| Abbreviation | Definition |
|---|---|
| BCFS | Budongo Conservation Field Station's |
| BCH | Bring Conservation Home |
| BCHCP | Balcones Canyonlands Habitat Conservation Plan |
| BCI | Bonobo Conservation Initiative |
| BCN | Bird Conservation Network |
| BCWG | Biodiversity Conservation Working Group |
| BF | Blood Feud |
| BfN | Bundesamt für Naturschutz (German) Federal Agency for Nature Conservation |
| BGCI | Botanic Gardens Conservation International |
| BHCF | Built Heritage Conservation Fund |
| BHCG | Barn Hill Conservation Group |
| BJECA | Busselton Jetty Environment and Conservation Association (Australia) |
| BMCT | Bwindi Mgahinga Conservation Trust |
| BNRB | Be Not Right Back |
| BOGC | Board of Oil and Gas Conservation |
| BPCT | Botswana Predator Conservation Trust |
| BR | Brassroot |
| BRB | Be Right Back |
| BRCP | Bosch Research and Conservation Project |
| BRCP | Bosch Research Conservation Project |