# APS

APS or Aps or aps or similar may refer to:

## Businesses and organizations
### Businesses and public bodies

* Algeria Press Service, a news agency
* Arizona Public Service, an electric power company
* Australian Protective Service, an Australian Commonwealth law enforcement agency
* Australian Public Service, the federal civil service of the Commonwealth of Australia
* ASTRA Platform Services, now SES Platform Services

### Education

* Abbottabad Public School, in Pakistan
* Adarsh Public School, in India
* Alamogordo Public Schools, in New Mexico, U.S.
* Albuquerque Public Schools, in New Mexico, U.S.
* Allendale Public Schools, in Michigan, U.S.
* Arlington Public Schools, in Virginia, U.S.
* Associated Public Schools of Victoria, in Australia
* Atlanta Public Schools, in Georgia, U.S.
* Aurora Public Schools
** Aurora Public Schools (Colorado), in Colorado, U.S.
** East Aurora Public School District 131, in Illinois, U.S.
** West Aurora Public School District 129, in Illinois, U.S.
* Indian Army Public Schools

### Other organisations

* Aborigines' Protection Society, a human rights group
* Alternative Press Syndicate, a network of countercultural newspapers and magazines
* American Philatelic Society, a stamp collecting foundation
* American Philosophical Society, an American scholarly organization
* American Physical Society, a not-for-profit membership organization
* American Physiological Society, a non-profit professional society
* American Phytopathological Society, an international scientific organization
* Armenian Professional Society, a membership organization
* Association for Psychological Science, an international non-profit organization
* Association for Psychosocial Studies, a British learned society
* Australasian Proteomics Society, a learned society
* Australian Psychological Society, a professional association

## Places

* Alba-la-Romaine, Ardèche, France, known as Aps until 1904
* Apsley railway station, England, station code APS

## Science and technology

* Adenosine 5'-phosphosulfate, metabolic precursor to 3'-phosphoadenosine-5'-phosphosulfate
* Antiphospholipid syndrome, an autoimmune state
* Autoimmune polyendocrine syndrome, a rare disease
* Advanced Photon Source, a synchrotron X-ray source at Argonne National Laboratory
* Algebra of physical space, in physics
* Ammonium persulfate, in chemistry
* Apus, abbreviation Aps, a constellation
* Application Packaging Standard, for integrating application software
* Active-pixel sensor, an image sensor
* Advanced Photo System, a film format in photography
* Asynchronous Protocol Specification, or X.445, a telecommunications standard
* Atmospheric Plasma Spray, a thermal spraying technique
* Application support sublayer of the Zigbee specification
* Accessible Pedestrian Signal, a pedestrian crossing
* Alstom APS, electrical ground-level power supply for trams
* Auxiliary Propulsion System of the S-IVB launch vehicle

## Military

* APS underwater rifle, a Soviet firearm
* Active protection system, for vehicles against missile attacks
* Africa Partnership Station, a United States Navy maritime safety initiative
* Stechkin automatic pistol (Avtomaticheskiy Pistolet Stechkina)
* APS, a classification symbol United States Navy amphibious warfare ships

## Other uses

* Adult Protective Services, social services in the United States
* Advanced planning and scheduling, a manufacturing management process
* Annual Population Survey, a household survey in Great Britain
* Anpartsselskab (ApS), the Danish term for a limited liability company
* Average propensity to save, in Keynesian economics