Mac or MAC may refer to:

Common meanings

Mac (computer) Mac is a brand of personal computers designed and marketed by Apple Inc., Apple since 1984. The name is short for Macintosh (its official name until 1999), a reference to the McIntosh (apple), McIntosh apple. The current product lineup inclu ...

, a line of personal computers made by Apple Inc. *

Mackintosh The Mackintosh raincoat (abbreviated as mac) is a form of waterproof raincoat, first sold in 1824, made of rubberised textile, fabric. The Mackintosh is named after its Scotland, Scottish inventor Charles Macintosh, although many writers adde ...

, a raincoat made of rubberized cloth * Mac, a prefix to surnames derived from Gaelic languages *

McIntosh (apple) The McIntosh ( ), McIntosh Red, or colloquially the Mac, is an apple cultivar, the national apple of Canada. The fruit has red and green skin, a Taste#Astringency, tart flavor, and tender white flesh, which ripens in late September. It is cons ...

, 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 MacDonald "Mac" Gargan is a supervillain appearing in American comic books published by Marvel Comics. Created by writer Stan Lee and artist Steve Ditko, the character First appearance, first appeared in ''The Amazing Spider-Man'' #19 (December ...

, an enemy of Spider-Man * Mac, a character on ''Foster's Home for Imaginary Friends'' * Angus "Mac"

MacGyver Angus "Mac" MacGyver is the title character and the protagonist in the TV series ''MacGyver''. He is played by Richard Dean Anderson in the MacGyver (1985 TV series), 1985 original series. Lucas Till portrays a younger version of MacGyver in Mac ...

, from the television series ''MacGyver'' * Cindy "Mac" Mackenzie, from the TV series ''Veronica Mars'' * Lt. Col.

Sarah MacKenzie Sarah "Mac" MacKenzie is a fictional character and lead role in the American television series '' JAG'', played by Catherine Bell. The character was created by Donald P. Bellisario, as a work for hire for Paramount Television, in the script fo ...

, from the TV series ''JAG'' *

Dr. Terrence McAfferty A cherub (; : cherubim; ''kərūḇ'', pl. ''kərūḇīm'') is one type of supernatural being in the Abrahamic religions. The numerous depictions of cherubim assign to them many different roles, such as protecting the entrance of the Garden of ...

, from Robert Muchamore's ''CHERUB'' and ''Henderson's Boys'' novel series * Mac McAnnally, in ''The Dresden Files'' series *

Randle McMurphy Randle Patrick "Mac" McMurphy (also known as R.P. McMurphy) is the protagonist of Ken Kesey's novel '' One Flew Over the Cuckoo's Nest'' (1962). He appears in the stage and film adaptations of the novel as well. Jack Nicholson portrayed Randle Pa ...

, 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 ''Clifford the Big Red Dog'' is an American children's book series which focuses on the adventures of an 8-year old blonde haired girl named Emily Elizabeth and her titular pet: a gigantic, red-furred dog named Clifford. It was first published ...

'' * Monster Attack Crew, a fictional pilot squadron in the television series ''

Ultraman Leo is a Japanese ''tokusatsu'' television show and the sixth Ultraman show (or the seventh if ''Ultra Q'' is included) in the ''Ultra Series''. Produced by Tsuburaya Productions, ''Ultraman Leo'' was aired between April 12, 1974, and March 28, 1975, ...

'' * MAC (Mysterious Alien Creature), the titular character in the 1988 film ''

Mac and Me ''Mac and Me'' is a 1988 American science fiction film directed by Stewart Raffill, and co-written with Steve Feke. Starring Christine Ebersole, Jonathan Ward, and Tina Caspary alongside Lauren Stanley and Jade Calegory, it centers on a "Myster ...

'' * 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 The MAC Awards, established in 1986, are presented annually to honor achievements in cabaret, comedy and jazz. They are administered by the non-profit Manhattan Association of Cabarets & Clubs (MAC), founded in 1983, and voted on by the MAC member ...

, for achievements in cabaret, comedy, and jazz, administered by the Manhattan Association of Cabarets & Clubs

Business and economics

Economics

Marginal abatement cost Abatement cost is the cost of reducing environmental negatives such as pollution. Marginal cost is an economic concept that measures the cost of an additional unit. The marginal abatement cost, in general, measures the cost of reducing one more ...

, in environmental economics *

Material adverse change In the fields of mergers and acquisitions and corporate finance, a material adverse change (abbreviated MAC), material adverse event (MAE), or material adverse effect (also MAE) is a change in circumstances that significantly reduces the value of a ...

, a provision in mergers and acquisitions contracts and venture financing agreements

Businesses

MAC Cosmetics M A C Cosmetics is a Canadian cosmetics manufacturer founded in Toronto in 1984 by Frank Toskan and Frank Angelo. The company has been headquartered in New York City since becoming a subsidiary of Estée Lauder Companies in 1998. MAC is an acron ...

, a cosmetics brand, stylized as M•A•C *

Mac Para Technology Mac Para Technology s.r.o. is a Czech Republic, Czech aircraft manufacturer based in Rožnov pod Radhoštěm and founded by Peter Recek. The company specializes in the design and manufacture of paragliders and paramotor wings, in the form of re ...

, a Czech aircraft manufacturer *

Macerich The Macerich Company ( ) is a real estate investment trust that invests in shopping centers. It is the third-largest owner and operator of shopping centers in the United States. As of December 31, 2020, the company owned interests in 52 propert ...

(NYSE stock symbol MAC), an American real estate investment trust *

Manufacture d'armes de Châtellerault The ''Manufacture d'Armes de Châtellerault'' (, "Châtellerault Weapons Factory", abbr. MAC) was a French state-owned weapons manufacturer in the town of Châtellerault, Vienne. It was created by a royal decree of 14 July 1819 to manufact ...

, a French state arms manufacturer *

Martin's Air Charter Martinair (legally ''Martinair Holland N.V.'') is a Dutch cargo and former passenger airline headquartered and based at Amsterdam Airport Schiphol. The airline was founded in 1958 by Martin Schröder, and is currently a subsidiary of Air France ...

, now Martinair, an airline * Medicare Administrative Contractor, a private company contracted to administer Medicare benefits in the US *

Military Armament Corporation Military Armament Corporation (MAC) was an American manufacturer of small arms, co-founded by Gordon Ingram, an engineer and gun designer, and Mitchell WerBell, owner of SIONICS, which manufactured gun sound suppressors. It is known for manufac ...

, former American small arms manufacturer *

Morgan Advanced Ceramics Morgan Advanced Materials plc is a company which manufactures specialist products, using carbon, advanced ceramics and composites. The group is headquartered in Windsor, United Kingdom, and has 60 sites worldwide. It is listed as public limite ...

, a ceramics manufacturing company *

Money Access Card Money Access Center (MAC, also Money Access Card) was an ATM network in the Mid-Atlantic and Midwestern United States, between 1979 and 2005, when it was absorbed into the STAR network. The network was one of the first in the nation, and helped ...

or Money Access Center, a former US ATM network

Organizations

Government and military

Mainland Affairs Council The Mainland Affairs Council (MAC) is a cabinet-level administrative agency under the Executive Yuan of the Republic of China (Taiwan). The MAC is responsible for the planning, development, and implementation of the cross-strait relations p ...

, an agency under the Executive Yuan of the Republic of China *

Metropolitan Airports Commission The Minneapolis-Saint Paul Metropolitan Airports Commission (MAC) is a state-level airport authority that operates the Minneapolis–Saint Paul International Airport and six reliever airports in the Minneapolis-St. Paul, Twin Cities region, whic ...

, the operator of airports in the Minneapolis-St. Paul area * Military Affairs Commission in China; see

Central Military Commission (China) The Central Military Commission (CMC) is the highest military leadership body of the Chinese Communist Party (CCP) and the China, People's Republic of China (PRC), which heads the People's Liberation Army (PLA), the People's Armed Police (PAP) ...

Military Airlift Command The Military Airlift Command (MAC) is an inactive United States Air Force major command (MAJCOM) that was headquartered at Scott Air Force Base, Illinois. Established on 1 January 1966, MAC was the primary strategic airlift organization of ...

, 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 A Municipal Assistance Corporation (MAC) was an independent New York State public-benefit corporation created by the State of New York for purposes of providing financing assistance and fiscal oversight of a fiscally-distressed city. Two MACs are ...

, 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 Mouvement d'Action Civique (, MAC; English language, English: ''Movement for Social Action'') was a minor far far-right political movement in Belgium during the 1960s. The party's logo, a Celtic cross, was adopted in 1961 and was also the logo of t ...

'', a defunct Belgian far right group * '' Mouvement Autonome Casamançais'' (Casamancian Autonomous Movement), a defunct political party in Casamance, Senegal * ''

Mudiad Amddiffyn Cymru ; ), abbreviated as MAC, was a paramilitary Welsh nationalist organisation, which was responsible for a number of bombing incidents between 1963 and 1969. The group's activities primarily targeted infrastructure transporting water to the Engli ...

'', a Welsh organization responsible for several bombing incidents * Muslims Against Crusades, a banned radical Islamist group in the UK

People

Names

* Mac (nickname) *

Mạc Mạc (chữ Hán: 莫) is a Vietnamese surname. The name is transliterated as Ma or Mo in Chinese and Mua in Hmong language. It is unrelated to the "Mac" prefix to surnames derived from Gaelic languages. Mac / Mc is an anglicised variation ...

, a Vietnamese surname *

Mạc dynasty The Mạc dynasty (; Hán-Nôm: 茹莫/ 朝莫) (1527–1677), officially Đại Việt (Chữ Hán: 大越), was a Vietnamese dynasty which ruled over a unified Vietnam between 1527 and 1540, and northern Vietnam from 1540 until 1593. The M ...

, 16th-century rulers in Vietnam

Individuals

Mac (rapper) McKinley Phipps, Jr. (born July 30, 1977), better known simply as Mac, is an American rapper from New Orleans' 3rd Ward. He began rapping as a child, releasing his debut album ''The Lyrical Midget'' at the age of 13 in 1990, under the stage na ...

(born 1977), American rapper, stage name of McKinley Phipps Jr * MC Mac, member and musician of

So Solid Crew So Solid Crew are a British UK garage and hip hop collective originating from Battersea, London, which achieved wide success in the early 2000s. The group consisted of many members, the most notable being Asher D (Ashley Walters), Lisa Ma ...

John McCarthy (conductor) Eugene Patrick John McCarthy OBE (20 November 1916 - 8 April 2009), also known professionally for most of his career as John Mac or simply Mac, was a three-times Grammy Award-nominated director and conductor of choral music. Early life Born in L ...

(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) Ian Stephen McCulloch (born 5 May 1959) is an English singer-songwriter and musician, best known as the lead singer of the rock band Echo & the Bunnymen. Career McCulloch was a singer-songwriter with the Crucial Three, one of many local ba ...

(born 1959), referred to as "Mac the Mouth" or just "Mac" *

Stanley McMurtry Stanley McMurtry MBE (born 4 May 1936), known by his pen name Mac, is a British editorial cartoonist. McMurtry is best known for his controversial work for the British ''Daily Mail'' newspaper from 1971 to 2018. Career McMurtry was born in Ed ...

(born 1936), British cartoonist with the pen name "Mac"

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 The Niterói Contemporary Art Museum (''Museu de Arte Contemporânea de Niterói'' — MAC) is situated in the city of Niterói, Rio de Janeiro, Brazil, and is one of the city’s main landmarks. It was completed in 1996. The MAC-Niterói was ...

(), Brazil * Museum of Contemporary Art of Lima (), Peru

Other places

Macau Macau or Macao is a special administrative regions of China, special administrative region of the People's Republic of China (PRC). With a population of about people and a land area of , it is the most List of countries and dependencies by p ...

(ISO 3166 code: MAC), an administrative region of China *

Macaulay railway station Macaulay railway station is a commuter railway station on the Upfield line, part of the Melbourne railway network. It serves the inner-northern suburb of North Melbourne, in Melbourne, Victoria, Australia. Macaulay station is a ground-level u ...

, Melbourne, Australia * UCLA Marina Aquatic Center, a recreational facility in Marina del Rey, California *

Macomb station Macomb station (officially the Thomas C. Carper Amtrak Station) is an Amtrak intercity train station in Macomb, Illinois, United States. There is one daily morning train to Chicago. In the evening, the return train continues on to Quincy, Il ...

(Amtrac station code: MAC), Illinois, US

Schools

Macalester College Macalester College ( ) is a private liberal arts college in Saint Paul, Minnesota, United States. Founded in 1874, Macalester is exclusively an undergraduate institution with an enrollment of 2,142 students in the fall of 2023. The college ha ...

, in Saint Paul, Minnesota, US *

Macdonald Campus The Macdonald Campus of McGill University (commonly referred to as the 'Mac Campus' or simply 'Mac') houses McGill's Faculty of Agricultural and Environmental Sciences (FAES), which includes the Institute of Parasitology, the School of Human Nutri ...

, of McGill University, Canada *

McMaster University McMaster University (McMaster or Mac) is a public research university in Hamilton, Ontario, Canada. The main McMaster campus is on of land near the residential neighbourhoods of Ainslie Wood, Ontario, Ainslie Wood and Westdale, Ontario, Westd ...

, in Canada *

Michigan Agricultural College Michigan State University (Michigan State or MSU) is a public university, public Land-grant university, land-grant research university in East Lansing, Michigan, United States. It was founded in 1855 as the Agricultural College of the State o ...

, 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 The membrane attack complex (MAC) or terminal complement complex (TCC) is a complex of proteins typically formed on the surface of pathogen cell membranes as a result of the activation of the host's complement system, and as such is an effecto ...

, an immune system function using complement *

Microbiota-accessible carbohydrates Microbiota-accessible carbohydrates (MACs) are carbohydrates that are resistant to digestion by a host's metabolism, and are made available for gut flora, gut microbes, as prebiotic (nutrition), prebiotics, to ferment or metabolize into beneficial c ...

, a category of carbohydrates consumed by gut microbes *

Minimum alveolar concentration Minimum alveolar concentration or MAC is the concentration, often expressed as a percentage by volume, of a vapour in the alveoli of the lungs that is needed to prevent movement (motor response) in 50% of subjects in response to surgical (pain) sti ...

, 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 ''Mycobacterium avium ''complex is a group of mycobacteria comprising ''Mycobacterium intracellulare'' and ''Mycobacterium avium'' that are commonly grouped because they infect humans together; this group, in turn, is part of the group of nontub ...

, a group of environmental pathogens

Computing and telecommunication

, a brand of computers and computer operating systems made by Apple Inc. **

macOS macOS, previously OS X and originally Mac OS X, is a Unix, Unix-based operating system developed and marketed by Apple Inc., Apple since 2001. It is the current operating system for Apple's Mac (computer), Mac computers. With ...

, formerly Mac OS X and OS X, Apple's current operating system for Mac computers **

Classic Mac OS Mac OS (originally System Software; retronym: Classic Mac OS) is the series of operating systems developed for the Mac (computer), Macintosh family of personal computers by Apple Computer, Inc. from 1984 to 2001, starting with System 1 and end ...

, 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 In computer security, mandatory access control (MAC) refers to a type of access control by which a secured environment (e.g., an operating system or a database) constrains the ability of a ''subject'' or ''initiator'' to access or modify on an ' ...

, a type of access control in computer security * Maximum activate count, a parameter associated with the LPDDR4 memory's TRR feature *

Medium access control In IEEE 802 LAN/MAN standards, the medium access control (MAC), also called media access control, is the layer that controls the hardware responsible for interaction with the wired (electrical or optical) or wireless transmission medium. The ...

or media access control, a sublayer of the Data Link layer **

MAC address A MAC address (short for medium access control address or media access control address) is a unique identifier assigned to a network interface controller (NIC) for use as a network address in communications within a network segment. This use i ...

, a unique identifier assigned to a network interface controller *

Message authentication code In cryptography, a message authentication code (MAC), sometimes known as an authentication tag, is a short piece of information used for authentication, authenticating and Data integrity, integrity-checking a message. In other words, it is used t ...

, used to authenticate a message in cryptography *

Migration Authorisation Code In the United Kingdom a Migration Authorisation Code (MAC) was a 17 to 19-character unique identifier code used by DSL customers when they wish to switch internet service provider (ISP). A MAC is generated by the actual telecommunication provide ...

, used when switching Internet service providers in the UK *

Multiplexed Analogue Components Multiplexed Analogue Components (MAC) was an analog television standard where luminance and chrominance components were transmitted separately. This was an evolution from older color TV systems (such as PAL or SECAM) where there was interferen ...

, 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 In aeronautics, the chord is an imaginary straight line segment joining the leading edge and trailing edge of an Airfoil, aerofoil cross section parallel to the direction of the airflow. The chord length is the distance between the trailing edg ...

, a measure of the geometry of an airfoil

Military

Merchant aircraft carrier A merchant aircraft carrier (also known as a MAC ship, the Admiralty (United Kingdom), Admiralty's official 'short name') was a limited-purpose aircraft carrier operated under British and Dutch civilian registry during World War II. MAC ships ...

, used during World War II by Britain and the Netherlands * Mission Assurance Category, a US Department of Defense engineering designation *

Modern Army Combatives The US Army Combatives School was founded in 2000 by then Sergeant First Class Matt Larsen and is located at building 69, Fort Benning, Georgia. It teaches a martial art unique to the United States Army called Modern Army Combatives (MAC). Hi ...

, a hand-to-hand combat training regimen

Sports

Clubs and teams

Maranhão Atlético Clube Maranhão Atlético Clube, usually known as Maranhão or MAC, is a Brazilian football club from São Luís, Maranhão state. They are currently ranked fifth among Maranhão teams in CBF's national club ranking, at 166th place overall. Histor ...

, a Brazilian association football club *

Marília Atlético Clube Marília Atlético Clube, commonly referred to as Marília, is a Brazilian professional association football club based in Marília, São Paulo. The team competes in the Campeonato Paulista Série A3, the third tier of the São Paulo state foot ...

, a Brazilian association football club *

Missouri Athletic Club The Missouri Athletic Club (often referred to as the MAC), founded in 1903, is a private city and athletic club with two locations. The Downtown Clubhouse is in Downtown St. Louis, Missouri, USA and the West Clubhouse is located in the St. Lou ...

, a traditional gentlemen's and athletic club in downtown St. Louis, Missouri *

Multnomah Athletic Club The Multnomah Athletic Club (MAC) is a private social club, social and sports club, athletic club in Portland, Oregon, United States. It was founded in 1891 as the Multnomah Amateur Athletic Club, a coordinating body for team and individual spor ...

, a private athletic club in Oregon

Conferences

College

Mid-American Conference The Mid-American Conference (MAC) is a collegiate List of NCAA conferences, athletic conference with a membership base in the Great Lakes region (North America), Great Lakes region that stretches from Western New York to Illinois. Its members co ...

, an NCAA Division I (Football Bowl Subdivision) sports conference *

Mid-Atlantic Rifle Conference The Mid-Atlantic Rifle Conference (MAC) is a National Collegiate Athletic Association (NCAA) Shooting sport#Rifle, rifle-only conference. The MAC was established in 1978 for schools that sponsor NCAA sanctioned varsity rifle teams, but do not have ...

, an NCAA rifle-only conference *

Middle Atlantic Conferences The Middle Atlantic Conferences (MAC) is an umbrella organization of three List of NCAA conferences, intercollegiate athletic conferences that competes in the National Collegiate Athletic Association, NCAA's NCAA Division III, Division III. The 1 ...

, an umbrella organization for three NCAA Division III sports conferences **

Middle Atlantic Conference The Middle Atlantic Conferences (MAC) is an umbrella organization of three intercollegiate athletic conferences that competes in the NCAA's Division III. The 16 member colleges are in the Mid-Atlantic United States. The organization is divided ...

, one of these three

High school

* Macomb Area Conference, a Michigan high school football conference * Mayflower Athletic Conference, in the

Massachusetts Interscholastic Athletic Association The Massachusetts Interscholastic Athletic Association (MIAA) is an organization that sponsors activities in thirty-three sports, comprising 374 public high school, public and private high school, private high schools in the U.S. state of Mass ...

* 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 The name Mac has been used for four tropical cyclone A tropical cyclone is a rapidly rotating storm system with a low-pressure area, a closed low-level atmospheric circulation, strong winds, and a spiral arrangement of thunderstorms that ...

Macedonian language Macedonian ( ; , , ) is an Eastern South Slavic language. It is part of the Indo-European languages, Indo-European language family, and is one of the Slavic languages, which are part of a larger Balto-Slavic languages, Balto-Slavic branch. Sp ...

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