| Acronym | Definition |
|---|
| ATB➣Ability to Benefit |
| ATB➣All The Best |
| ATB➣Authority to Board (commercial trade) |
| ATB➣Arab Tunisian Bank (Tunisia) |
| ATB➣Andy Timmons Band |
| ATB➣Antibiotic |
| ATB➣Alberta Treasury Branches |
| ATB➣Absolutely the Best (various companies) |
| ATB➣Active Time Battle (roleplaying game) |
| ATB➣Across the Board |
| ATB➣André Tanneberger (musician) |
| ATB➣Antibiotice SA (Romania) |
| ATB➣America The Beautiful |
| ATB➣Active Time Battle |
| ATB➣Active Turn Based |
| ATB➣Anguilla Tourist Board |
| ATB➣Alternate Top Bevel (saw blades) |
| ATB➣Approved Training Body (UK) |
| ATB➣All Terrain Bike |
| ATB➣Advanced Trace Bus (computing) |
| ATB➣All Terrain Binoculars (ruggedized all-weather binoculars) |
| ATB➣All-Time Best |
| ATB➣Anti-Terrorism Bill (various locations) |
| ATB➣Advanced Technology Bomber (B-2) |
| ATB➣Automatic Torque Biasing |
| ATB➣Association for Tropical Biology |
| ATB➣All Time Buy |
| ATB➣All Terrain Board |
| ATB➣All Trunks Busy |
| ATB➣Asphalt Treated Base |
| ATB➣America's Talent Bank |
| ATB➣Articulated Total Body |
| ATB➣Air Terminal Building |
| ATB➣Automated Ticket and Boarding Pass (airline industry) |
| ATB➣Atmospheric Tower Bottom (industrial process) |
| ATB➣Aged Trial Balance (accounts receivable) |
| ATB➣Auburn Tourism Board (Washington) |
| ATB➣Articulated Tug and Barge |
| ATB➣Automatische Trein Beinvloeding (Dutch: automatic train control) |
| ATB➣Agricultural Training Board |
| ATB➣Amazon Tree Boa (snake) |
| ATB➣Advanced Tactical Bomber |
| ATB➣Air to Boil (temperature) |
| ATB➣Air Turn Back (aviation) |
| ATB➣After the Bang (period just after the Big Bang) |
| ATB➣Available to Build (Dell) |
| ATB➣Air Transport Board (Canada) |
| ATB➣Anti-Terrorist Branch (UK) |
| ATB➣Analytical Tool Box |
| ATB➣Austrian Testing Board |
| ATB➣Air Technical Battalion |
| ATB➣Army Training Board |
| ATB➣Above-Ground Telecommunications Backbone |
| ATB➣Antenna Test Bed |
| ATB➣Authorization to Buy (government contracting) |
| ATB➣Air Target Board |
| ATB➣Aviation Test Board |
| ATB➣Airborne Test Bed |
| ATB➣Association Thiaisienne de Badminton (French badminton association) |
| ATB➣Air Transport Brigade |
| ATB➣Army Transportation Board |
| ATB➣Aviation Training Board |
| ATB➣Advanced Training Base |
| ATB➣Automatic Ticket Barrier |
| ATB➣Auto Theft Bureau (law enforcement) |
| ATB➣Atypical Tuberculosis |
| ATB➣Atmospheric Test Ban |
| ATB➣Adaptive Two-step Allowing Backtracking (IEEE) |