missouri
* Multnomah Athletic Club, a private athletic club in Oregon

### Conferences
#### College

* Mid-American Conference, an NCAA Division I (Football Bowl Subdivision) sports conference
* Mid-Atlantic Rifle Conference, an NCAA rifle-only conference
* Middle Atlantic Conferences, an umbrella organization for three NCAA Division III sports conferences
** Middle Atlantic Conference, one of these three

#### High school

* Macomb Area Conference, a Michigan high school football conference
* Mayflower Athletic Conference, in the Massachusetts Interscholastic Athletic Association
* Mid-Atlantic Athletic Conference, a Washington, D.C., area high school athletic league
* Midwest Athletic Conference, an Ohio high school athletic conference in west-central Ohio
* Mississippi Athletic Conference, an Iowa high school sports conference
* Mountain Athletic Conference (PIAA), a Pennsylvania high school athletic conference

### Other sports

* MAC Award, in American college soccer, now merged into the Hermann Trophy

## Other uses

* List of storms named Mac
* Macedonian language (ISO 639-2 code: mac)
* Material adequacy condition, in the philosophies of logic and language