| Abbreviation | Definition |
|---|---|
| BHA | Badger Herald Alumni |
| BHAA | Badger Herald Alumni Association |
| BHAA | Black Hispanic Alumni Association |
| BHAA | Boalt Hall Alumni Association |
| BHAAA | Beverly Hills Athletic Alumni Association |
| BHAAA | Beverly Hills Athletics Alumni Association |
| BIUA | Benson Idahosa University Alumni |
| BLMONEY | BLMO Coin |
| BOAA | Beta Omicron Alumni Association |
| BOAP | Body Of Alumni Professors |
| BOSCH | Best Of Scholars Home |
| BRBAA | Big Red Band Alumni Association |
| BUAA | Brandon University Alumni Association (Canada) |
| BUAAA | British University Alumni Associations Of Austria |
| BWIAANA | Booker Washington Institute Alumni Association of North America |
| CAA | California Alumni Association |
| CAA | Case Alumni Association |
| CAAA | Citizens Academy Alumni Association |
| CAAE | Council of Alumni Association Executives |
| CAANT | Cornell Alumni Association of North Texas |