| Acronym | Definition |
|---|
| QSC | Quality Service Certified (Real Estate designation) |
| QSC | Quantum Sports Cars |
| QSC | Queensland Supreme Court (Queensland, Australia) |
| QSC | Quality Steering Committee (various organizations) |
| QSC | Qualified Status Change |
| QSC | Quality and Standards Committee (various locations) |
| QSC | Quilter Sound Company (QSC Audio Products Inc.) |
| QSC | Quality Service Communications (Cologne, Germany) |
| QSC | Queens Surface Corporation |
| QSC | Low-Traffic Ship (radiotelegraphy) |
| QSC | Quay Sailing Club (St Germans, Cornwall UK) |
| QSC | Quantity per Shipping Container |
| QSC | Quirino State University (Quirino Province, Philippines) |
| QSC | Quick Set-Up and Changeover (Gillman Ball & Nut assembly machine) |
| QSC | QuikSolv Consulting (UK) |