ABL

• A Beautiful Lie
• A Block diagram Language
• A Bug's Life
• A Bug's Life (video game)
• ABL (gene)
• AL-Bank Ligaen
• ASEAN Basketball League
• Abetalipoproteinemia
• Ablative case
• Academia Brasileira de Letras
• Activity-based learning
• Advanced Business Language
• African Basketball League
• Air Busan
• Airborne Laser
• Alameda Belt Line
• Alaska Baseball League
• Allegany Ballistics Laboratory
• Ambler Airport
• American Basketball League (1925–55)
• American Basketball League (1961–63)
• American Basketball League (1996–98)
• American Basketball League (2013)
• Armored Box Launcher
• Asset-based lending
• Atmospheric boundary layer
• Australian Baseball League
• Australian Baseball League (1989–99)
• Australian bat lyssavirus
• Lampung Nyo language
• NSW Business Chamber
• OpenEdge Advanced Business Language