APC
Apc may refer to:
- Apc, Hungary, a village in the Heves county of Hungary
APC may also refer to:
- APC (gene), a human gene that is classified as a tumor suppressor gene
- Activated protein C, a protein involved in blood coagulation
- Allophycocyanin, a protein from the light-harvesting phycobiliprotein family
- Allylpalladium chloride dimer, a chemical compound
- Anaphase-promoting complex, a complex of several proteins which is activated during mitosis to initiate anaphase
- Antigen-presenting cell, a cell that displays foreign antigen complexed with MHC on its surface

# Clinical Trials
- Adenoma Prevention With Celecoxib
- A Perfect Circle, an alternative rock band
- American Presbyterian Church, a small Reformed Christian denomination in the United States formed in 1979
- Associated Presbyterian Churches, a small Scottish Christian denomination
- Armour-piercing capped, a category of anti-tank shell that has a soft metal cap on the penetrating nose
- Armoured personnel carrier, an armoured fighting vehicle developed to transport infantry on the battlefield
- Average propensity to consume, the proportion of income spent.
- All People's Congress, a political party of Sierra Leone
- Alternate Playing Cost, a cost to play a spell in the game Magic: The Gathering that is an alternative to the mana cost in the upper right hand corner of the card
- American Pie Council, the only organization committed to preserving America's pie heritage
- American Plastics Council, a major trade association for the U.S. plastics industry
- Animal Procedures Committee, a public body and task force of the United Kingdom government
- Anti-Poverty Committee, a direct action organization in Vancouver, Canada.
- Arab Potash Company in Jordan
- Archaeogeophysical Pseudotechnical Consultant, a consultant who utilizes archaeogeophysical pseudotechnical "black box" methods in geoarchaeological site investigations
- Arrangers' Publishing Company, a sheet music publishing company in the United States.
- Asia Pacific College, a non-profit joint-venture between IBM Philippines and the SM Foundation
- Association for Progressive Communications, an international network of organizations that was founded in 1990 to provide communication infrastructure
- Attoparsec, an unusual unit of measurement
- Australian Press Council, the self-regulatory body of the Australian print media
- Australian Provincial Championship, a rugby union competition in Australia
- Napa County Airport, California, United States, from its IATA airport code
- Armed Proletarians for Communism, an Italian far-left terrorist group of the 1970s.
- Argon plasma coagulation, an endoscopic technique for controlling hemorrhage
- Adaptive predictive coding, a narrowband analog-to-digital conversion that uses a one-level or multilevel sampling system
- Advanced process control, a broad term within the control theory
- Alternative PHP Cache, a PHP accelerator program
- American Power Conversion, a company with a worldwide presence based in West Kingston, Rhode Island
- APC-7 connector, a high grade sexless, 7 mm, coaxial connector used for high frequency applications up to 18 GHz
- Application Program Command, a control code; see C0 and C1 control codes
- aPOCALYPSE pRODUCTION cREW, a major MP3 warez organization founded by two individuals known under the pseudonyms acid^rain and Viper in May of 1997
- Australian Personal Computer, a computer magazine in Australia
- Automatic Performance Control, a system that was introduced on turbo charged Saab H engines in 1982
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