APS

APS or Aps or aps or similar may refer to:

Education

 * Abbottabad Public School
 * Adarsh Public School, a public school in New Delhi, India
 * Alamogordo Public Schools
 * Albuquerque Public Schools, New Mexico, US school district
 * Allendale Public Schools
 * Arlington Public Schools, a School division in Arlington County, Virginia
 * Indian Army Public Schools
 * Associated Public Schools of Victoria, independent school group, Australia
 * Atlanta Public Schools
 * Abbotsford Public School, in Abbotsford, New South Wales

Medicine and physiology

 * Adenosine 5'-phosphosulfate, metabolic precursor to 3'-phosphoadenosine-5'-phosphosulfate (PAPS)
 * Antiphospholipid syndrome
 * Autoimmune polyendocrine syndrome

Organizations, media and firms

 * ASTRA Platform Services
 * Aborigines' Protection Society
 * Adult Protective Services
 * Algeria Press Service, news agency based in Algiers, Algeria
 * Alternative Press Syndicate, formerly Underground Press Syndicate
 * American Philatelic Society, or their postage stamp authentication service
 * American Philosophical Society
 * American Physical Society
 * American Physiological Society
 * American Phytopathological Society
 * Arizona Public Service, an electric power company
 * Armenian Professional Society
 * Association for Psychological Science
 * Association for Psychosocial Studies
 * Australasian Proteomics Society
 * Australian Federal Police Protective Service, formerly Australian Protective Service
 * Australian Psychological Society
 * Australian Public Service

Places

 * Anápolis, Goiás, Brazil, IATA airport code
 * Apsley railway station, Apsley, England, National Rail code
 * Alba-la-Romaine, Ardèche, France, known as Aps until 1904

Science

 * Advanced Photon Source, a synchrotron X-ray source at Argonne National Laboratory
 * Algebra of physical space
 * Ammonium persulfate, oxidizing agent commonly used in polyacrylamide gels
 * Apus, IAU abbreviation

Technology

 * Application Packaging Standard
 * Active pixel sensor
 * Advanced Photo System, photography
 * APS-C and APS-H, digital camera sensor formats
 * Asynchronous Protocol Specification, or X.445, a telecommunications standard
 * Atmospheric Plasma Spray, a thermal spraying technique
 * Application Support sublayer of the Zigbee specification

Transport

 * Accessible Pedestrian Signal
 * Alimentation par Sol, electrical ground-level power supply for trams by Alstom
 * Auxiliary Propulsion System, a component of the Saturn V S-IVB upper stage
 * A retired US Navy hull classification symbol: Transport submarine (APS)

Weaponry

 * APS Stechkin, Soviet machine pistol
 * APS underwater rifle
 * Active protection system, for vehicles against missile attacks

Other

 * Advanced planning and scheduling
 * Annual Population Survey, a household survey in Great Britain
 * Anpartsselskab, the Danish abbreviation (ApS) for a limited liability company
 * Africa Partnership Station, a United States Navy maritime safety initiative
 * Average propensity to save, proportion of income which is saved