APL

• 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)