| Acronym | Definition |
|---|
| BRI | Basic Rate Interface (ISDN) |
| BRI | Building Research Institute (Japan) |
| BRI | Burzynski Research Institute |
| BRI | Bank Rakyat Indonesia |
| BRI | Bari, Italy (Airport Code) |
| BRI | Banque des Règlements Internationaux (French: Bank for International Settlements; Switzerland) |
| BRI | Bristol Royal Infirmary (UK) |
| BRI | Building-Related Illness |
| BRI | Biotechnology Research Institute (National Research Council Canada) |
| BRI | Bradford Royal Infirmary (UK) |
| BRI | Brigade de Recherche et d'Intervention (French police) |
| BRI | Biblical Research Institute |
| BRI | Beckman Research Institute |
| BRI | Bathroom Readers Institute |
| BRI | Brain Response Interface |
| BRI | BEST Robotics, Inc. (Dallas, Texas based middle and high school robotics competition) |
| BRI | Bio-Reaction Industries (Tualatin, OR) |
| BRI | Bartol Research Institute |
| BRI | Brewers' Retail Inc. (Canada) |
| BRI | Bridge Router Interface |
| BRI | Bio Research Institute |
| BRI | Bonn-Risk-Index |
| BRI | Brigade de Recherche Immobilière (French: Real Estate Research Brigade) |
| BRI | Bio Recherches Innovations (French: Bio Research Innovations) |
| BRI | Boyne Research Institute |
| BRI | Brand Rating Index |
| BRI | Burst Repetition Interval |
| BRI | Business Receipts Index (Singapore) |
| BRI | Bearing and Range Indicator |
| BRI | Biweekly Rate Information |
| BRI | Bulletin Rapide d'Information (French: Quick Information Bulletin) |
| BRI | Billroth I operation (gastroduodenostomy intestinal anastomosis) |
| BRI | Bagel Related Injury (humor) |
| BRI | Bachelor of Religions of India |
| BRI | Bill of Rights Institute (est. 1999; Arlington, VA) |
| BRI | Bank Rhode Island (Providence, RI) |
| BRI | Basketball Related Income (National Basketball Association) |