APC

• Auto Power Control, a system of powering e.g. laser diodes
• Adaptive predictive coding, an analog-to-digital conversion system
• Advanced process control, a concept in control theory
• Alternative PHP Cache, a PHP accelerator program
• Angled physical contact, a technique used in optical fiber connections
• APC (magazine), Australian Personal Computer magazine
• APC III or Advanced Personal Computer, a 1983 NEC microcomputer
• APC by Schneider Electric, formerly American Power Conversion Corporation or simply APC, a manufacturer of uninterruptible power supplies, electronics peripherals and data center products
• APC-7 connector, a coaxial connector used for high frequency applications
• Application Program Command, a C1 control code
• Asynchronous procedure call, a function that executes asynchronously in the context of a specific thread on Microsoft Windows
• Atari Punk Console, a simple DIY noisemaker circuit
• VIA APC, a low-cost Android PC computer

• Article processing charge, a fee charged to authors for publication in an open access journal

• Activated protein C, an anti-coagulant and anti-inflammatory protein
• Adenomatous polyposis coli, a tumor suppressor protein encoded by the APC gene, mutations in which can cause colon cancer
• Anaphase-promoting complex, a ubiquitin ligase cell cycle protein
• Antigen-presenting cell, a type of cell that displays foreign antigens
• Amino Acid-Polyamine-Organocation (APC) Family of transport proteins
• APC Superfamily, a superfamily of transport proteins
• APC tablet, analgesic compound of aspirin, phenacetin, and caffeine
• Argon plasma coagulation, an endoscopic technique for controlling hemorrhage
• Atrial premature complexes, a type of premature heart beat or irregular heart beat or arrhythmia which start in the upper two chambers of the heart
• Australian Plant Census, a plant database website

• Allophycocyanin, a protein from the light-harvesting phycobiliprotein family
• Allylpalladium chloride dimer, a chemical compound
• Ammonium perchlorate, a powerful oxidizer used in solid rocket motors

• Armoured personnel carrier, type of armoured military vehicle
• Armour-piercing capped, an anti-armor shell type
• Army Proficiency Certificate, the training syllabus of the Army Cadet Force
• Brügger & Thomet APC (Advanced Police Carbine), a family of submachine guns and rifles produced by B&T AG
• Two US Navy hull classification symbols: Coastal transport (APC) and Small coastal transport (APc)

• Astroparticle and Cosmology Laboratory, a research laboratory located in Paris
• A.P.C., A French design group and clothing retailer
• African, Caribbean and Pacific Group of States, a group of countries
• African Paralympic Committee, a sports organization based in Cairo, Egypt
• African People's Convention, a South African political party
• Alianza Popular Conservadora, a political party in Nicaragua
• Alien Property Custodian, a former office within the Government of the United States
• All People's Congress, a political party in Sierra Leone
• All Progressives Congress, a political party in Nigeria
• Alternativa Popular Canaria, a separatist political party of the Canary Islands
• American Pie Council, an organization committed to preserving America's pie heritage
• American Plastics Council, a major trade association for the U.S. plastics industry
• Americas Paralympic Committee, an umbrella organization of National Paralympic Committees
• Anadarko Petroleum Corporation, a defunct American petroleum exploration company
• Animal Procedures Committee, a UK public body and task force
• Anti-Poverty Committee, a direct action organization in Vancouver, Canada
• Apocalypse Production Crew, an MP3 warez organization
• Arab Potash Company, a potash production company headquartered in Jordan
• Armed Proletarians for Communism, an Italian far-left terrorist group of the 1970s
• Arrangers' Publishing Company, a sheet music publishing company in the United States
• Asia Pacific College, a joint venture between IBM Philippines and the SM Foundation
• Asian Paralympic Committee, an umbrella organisation of National Paralympic Committees
• Associated Presbyterian Churches, a Scottish Christian denomination
• Association for Progressive Communications, a worldwide network of organisations helping others use the internet to promote social justice and sustainable development
• Association of Professional Chaplains, internationally certified hospice chaplains
• Australian Paralympic Committee
• Australian Polling Council, a polling industry body
• Patriotic Alliance for Change, a Paraguayan political alliance (Alianza Patriótica por el Cambio)

• Apc, Hungary, a village in the Heves County of Hungary
• Napa County Airport (IATA airport code APC), near Napa, California

• A Perfect Circle, an American rock supergroup
• Alkali Pozzolan Cement, an alternative cement developed at Curtin University, Australia
• Ambulatory Payment Classification
• Attoparsec, an unusual minuscule unit of astronomic distance
• Australian Provincial Championship, a rugby union competition in Australia
• Automatic Performance Control, a system that was used on some Saab H engines
• Average propensity to consume, the proportion of income spent
• Levantine Arabic, by ISO 639-3 code
• North Levantine Arabic, by a previously separate ISO 639-3 code, which has now been broadened to include Levantine Arabic
• Vincent's APC, a discontinued analgesic compound of aspirin, phenacetin and caffeine, once popular in Australia

• APCR (disambiguation)
• APCS (disambiguation)

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