PAC

Pac or PAC may refer to:

Military

 * Rapid Deployment Force (Malaysia), an armed forces unit
 * Patriot Advanced Capability, of the MIM-104 Patriot missile
 * Civil Defense Patrols (Patrullas de Autodefensa Civil), Guatemalan militia and paramilitary group

Geography

 * Pac, Albania, a village in Bytyç

Aviation

 * IATA code PAC Albrook "Marcos A. Gelabert" International Airport in Panama City, Panama
 * Pacific Aerospace Corporation, New Zealand, manufacturer of aircraft:
 * PAC 750XL
 * PAC Cresco
 * PAC CT/4
 * PAC Fletcher
 * Pakistan Aeronautical Complex, aerospace manufacturer
 * Polar Air Cargo airline, Purchase, New York, US

Business

 * Panasonic Avionics Corporation, produces equipment and services for in-flight entertainment etc.
 * Peruvian Amazon Company, a former rubber company
 * Planned Amortization Class, a type of collateralized mortgage obligation
 * Programa de Aceleração do Crescimento, an investment plan in Brazil

Education

 * Panasonic Academic Challenge, a US national competition
 * Postgraduate Applications Centre, Ireland
 * Prince Alfred College, Australia
 * Professionals' Academy of Commerce, an accounting school in Pakistan
 * Peres Academic Center, a private college in Israel

Politics

 * Anti-Corruption Party (Partido Anti-Corrupción), Honduras
 * Armed Proletarians for Communism (Proletari Armati per il Comunismo), a former Italian group
 * Pan Africanist Congress, South Africa
 * Partido Acción Ciudadana (disambiguation), several political parties in Latin America
 * Peoples' Aman Committee, a criminal gang and welfare group associated with the Pakistan Peoples Party
 * Political action committee, U.S. political fundraiser
 * Political Affairs Committee (British Guiana)
 * Polish American Congress
 * Public Accounts Committee (India)
 * Public Accounts Committee (Malaysia)
 * Public Accounts Committee (United Kingdom)
 * Public Affairs Committee (Malawi)

Other organizations

 * Padiglione d'Arte Contemporanea, a museum in Milan, Italy
 * Pedorthic Association of Canada
 * Provincial Armed Constabulary (India)
 * Public assistance committee, former UK institutions for assisting the poor

People

 * Pac (wrestler) (born 1986), English professional wrestler
 * Pac (family), of the Grand Duchy of Lithuania
 * Tupac Shakur or Pac, 2Pac (1971–1996), American rapper

Biology and medicine

 * Physician assistant, certified, commonly abbreviated in the USA as PA-C
 * Plasma aldosterone concentration
 * Post-abortion care
 * Pre-anesthesia checkup
 * Premature atrial contraction, a cardiac dysrhythmia
 * Photoactivated adenylyl cyclase, a light-sensitive protein
 * Proanthocyanidin, a type of flavanol
 * Pulmonary artery catheterization

Computing and industrial

 * Pacifica Coin, see List of TCP and UDP port numbers
 * Perceptual Audio Coder, a lossy audio compression algorithm
 * Pin Array Cartridge, an integrated circuit packaging type
 * Probably approximately correct, in machine learning
 * Presentation–abstraction–control, in software architecture
 * Programmable Automation Controller; see Computer appliance
 * Proxy auto-config, a web browser technology

Other science and technology

 * Perturbed angular correlation
 * Polyaluminium chloride, less effective than aluminium chlorohydrate for water treatment
 * Porting Authorisation Code, to transfer mobile phone numbers
 * Pseudo algebraically closed field (PAC field), in mathematics
 * Powdered activated carbon, used in electrochemical regeneration
 * Pure and Applied Chemistry, the official monthly journal of IUPAC

Sports

 * Pennsylvania Athletic Conference, former name of the Colonial States Athletic Conference, an NCAA Division III collegiate athletic conference located in Pennsylvania, United States
 * Pioneer Athletic Conference, a high school athletic conference located in Pennsylvania, United States
 * Presidents' Athletic Conference, an NCAA Division III collegiate athletic conference located in the Appalachian region of the United States
 * Pocket Athletic Conference, a high school athletic conference located in Indiana, United States

Other uses

 * Pan Asian Coalition, faction in the computer game Battlefield 2142
 * Parent-Adult-Child, a model in transactional analysis
 * Perfect authentic cadence, in music
 * Performing arts center
 * Providence Anime Conference, 2008