- ADBA stands for Abbotsford Downtown Business Association (British Columbia, Canada)
- ADBA stands for American Dog Breeders Association, Inc (Salt Lake City, Utah)
- ADBA stands for American Drag Bike Association
- ADBA stands for American Drag Boat Association
- ADBA stands for Anaerobic Digestion and Biogas Association (UK)
- ADBA stands for Audiometric Data Base Analysis (hearing)
ADBA