| Abbreviation | Definition |
|---|---|
| BIH | Bosna I Herzegovina |
| BIH | Bosnia and Herzegovina |
| BIOT | British Indian Ocean Territories |
| BIOT | British Indian Ocean Territory |
| BJ | Benin |
| BLR | Belarus |
| BM | Bermuda |
| BMRDA | Bangalore Metropolitan Region Development Authority |
| BN | Brunei Darussalam |
| BNCC | Barishal, Noakhali, Comilla Chandpur |
| BNCC | Barishal, Noakhali, Comilla & Chandpur |
| BNP | Balochistan National Party-Mengal |
| BNR | Bielaruskaja Narodnaja Respublika |
| BO | Bolivia |
| BR | Banana Republic |
| BR | Banana Republic aka "Third World Country" meaning " a governmental organization with employees from third world countries." |
| BR | Brazil |
| BRD | BundesRepublik Deutchland |
| BRIC | Brasil Russia India And China |
| BRIT | Britain |