| B. Ed | Bachelor of Education |
| B.tech | Bachelor of Technology |
| B2C | Business-to-Consumer |
| BA | Bachelor of Arts, British Airways |
| BAMS | Bachelor of Ayurvedic Medicine and Surgery |
| BBA | Bachelor of Business Administration |
| BCA | Bachelor of Computer Application |
| BCCI | Board of Control for Cricket in India |
| BCG | Bacillus calmette Guerin |
| BDS | Bachelor of dental surgery |
| BHK | Bedroom, Hall and Kitchen |
| BIS | Bureau of Indian Standards |
| BJP | Bharatiya Janata Party |
| Blog | Blog |
| BMI | Body Mass Index |
| BPO | Business Process Outsourcing |
| BSCC | Bihar Student Credit Card |
| BSE | Bombay Stock Exchange |
| BTS | BangTan Sonyeondan |
