QSB
| Acronym | Definition |
|---|---|
| QSB | Fading |
| QSB | Qualified Small Business (IRS category) |
| QSB | Queen Street Backpackers (Auckland, New Zealand) |
| QSB | Quality System Basics |
| QSB | Qualified Supplemental Benefit |
| QSB | Quicksilver Barometers (UK) |
| QSB | Quantum Singleton Bound |