APL is an abbreviation, acronym, or initialism that may refer to:

Science and technology

  • 132524 APL, an asteroid
  • Abductor pollicis longus muscle, in the human hand
  • Acute promyelocytic leukemia, a subtype of acute myelogenous leukemia
  • Applied Physics Letters, a physics journal
  • Nampula Airport (IATA airport code: APL), in Mozambique

Computers

  • .apl, the file extension of the Monkey's Audio metadata file
  • AMD Performance Library, renamed Framewave, a computer compiler library
  • APL (programming language), an array-based programming language
  • APL (codepage), the character set for programming in APL
  • Address Prefix List, a DNS record type
  • Address (programming language), an early high-level programming language developed in the Soviet Union
  • Advanced Physical Layer, an extension of Ethernet 10BASE-T1L for field devices
  • Alexa Presentation Language, a language for developing Amazon Alexa skills
  • Associative Programming Language, a database query language

Software licences

  • Adaptive Public License, an Open Source license from the University of Victoria, Canada
  • AROS Public License, a license of AROS Research Operating System
  • Arphic Public License, a free font license

Organizations

  • APL (shipping company), a Singapore-based container and shipping company
  • Aden Protectorate Levies, a militia force for local defense of the Aden Protectorate
  • Advanced Production and Loading, a Norwegian marine engineering company formed in 1993
  • American President Lines, a container transportation and shipping company
  • American Protective League, a World War I-era pro-war organization
  • Applied Physics Laboratory, at Johns Hopkins University
  • Applied Physics Laboratory at the University of Washington
  • Association of Pension Lawyers, UK
  • Athletic Propulsion Labs, an American clothing company formed in 2009
  • Aurora Public Library (disambiguation)
  • Irish Anti-Partition League, a Northern Ireland political organisation

Sport

  • Abkhazian Premier League, the top-level association football league of Abkhazia
  • Afghanistan Premier League, an Afghan Twenty20 cricket league
  • Afghan Premier League, a men's football league in Afghanistan
  • Alberta Premier League, a Canadian association football league
  • American Patriot League, a proposed American football spring league
  • American Premiere League, a Twenty20 cricket league in the US
  • Armenian Premier League, the top-level association football league of Armenia
  • Australian Professional Leagues, an Australian soccer governing body
  • Azerbaijan Premier League, the top-level association football league of Azerbaijan

Other uses

  • apl.de.ap (born 1974), pseudonym of Allan Pineda Lindo, Filipino–American musician
  • A US Navy hull classification symbol: Barracks craft (APL)