ABL
ABL is a three-letter acronym that may refer to:
- Abl gene, an oncogene associated with chronic myelogenous leukemia
- Abetalipoproteinemia, a rare genetic disorder
- Activity-based Learning, Activity Based Learning or ABL describes a range of pedagogical approaches to teaching. Its core premises include the requirement that learning should be based on doing some hands on experiment and activities.
- Ablative case
- A Beautiful Lie, 30 Seconds to Mars's second studio album
- A Bug's Life, a 1998 film
- A Block diagram Language, a hardware description language
- Advanced Business Language, the new name for Progress 4GL
- Airborne Laser, a weapons system designed for use by the United States military
- Alameda Belt Line railroad
- Alaska Baseball League
- Armored Box Launcher, a four-round protected launch container for the BGM-109 Tomahawk Cruise Missile
- Atmospheric Boundary Layer, the region where the atmosphere interacts with the surface of the earth: see Planetary boundary layer
- Australian bat lyssavirus, a rabies like virus found in Australian bats
- NSW Business Chamber, formerly Australian Business Limited, NSW's leading business organisation, NSW Business Chamber
- Brazilian Academy of Letters (in Portuguese, Academia Brasileira de Letras)
- American Basketball League, a name that has been used by three defunct basketball leagues in the United States:
- ASEAN Basketball League, a professional basketball league for ASEAN nations.
- Australian Baseball League
- Allegany Ballistics Laboratory
- Asset-based lending
- Atmospheric boundary layer
- ICAO airline code for Air Busan of South Korea
- IATA airport code for Ambler Airport in Alaska