| Abbreviation | Definition |
|---|---|
| BTFF | Balipara Tract and Frontier Foundation |
| BTFF | Bridge to Freedom Foundation |
| BTGF | Bridging The Gap Foundation |
| BTRF | Bangladesh Training and Research Foundation |
| BTWF | Born This Way Foundation |
| BUCF | Beijing United Charity Foundation |
| BVF | Balloon Ventures Foundation |
| BVLF | Bernard van Leer Foundation |
| BWBF | Bow Wow Buddies Foundation |
| BWCF | Bedell World Citizen Foundation |
| BWF | Black Wing Foundation |
| BWF | Bob Woodruff Foundation |
| BWF | Bunny World Foundation |
| BYOF | Bonaire Youth Outreach Foundation |
| CAAF | Central Arizona Architecture Foundation |
| CAAF | Children Affected By AIDS Foundation |
| CABF | Child Adolescent Bipolar Foundation |
| CABF | Child and Adolescent Bipolar Foundation |
| CABF | Cuban American Bar Foundation |
| CACF | Cadillac Area Community Foundation |