Mac or MAC may refer to:

Common meanings

  • Mac (computer), a line of personal computers made by Apple Inc.
  • Mackintosh (raincoat), 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
  • 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
  • Malaysia Air Charter, an defunct airline
  • Malta Air Charter, ICAO code, an defunct airline
  • 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
  • Merchant aircraft carrier, used during World War II by Britain and the Netherlands
  • 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
  • Mission Assurance Category, a US Department of Defense engineering designation
  • Mixed Armistice Commissions, a United Nations organization for monitoring Middle East ceasefires
  • Modern Army Combatives, a hand-to-hand combat training regimen
  • Municipal Assistance Corporation, created by the State of New York in 1975 to deal with New York City's fiscal crisis
  • Convention on Mutual Administrative Assistance in Tax Matters, developed jointly between the OECD and Council of Europe

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
  • 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

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  • 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"

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Places

Museums and arts centers

  • Costa Rican Museum of Art (), Costa Rica
  • mac, Birmingham (formerly Midlands Arts Centre), England
  • Metropolitan Arts Centre, Belfast, UK
  • Archaeology Museum of Catalonia (), Spain
  • Niterói Contemporary Art Museum (), Brazil
  • Museum of Contemporary Art of Lima (), 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
  • Mid-America Center, an arena and convention center in Council Bluffs, Iowa

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

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

See also

  • Big Mac (disambiguation)
  • Fort McMurray, Alberta, Canada, nicknamed "Fort Mac"
  • Little Mac (disambiguation)
  • Macaroni and cheese, a dish often shortened to "mac and cheese"
  • Mach (disambiguation)
  • Mack (disambiguation)
  • Mak (disambiguation)