may refer to:
- Multiplexed Analogue Components , a high-definition television transmission standard.
- MAC , a brand of cosmetics
- MAC Times , short for "Modification, Access, and Change" times in a computer file
- MAC , the ISO 3166-1 country code, Asian Games country code or FIFA country code for Macau
- Mammalian Artificial Chromosome
- Mandatory Access Control , a technique to protect and contain computer processes, data, and system devices from misuse
- Maximum Allowable Concentration of toxins, e.g. in food or as reference in environmental remediation
- Mean Aerodynamic Chord
- Media Access Control , a term in computer networking
- MAC Address , the Media Access Control address of a networking device
- Merchant Aircraft Carrier ships
- Message Authentication Code , in cryptography
- Metropolitan Airports Commission , the operator of airports in the Minneapolis-St. Paul region of Minnesota
- Michigan Aerospace Corporation , a company in Ann Arbor, Michigan, USA
- Michigan Agricultural College, the name of Michigan State University from 1909 to 1925
- Mid-American Conference , a U.S. collegiate sports conference
- Middle Atlantic Conference , a US collegiate sports conference (may also refer to its parent group, the Middle Atlantic Corporation )
- Mac (Birmingham) , or the Midlands Arts Centre, a venue in Birmingham, England
- Migration Authorisation Code in Internet transfer
- Military Airlift Command , the predecessor of the Air Mobility Command of the United States Air Force
- Minimum Alveolar Concentration , a term used in anaesthesia
- Mobile Advisory Council
- Money Access Center , a network of ATMs
- '' Casamancian Autonomous Movement '', a now-defunct political party in Casamance, Senegal
- In the Plain Old Telephone Service , "moves, adds, and changes", a set of administrative tasks
- Multiply-accumulate , a computer arithmetic operation, common in digital signal processor contexts
- Archaeology Museum Of Catalonia , an archaeology museum in Catalonia
- Musical Arts Conference , a marching band competition circuit
- Project MAC , a project known for releasing MACLISP, an old version of the computer programming language LISP
- Mudiad Amddiffyn Cymru , a Welsh republican organization responsible for a number of bombing incidents between 1963 and 1969
|
