| QDE | Quantization Distortion Estimate | 量化失真估计 |
| QDE | Quality Distance Education | 优质远程教育 |
| QDE | Questioned Document Examination | 有疑问的文件检查 |
| QDE | Quantum Detector Efficiency | 量子探测器效率 |
| QDE | Qualified Designated Entity | 合格指定实体 |
| QDE | Questioned Document Examiner | 受质疑的文件审查员 |
| QDE | Quality Data Evaluation | 质量数据评估 |
| QDE | Quellidellelica (forum of BMW bikers) | Quellidellelica（宝马车手论坛） |
| QDE | Quasi-Optic Diffraction Element | 准光学衍射元件 |