| Abbreviation | Definition |
|---|---|
| QSB+ | Quantitative System in Business |
| QSC | Quality Service Certification |
| QSC | Quick Sell Commerce |
| QSD | Quality Software Development |
| QSD | Quality System Design |
| QSE | Quality Systems Enhancement |
| QSF | Quarterly Sales Forecast |
| QSIP | Quality Service Improvement Program |
| QSIP | Quality Systems and Implementation Plan |
| QSM | Quality Services Management |
| QSM | Quality System Manual |
| QSN | Quality Satellite Network |
| QSOA | Qualified Service Organization Agreement |
| QSPM | Quantitative Strategic Planning Matrix |
| QSR | Quick Secretarial Response |
| QST | Quality Support Team |
| QSTA | Quebec Sales Tax |
| QSU | Australian Services Union Queensland |
| QSU | Quality and Standards Unit |
| QSV | Quality, Service, and Value |