| Abbreviation | Definition |
|---|---|
| AB | Always Beautiful |
| AB | Always Broke |
| AB | Amitabh Bachchan |
| AB | Anheuser Busch |
| AB | Arctic Brotherhood |
| AB | Arvind Bajaj |
| AB | Aurora Boreale |
| AB | Auto Buy |
| ABA | A Beautiful Angel |
| ABA | Accident Benefit Association |
| ABA | adriatic basketball association |
| ABA | Ambassador Bridge Ahead. |
| ABA | Amer Birding Assoc |
| ABA | American |
| ABA | American Bantam Association |
| ABA | American Basketball Association?? |
| ABA | American Beverage Association |
| ABA | Anime Battle Arena |
| ABA | Anorexics and Bulimics Anonymous |
| ABA | Applied Behaviour Analysis |