| Acronym | Definition |
|---|
| BAD | Baden-Baden (German city, license plate prefix) |
| BAD | Blog Action Day |
| BAD | Big Audio Dynamite (band) |
| BAD | Banque Africaine de Developpement (AFDB) |
| BAD | Business Application Development |
| BAD | Bipolar Affective Disorder |
| BAD | British Association of Dermatologists |
| BAD | Boxing After Dark (HBO TV) |
| BAD | Bcl-2 Associated Death (protein) |
| BAD | Brisbane Art Design (Australia) |
| BAD | Broken as Designed |
| BAD | Broken As Designed :-) |
| BAD | Banque Asiatique de Développement (French: Asian Development Bank) |
| BAD | Business Affairs Division (various universities) |
| BAD | Bikers Against Diabetes |
| BAD | Big Airship of Doom (Bloons Tower Defense 6) |
| BAD | BCL2 Antagonist of Cell Death |
| BAD | Base Ammunition Depot (US Army ordnance) |
| BAD | Bachelier en Art Dramatique |
| BAD | Bank Account Debits Tax (Australia) |
| BAD | Body Action Design (Garden City, NY) |
| BAD | Broadband Access Device (Sprint) |
| BAD | Bureau of Alien Detectors (UPN cartoon) |
| BAD | Branch Atheromatous Disease |
| BAD | Balls Attitude Direction |
| BAD | Behind-Armor Debris |
| BAD | Buster, Adam, Donny (band) |
| BAD | Bad Ass Divas |
| BAD | Biological Aerosol Detection |
| BAD | Bald and Dangerous |
| BAD | Bachelor of Applied Design (degree) |
| BAD | Bathymetric Archive Data |
| BAD | Bank Avalized Draft |
| BAD | Bates After Dark |
| BAD | Bay Area Dwarfs (scale vintage replica auto racing; California) |
