| Acronym | Definition |
|---|
| LRB | London Review of Books (also seen as LROB) |
| LRB | Legislative Reference Bureau |
| LRB | Little River Band |
| LRB | Love Runs Blind (band) |
| LRB | Labor Relations Board |
| LRB | Lonesome River Band |
| LRB | Load Register Block |
| LRB | Loop Reverse Battery |
| LRB | Liquid Rocket Booster |
| LRB | Liquid Refreshment Beverage (industry category) |
| LRB | Lift-Run-Bang (website) |
| LRB | Laboratory Reagent Blank |
| LRB | License Review Board |
| LRB | Little Red Button (typically reset on the back of a computer) |
| LRB | Lightning Rod Ball |
| LRB | Laboratory of Radiation Biology |
| LRB | Lyndall Racing Brakes, LLC (for motorcycles) |
| LRB | Love, Respect, Brotherhood (motorcycle club) |
| LRB | Light Resin Bonded (mattresses) |
| LRB | Lower Reliability Bound |
| LRB | Least Reliable Bit |