| Acronym | Definition |
|---|
| BIR➣British Institute of Radiology |
| BIR➣Bureau of Internal Revenue |
| BIR➣Bureau of International Recycling |
| BIR➣Brain Injury Rehabilitation (various organizations) |
| BIR➣Ball in Ramp |
| BIR➣Band Instrument Repair (various schools) |
| BIR➣Buchanan Ingersoll & Rooney (law firm; Pittsburgh; PA) |
| BIR➣Bataillon d'Intervention Rapide (French: Rapid Intervention Battalion; Cameroon) |
| BIR➣Baculovirus IAP Repeat |
| BIR➣Business Informatics Research |
| BIR➣Biomedical Imaging Resource |
| BIR➣Bureau of Intelligence and Research (US State Department) |
| BIR➣Badatz Igud Rabbonim (Kosher Food Certification Agency) |
| BIR➣Biometric Identification Record |
| BIR➣Built in Wardrobe |
| BIR➣Bâtiment Industrie Réseaux (French: Building Industry Networks) |
| BIR➣Basic Individual Record |
| BIR➣Built-in Rigid (plumbing) |
| BIR➣Beta-Cell Inward Rectifier Subunit |
| BIR➣Banque d'Information sur les Recherches |
| BIR➣Bretagne Internet Réseaux (French: Brittany Internet Networks; Rennes, Brittany, France) |
| BIR➣Benefit/Investment Ratio |
| BIR➣Best Incremental Return |
| BIR➣Biological Impact Report |
| BIR➣Boulons Industriels Rouville (French) |
| BIR➣Brother in Room |
| BIR➣Business Information Records |
| BIR➣Burn-In Reliability |