| QEF | Quality Evaluation Function | 质量评估功能 |
| QEF | Quasi Error Free | 准无误差 |
| QEF | Quod Erat Faciendum (Latin: Which Was to Be Done) | Quod Erat Faciendum（拉丁语：该做什么） |
| QEF | Qualified Electing Fund (IRS) | 合格选举基金（IRS） |
| QEF | Quarterly Executive Forum | 季度高管论坛 |
| QEF | Quality Education Fund | 优质教育基金 |
| QEF | Quod Erat Faciendum | Quod Erat Faciendum公司 |
| QEF | Have I reached my parking area? | 我到停车场了吗？ |
| QEF | Quality Evaluation Form | 质量评价表 |
| QEF | Query file (Q+E for MS Excel) | 文件查询(问+ E为MS Excel) |