| Abbreviation | Definition |
|---|---|
| BIEA | British Institute in Eastern Africa |
| BIEA | British Intitute in Eastern Africa |
| BLFA | Burkitt Lymphoma Funds for Africa |
| BLNG | BirdLife Northern Gauteng (South Africa) |
| BLS | Botswana, Lesotho, Swaziland |
| BLS | Botswana, Lesotho, & Swaziland |
| BMG | Berliner MissionsGesellschaft |
| BNA | Botswana National Archives |
| BNAF | British North Africa Forces |
| BNC | Basutoland National Council |
| BNF | Botswana National Front |
| BNP | Basutoland National Party |
| BOC | Botswana Orientation Society |
| BODA | British Overseas Development Administration |
| BOHAM | Bridge Of Hope Africa Ministries |
| BOSS | Bureau Of State Security |
| BPAF | Boston Pan African Forum |
| BPP | Botswana People's Party |
| BRICS | Brazil, Russia, India, China and South Africa |
| BSAC | British South Africa Company |