| Abbreviation | Definition |
|---|---|
| BSRR | Blood Specimen Research Resource |
| BSRS | Bergen Summer Research School |
| BSRTI | Bangladesh Sericulture Research and Training Institute |
| BSRTI | Bangladesh Sericulture Research Training Institute |
| BSRTI | Bangladesh Silk Research and Training Institute |
| BSRTI | Bangladesh Sugarcane Research and Training Institute |
| BSSR | Behavioral and Social Sciences Research |
| BSTR | Basic Science and Translational Research |
| BTB | Biblical Theology Bulletin |
| BTCG | Brain Tumor Cooperative Group |
| BTRA | Bombay Textile Research Association |
| BTRC | Bio Tek Research Consultants |
| BTRC | Blacksburg Tactical Research Center |
| BTRC | Brain Tumor Research Center |
| BTRC | Brain Tumour Research Campaign |
| BTRC | Brain Tumour Research Centre |
| BTRF | Bangladesh Training and Research Foundation |
| BTRF | Biorepository and Tissue Research Facility |
| BTRI | Bangladesh Tea Research Institute |
| BTRI | Blockchain Technology Research Institute |