ACP

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AviationEdit

Aerospace Cadets of the Philippines, a co-educational youth program oriented in aerospace technology
Airport Core Programme, Hong Kong
IATA airport code for Sahand Airport in Maragheh, East Azerbaijan Province, Iran
IBM Airline Control Program, software operating system

Albany College of Pharmacy, New York
American College of Pathology, an association of diagnostic pathologists, physicians, and laboratory professionals, based in Houston, TX
American College of Physicians, a national organization of internal medicine physicians in the US
American College of Prosthodontists, dentistry
American College of Psychiatrists, a US association of psychiatrists based in Chicago, Illinois
Appalachian College of Pharmacy, Virginia, US
Association of Cancer Physicians, a specialty association in the UK for medical oncologists
Australian College of Pharmacy

Aberdeen Central (Scottish Parliament constituency)
Aberdeen Central (UK Parliament constituency)
Aberdeenshire Central (UK Parliament constituency)
A Coruña (Parliament of Galicia constituency)
Active Citizen Project, a New York City-based non-profit organization founded in 2003
African, Caribbean and Pacific Group of States
Alliance for Climate Protection, a non-profit organization involved in education and advocacy related to climate change
American College of Pediatricians, a socially conservative advocacy group of pediatricians and other healthcare professionals, Gainesville, FL
American Communist Party (2024)
Asociación Cívica de Potosí, a Nicaraguan political organization founded in 1996
Australian Citizens Party, a political party in Australia previously known as Citizens Electoral Council
A Connecticut Party, a political party formed in 1990 in Connecticut, US

Academy Chicago Publishers
Allied Communications Publications, documents developed by the Combined Communications-Electronics Board and NATO
Are Media formerly ACP Magazines and Australian Consolidated Press
Associated Construction Publications

American Charities for Palestine, a non-profit organisation supporting the development of Palestinian education
Associated Collegiate Press, a national organization for college student media in the US
Association of Chess Professionals, a non-profit organisation to protect the rights of professional chess players and promote chess worldwide
Association of Chinese Professionals
Atari Coldfire Project, a volunteer project that has created a modern Atari ST computer clone called the FireBee
Audax Club Parisien, a cycling club

Acampe, an orchid genus
Accessory gland protein, a non-sperm component of semen
Acepromazine, veterinary sedative
Acetophenone, a chemical compound
ACP1 (low molecular weight phosphotyrosine protein phosphatase), an enzyme encoded by the human ACP1 gene
ACP2 (lysosomal acid phosphatase), an enzyme encoded by the human ACP2 gene
ACP3 (Prostatic acid phosphatase), an enzyme produced by the prostate
Acyl carrier protein, a component in both fatty acid and polyketide biosynthesis
Anterior chamber paracentesis, a surgical procedure done to reduce intraocular pressure of the eye
Asian citrus psyllid, or Diaphorina citri, a citrus pest and vector of citrus-greening disease
Atmospheric Chemistry and Physics, scientific publication
Autologous Conditioned Plasma, used for treatment of injuries
Automatic and controlled processes, the two categories of cognitive processing

Address confidentiality program, for crime victims
Advance care planning, for adults establishing their medical care policy in case they become incapacitated
Advanced clinical practitioner, a UK term for mid-level practitioner
Affordable Connectivity Program, for low-income households
Assistant Commissioner of Police, India and Hong Kong
Attorney–client privilege, a common-law concept in the United States
Eastern Acipa language, a Kainji language of Nigeria