| Acronym | Definition |
|---|
| QDC | Quick Die Change (engineering) |
| QDC | Quick Direct Connect |
| QDC | Quantized Dc |
| QDC | Quantum Dot Corporation |
| QDC | Qatar Design Consortium (est. 1977; Doha, Qatar) |
| QDC | Quonset Development Corporation (North Kingstown, RI) |
| QDC | Quality Data Code (Medicare PQRI program) |
| QDC | Quality, Delivery, Cost |
| QDC | Quiet-Day-Curve |
| QDC | Quality Dairy Corporation |
| QDC | Qatar Distribution Company |
| QDC | Charge-to-Digital Converter (nuclear physics) |
| QDC | Quantum Data Compression |
| QDC | Queen's Dance Club (Queen's University; Canada) |
| QDC | Qatar Data Center |
| QDC | Quadratic Double Circulant (code) |
| QDC | Quem Deus Conservet (Latin: Whom God Preserves) |