| QI | quarterly index | 季度指数 |
| QI | quality improvement | 质量改进 |
| QI | Quality Index | 质量指标 |
| QI | Quenched in ice | 冰中淬火的 |
| QI | Quality Incident | 质量事故 |
| QI | Questionable Intent | 可疑意图 |
| QI | Quite Interesting | 非常有趣 |
| QI | Quarter I | 第一季度 |
| QI | Quartz Iodide lighting | 石英碘化物照明 |
| QI | Quit If | 退出，如果 |
| QI | Quantum Interaction (Conference) | 量子相互作用（会议） |
| QI | Quality Of Information | 信息质量 |
| QI | Qualified Individual | 合格个人 |
| QI | Quality Indicators | 质量指标 |
| QI | Quadruple Integral | 四重积分 |
| QI | Quality Indicator | 质量指标 |
| QI | Qualified Intermediary | 合格中介机构 |
| QI | Query Interface (COM programming) | 查询接口（COM编程） |
| QI | Quality Inspection | 质量检查 |
| QI | QuÉbec Inc. (gaming clan) | QuÉbec Inc. (gaming clan) |
| QI | Quality Information | 质量信息 |
| QI | Quite Interesting (UK game show) | 非常有趣（英国游戏秀） |
| QI | Quotient Intellectuel (French) | 商智力（法语） |
| QI | Quantity Indicator | 数量指示器 |
| QI | Quality Inspector | 质量检验员 |
| QI | Quality Increase | 质量提高 |
| QI | Postal Insurance (Scott Catalogue prefix; philately) | 邮政保险（斯科特目录前缀；集邮） |
| QI | Quality Instruction | 质量说明 |
| QI | Quite Interesting (Uk TV game show) | 非常有趣（英国电视游戏节目） |
| QI | Quociente de InteligÊncia (Portuguese) | Quociente de InteligÊncia (Portuguese) |
| QI | Qualifying Interview | 资格面试 |