| Abbreviation | Definition |
|---|---|
| QCI | Quality Conformance Inspections |
| QCK | Quick Charger Kit |
| QCK | Quick Combat Kill |
| QCM | Quality Control Management |
| QCM | Quick Change Mount |
| QCN | Qualified Contacts Network |
| QCN | Quality Contractor Network |
| QCO | Quality Control Officer |
| QCO | Queen's Commissioned Officer |
| QCR | Qualitative Construction Requirements |
| QCR | Quality Control Representative |
| QCS | Quality Control Supervisor |
| QCW | Quality Control Workstation |
| QD | Quality Distance |
| QDA | Quick and Dirty Analysis |
| QDD | Quality Document Developer |
| QDE | Quality Distance Education |
| QDF | Quadruple Point Failure |
| QDF | Quick Death Force |
| QDF | Quick Defense Force |