Pac or PAC may refer to:

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

Commerce

  • 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
  • Peres Academic Center, a private college in Israel

Military

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

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

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:
  • Public Accounts Committee (India)
  • Public Accounts Committee (Ireland)
  • Public Accounts Committee (Malaysia)
  • Public Accounts Committee (United Kingdom)
  • Public Affairs Committee (Malawi)

Science and technology

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#Registered_ports
  • Perceptual Audio Coder, a lossy audio compression algorithm
  • Pin Array Cartridge, an integrated circuit packaging type
  • Pointer Authentication Code, an ARM security feature
  • 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
  • Pocket Athletic Conference, a high school athletic conference located in Indiana, United States
  • Presidents' Athletic Conference, an NCAA Division III collegiate athletic conference located in the Appalachian region of the United States

Other uses

  • Pac, Albania, a village in Bytyç, Albania
  • Padiglione d'Arte Contemporanea, a museum in Milan, Italy
  • 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
  • Public assistance committee, a body in the UK for assisting the poor between 1930 and 1940

See also

  • Pac-12 Conference (Pac-12), a US college athletic conference
  • Pac-Man (disambiguation)
  • Public Affairs Council (disambiguation)