ABL

• Airborne Laser, a weapons system designed for use by the United States military • Air Busan of South Korea (ICAO airline code) • IATA airport code for Ambler Airport in State of Alaska, USA ==Companies, groups, organizations==

• ABL Space Systems • Alameda Belt Line railroad • NSW Business Chamber, formerly Australian Business Limited, a business organisation • Academia Brasileira de Letras (Brazilian Academy of Letters) • Allied Bank Limited, a Pakistani bank ==Computing==

• A Block diagram Language, a hardware description language • Advanced Business Language, the new name for Progress 4GL • OpenEdge Advanced Business Language, a business application development language created and maintained by Progress Software Corporation ==Medicine==

• ABL (gene), a proto-oncogene associated with chronic myelogenous leukemia • Abetalipoproteinemia, a rare genetic disorder • Accidental bowel leakage, also known as fecal incontinence ==Entertainment==

• A Beautiful Lie, 30 Seconds to Mars's second studio album • ''A Bug's Life'', a 1998 film • ''A Bug's Life'' (video game), the video game based on the film ==Military and weaponry==

• Allegany Ballistics Laboratory • Armored Box Launcher, a launch container for the BGM-109 Tomahawk cruise missile ==Sports==

• African Basketball League • Alaska Baseball League • American Basketball League, a name that has been used by three defunct basketball leagues in the United States: • American Basketball League (1925–1955), an early professional basketball league • American Basketball League (1961–1962), a league that only played a single full season • American Basketball League (1996–1998), a women's basketball league • American Basketball League (2013–2015), a semi-professional men's basketball league • ASEAN Basketball League, a professional basketball league for ASEAN nations • Australian Baseball League: • Australian Baseball League (1989–1999) (defunct) • Australian Baseball League • AL-Bank Ligaen, a former name for Denmark's top men's ice hockey league ==Other uses==

• Activity-based learning, a range of pedagogical approaches to teaching based on doing some hands-on experiment and activities • , glossing abbreviation for ablative case • Asset-based lending • Atmospheric boundary layer, the region where the atmosphere interacts with the surface of the earth • Australian bat lyssavirus, a rabies-like virus found in Australian bats • Lampung Nyo language, an Austronesian language of Indonesia, by ISO 639-3 language code ==See also==