| Acronym | Definition |
|---|
| BLR | Belarus |
| BLR | Business & Legal Reports |
| BLR | Bureau of Labor Relations (Philippines) |
| BLR | Boucle Locale Radio (French: Wireless Local Loop) |
| BLR | Boiler |
| BLR | Bureau of Land Records (Pennsylvania) |
| BLR | Binary Logistic Regression |
| BLR | Broad-Line Region |
| BLR | Bottom Line Records (San Diego, CA) |
| BLR | Base Lending Rate |
| BLR | Bourg-la-Reine (French: Town of the Queen; French village) |
| BLR | Binary Language Representation |
| BLR | Big Lazy Robot (visual effects studio; Spain) |
| BLR | Board Level Reliability (packaging) |
| BLR | Bintan Lagoon Resort (Indonesia) |
| BLR | Bangalore, India - Hindustan (Airport Code) |
| BLR | Beyond Local Repair |
| BLR | Browning Lever Rifle (Lever Action Browning Rifles) |
| BLR | Bank Loan Rating |
| BLR | Bureau of Legislative Research (Arkansas Legislative Council; Little Rock, AR) |
| BLR | Bulharská Lidová Republika (Czech: People's Republic of Bulgaria) |
| BLR | Business and Legal Resources (Old Saybrook, CT; compliance consultancy) |
| BLR | Black Labrador Retriever |
| BLR | Battery Level Radar (vehicle-mounted radar) |
| BLR | Boundary Location Register |
| BLR | Balanced Likelihood Ratio |
| BLR | Block Level Retransmission |
| BLR | Block Length Register |
| BLR | Blue-Light Radiation |
| BLR | Baseline Requirements Document |
| BLR | Below Layer Range |
| BLR | Boîte Aux Lettres Rurale (Canada Post) |