APL

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

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
• Afghanistan Premier League, an Afghan Twenty20 cricket league
• Afghan Premier League, a men's football league in Afghanistan
• American Patriot League, a proposed American football spring league
• American Premiere League, a Twenty20 cricket league in the US
• 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
• Aurora Public Library (disambiguation)
• Australian Professional Leagues, an Australian soccer governing body
• Irish Anti-Partition League, a Northern Ireland political organisation

Other uses

• apl.de.ap (born 1974), pseudonym of Allan Pineda Lindo, Filipino-American musician
• Auxiliary Personal Living, a US Navy hull classification for barracks craft; see Auxiliary ship § Support