| Abbreviation | Definition |
|---|---|
| BAAI | Business Analysts Association of Ireland |
| BAAIS | Bay Area Association of Independent Schools |
| BAAL | British Association for Applied Linguistics |
| BAAL | British Association of Applied Linguistics |
| BAAM | Behavior Analysis Association of Michigan |
| BAAP | British Association of Academic Phoneticians |
| BAAP | British Association of Audiovestibular Physicians |
| BAAPS | British Association of Aesthetic and Plastic Surgeons |
| BAAPS | British Association of Aesthetic Plastics Surgeons |
| BAAS | Belgian Association of Ambulatory Surgery |
| BAAS | British Association for the Advancement of Science |
| BAAS | British Association of Audiological Scientists |
| BAB | Bahrain Association of Banks |
| BABA | British Artist Blacksmith Association |
| BABA | British Artist Blacksmiths Association |
| BABAO | British Association for Biological Anthropology and Osteoarchaeology |
| BABAT | Berkshire Association for Behavior Analysis and Therapy |
| BABCP | British Association for Behavioural & Cognitive Psychotherapies |
| BABCP | British Association for Behavioural and Cognitive Psychotherapies |
| BABCP | British Association for Behavioural Cognitive Psychotherapies |