| Acronym | Definition |
|---|
| ABL | Airborne Laser |
| ABL | Academia Brasileira de Letras (Brazilian Academy of Letters) |
| ABL | Ablative (grammatical case) |
| ABL | Asset Based Lending |
| ABL | American Basketball League (defunct) |
| ABL | Atmospheric Boundary Layer |
| ABL | Abelson Murine Leukemia Viral Oncogene Homolog |
| ABL | Abetalipoproteinemia |
| ABL | A Bug's Life (movie) |
| ABL | Above Baseline |
| ABL | Above the Law |
| ABL | Ambler, AK, USA (Airport Code) |
| ABL | Allocated Baseline |
| ABL | Automatic Brightness Limiter |
| ABL | Armored Box Launcher |
| ABL | A Behavior Language (reactive planning language) |
| ABL | Ammunition Basic Load |
| ABL | American Boat Listing |
| ABL | Advanced Bimetallic Liner (RC airplane construction) |
| ABL | Allegheny Ballistics Laboratory |
| ABL | ATLAS Basic Language |
| ABL | Allied Bank of Pakistan Ltd |
| ABL | Armée Belge Belgisch Léger |
| ABL | Aircraft Based Laser |
| ABL | Assured Billing Lookup (Accudata) |
| ABL | Advanced Baseline |
| ABL | Address Block Locator |
| ABL | Above Base Line |
| ABL | Additional Bypass Linking |
| ABL | Atmospheric Burst Locator |
| AbL | Arbeitsgemeinschaft Bäuerliche Landwirtschaft eV (Germany) |
| ABL | Active Badge Location |
| ABL | Army Biological Labs (Frederick, MD) |
| ABL | Accomplishment-Based Learning (Sterling Performance Corporation) |
| ABL | Area Business Listing |
| ABL | As-Built List |
| ABL | Automatic Bootstrap Loader |
| ABL | Army Battle Laboratory |
| ABL | Axiobuccolingual |
| ABL | Automated Base Locator System |
| ABL | Acquire Before Launch |
| ABL | Allocated/Above Baseline |
| ABL | A Blockdiagram Language |
| ABL | Atomic Boundary Layer |
| ABL | Aluminum Barrier Layer (tube filling) |
| ABL | Administrative Boundary Lines |
| ABL | Automatic Brightness Current Limiter |
| ABL | Amaterska Bowling Liga (Amateur Bowling League) |