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