| Abbreviation | Definition |
|---|---|
| BGLAD | Bisexual, Gay, Lesbian Alliance at Dalhousie |
| BIAA | Boating Industries Alliance Australia |
| BIAC | Brain Injury Alliance of Colorado |
| BIAC | Brain Injury Alliance of Connecticut |
| BIAK | Brain Injury Alliance of Kentucky |
| BIFA | British Intestinal Failure Alliance |
| BILA | Birth Injury Lawyers Alliance |
| BINA | British Iranian Network Alliance |
| BIPA | Barbados Investors and Policyholders Alliance |
| BITA | Blockchain In Transport Alliance |
| BITA | British And Irish Trading Alliance |
| BJAA | Baltimore Jewish Abilities Alliance |
| BLAA | Boston LGBTQIA Artist Alliance |
| BMA | Biblical Mennonite Alliance |
| BMA | Boulder Mountainbike Alliance |
| BMA | Boys Minority Alliance |
| BMAC | Bloomfield Municipal Alliance Committee |
| BMMA | Black Mamas Matter Alliance |
| BOAA | Brownsburg Older Adult Alliance |
| BPRA | Building Product Retailers Alliance |