| LBR | Label Bit Rate 
| Others |
| LBR | Laboratory of Biomolecular Research
| Others |
| LBR | Labrea, AM, Brazil
| Others |
| LBR | Lamin B Receptor
| Others |
| LBR | Laser Bacterial Reduction
| Others |
| LBR | Laser Beam Recorder
| Others |
| LBR | Laser Beam Recording
| Others |
| LBR | Laser Beam Rider
| Others |
| LBR | Last Branch Records
| Others |
| LBR | Late Breaking Results
| Others |
| LBR | Latency Based Routing
| Others |
| LBR | Learning Beyond Registration
| Others |
| LBR | Lesser Banishing Ritual
| Others |
| LBR | Let Be Real
| Others |
| LBR | Lets Be Real
| Others |
| LBR | Levelling Box Rod
| Others |
| LBR | Library File
| Others |
| LBR | Lightle Beckner Robison
| Others |
| LBR | Lionel Brockman Richie
| Others |
| LBR | Lithonia Basic Retrofit
| Others |
| LBR | Little Bear River
| Others |
| LBR | Little Bit Ranch
| Others |
| LBR | Little Brother's Room
| Others |
| LBR | Live Birth Rate
| Others |
| LBR | Load BackRest
| Others |
| LBR | Local Business Retail
| Others |
| LBR | Loser Beyond Repair
| Others |
| LBR | Lotus Display driver file
| Others |
| LBR | Low Bit Rate
| Others |
| LBR | Lowville and Beaver River Railroad
| Others |
| LBR | Loyalty Before Royalty
| Others |
| LBR | LU Compressed file archive
| Others |
| LBR | Lumber
| Others |