| Abbreviation | Definition |
|---|---|
| BARC | Brisbane Actionweb for Refugee Collaboration |
| BARK | Brotherhood of Animal Rights Krusaders |
| BARN | Bainbridge Artisan Resource Network |
| BASC | Bengali Association of Southern California |
| BASC | Business Anti-Smuggling Coalition |
| BATCON | Bat Conservation International |
| BAV | Blinded American Veterans |
| BAVA | Berlin Airlift Veterans Association |
| BAVA | British Anti-Vivisection Association |
| BAVA | British Association for Vedic Astrology |
| BAVF | Blinded American Veterans Foundation |
| BAVO | Bridgend Association of Voluntary Organisations |
| BAVR | Salvation Army Borden Avenue Veterans' Residence |
| BAVS | Beginning Adult Violin Study |
| BAVS | British Association for Victorian Studies |
| BAW | Bio-medical Associations of Wisconsin |
| BB/BS | Big Brothers/ Big Sisters |
| BB/BS-NWO | Big Brothers/ Big Sisters of NorthWest Ohio |
| BB/TS | Blood Bank and Transfusion Service |
| BBA | Big Brothers of America |