| LRB | Labor Research Bureau | 劳工研究局 |
| LRB | Legislative Reference Bureau | 立法审计局 |
| LRB | Loyalty Review Board | 忠诚审查局 |
| LRB | Little Red Button (typically reset on the back of a computer) | 小红按钮（通常在电脑背面重置） |
| LRB | Love, Respect, Brotherhood (motorcycle club) | 爱、尊重、兄弟会（摩托车俱乐部） |
| LRB | Labor Relations Board | 劳资关系委员会 |
| LRB | License Review Board | 许可证审查委员会 |
| LRB | Least Reliable Bit | 最不可靠位 |
| LRB | Laboratory of Radiation Biology | 辐射生物学实验室 |
| LRB | Long Range Budget | 长期预算 |
| LRB | Lonesome River Band | Lonesome River乐队 |
| LRB | Leribe, Lesotho | 莱索托莱里贝 |
| LRB | London Review of Books (also seen as LROB) | 伦敦书评（又称LROB） |
| LRB | Liquid Rocket Booster | 液体火箭助推器 |
| LRB | Lower Reliability Bound | 可靠性下限 |
| LRB | Lyndall Racing Brakes, LLC (for motorcycles) | Lyndall Racing Brakes，LLC（摩托车） |
| LRB | Lightning Rod Ball | 避雷针球 |
| LRB | Little River Band | 小河乐队 |
| LRB | Logistics Review Board | 后勤审查委员会 |
| LRB | Loop Reverse Battery | 回路反向电池 |