Mac

Mac may refer to:

In computer science and telecommunications:

Macintosh, a brand of personal computers
Mac OS, the first series of graphical user interface-based operating systems made for Macintosh computers
Mac OS X, the second, and current line of graphical user interface-based operating systems for Macintosh computers
- Mac OS X Leopard, the most recent release of Mac OS X

In people:

In fictional characters:

Macalester, a pure evil character in the popular game Nexus War
Little Mac (Punch-Out!!), the main character in the game Mike Tyson's Punchout
MacGyver, a television series
Captain Mac, a minor character from Final Fantasy Mystic Quest
Mac (Fosters Home for Imaginary Friends character), a television character
Cindy "Mac" Mackenzie, a character from the TV series Veronica Mars
Lt. Col. Sarah "Mac" MacKenzie, a character from the TV series JAG
Mac Taylor, a character from the TV series CSI: NY
Mac (It's Always Sunny In Philadelphia character)
Mac (Green Wing), a character on the British sitcom Green Wing

In politics:

Other:

McMaster University in Canada
Mac (Irish surname prefix), Gaelic for "son", often appearing in Irish and Scottish surnames
Mac (novel), by John MacLean
mac (Birmingham), formerly known as the Midlands Arts Centre, in Birmingham, UK
Macaroni, a type of pasta
Mackintosh, a raincoat
Fleetwood Mac, an influential rock group

MAC

MAC may refer to:

In air travel:

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
Mid-air collision, a type of aviation accident
Military Airlift Command, the predecessor of the Air Mobility Command of the United States Air Force

In biology:

Membrane attack complex, one of the ultimate weapons of the immune system
Minimum alveolar concentration, a term used in anaesthesia
Mitochondrial Apoptosis-induced Channel, the cytochrome c release pore of apoptotic mitochondria
Mycobacterium avium complex, a group of environmental pathogens

In computer science and telecommunications:

Media Access Control, a channel access method
- MAC address, the Media Access Control address of a computer networking device
MAC times, file system metadata
MAC-unit, a hardware unit which takes a stream of numbers which get scaled and summed
Mandatory access control, a technique to protect and contain computer processes, data and devices
Message authentication code, a short piece of information used to authenticate a message
Migration Authorisation Code, a unique identifier used by broadband consumers
Money Access Center, an interbank network operating ATMs and POS terminals
Multiplexed Analogue Components, a high-definition television transmission standard
Project MAC, a project known for releasing MACLISP
Marker-And-Cell, a method for storing information used in fluid and other simulations

In museums:

Museu d'Arqueologia de Catalunya, an archaeology museum in Catalonia
Museu de Arte Contemporânea de Niterói, a museum situated in the city of Niterói, Brazil

In politics:

Mainland Affairs Council, an agency under the Executive Yuan of the Republic of China
Mouvement Autonome Casamançais, a now-defunct political party in Casamance, Senegal
Mouvement d'Action Civique, a defunct Belgian far right group
Movimento de Acção Nacional, a defunct Portuguese far right group
Mudiad Amddiffyn Cymru, a Welsh organization responsible for a number of bombing incidents

In sports:

Mid-American Conference, a NCAA Division I (Football Bowl Subdivision) sports conference
Middle Atlantic Corporation, a NCAA Division III sports conference
Maranhão Atlético Clube, a Brazilian football (soccer) club
Mid-Atlantic Athletic Conference, a Washington, D.C. area high school athletic league
Mississippi Athletic Conference, a high school sports conference in the Iowa Quad Cities
M. A. Chidambaram Stadium, a cricket stadium in India.
Macomb Area Conference, a Michigan high school football conference

Other:

MAC Cosmetics, a brand
MAC-10, a submachine gun
Macomb (Amtrak station), Illinois, United States; Amtrak station code MAC.
Magnetic Accelerator Cannon, a fictional weapon from the Halo video game series
Manhattan Association of Cabarets & Clubs
Material adverse change
Michigan Agricultural College, the former name of Michigan State University
Modern Army Combatives, hand-to-hand combat training
Morgan Advanced Ceramics, a ceramic manufacturing company
Musical Arts Conference, a marching band competition circuit
Mount Aloysius College, a Catholic college in central Pennsylvania