ACS
From Wikipedia, the free encyclopedia
ACS is a three-letter abbreviation with multiple meanings:
- ACS International Schools, formerly American Community Schools, a group of schools in southern England
- Action Code Script, a scripting language used in video games such as HeXen and modern Doom ports
- Actividades de Construcción y Servicios, S.A. (IBEX-35 stock symbol: ACS) Madrid, Spain
- Acute coronary syndrome (see angina), also known as "unstable angina", a form of chest pain due to reduced oxygen supply to the heart muscle
- Adam Carolla Show, American morning radio program
- Adaptive Comfort Standard, unofficial name for Standard 55 published by the American Society of Heating, Refrigerating and Air-Conditioning Engineers
- Administration for Children's Services
- Administrative command system
- Advanced Camera for Surveys, an instrument aboard the Hubble Space Telescope
- Advanced Computing Systems
- Aerial Common Sensor, a reconnaissance aircraft airframe developed by Lockheed Martin
- Affiliated Computer Services (stock symbol: ACS)
- African Cooperative Society
- Air Cess (Liberia), from its ICAO airline designator
- Alaska Communications System, former name of AT&T Alascom, an American communications services company
- Alaska Communications Systems, an American communications services company, distinct from "AT&T Alascom"
- Alternative Community School, former name of Lehman Alternative Community School of Ithaca, New York, United States
- Alternative compensation system
- American Camellia Society
- American Cancer Society, an American medical organization
- American Carbon Society
- American Ceramic Society
- American Cetacean Society
- American Cheese Society
- American Chemical Society, an American professional association
- American College of Sofia, a Bulgarian secondary school
- American College of Surgeons
- American Colonization Society
- American Community Schools, an English-speaking private school system in Athens, Greece
- American Community Survey, a project of the U.S. Census Bureau
- American Constitution Society for Law and Policy, or simply "American Constitution Society", a non-profit educational organization
- American Cryonics Society
- Anchorage Christian Schools
- Anglo Chinese School (ACS) Klang
- Anglo-Chinese School, Singapore
- Apolyton Civilization Site
- Army Community Service (United States)
- Associated Colleges of the South (United States)
- Association for Canadian Studies
- Association of Caribbean States
- Association of Cricket Statisticians and Historians
- Assumption College School
- Australian Cinematographers Society
- Australian Computer Society
- Australian Correspondence Schools
- Australian Customs Service
- Automobil Club der Schweiz
- Auxiliary Crane Ship (US Navy hull classification symbol)

