| IQ | Intelligence Quotient | 智商 |
| IQ | Idem quod ( the same as ) | 同样 |
| IQ | Iraq | 伊拉克 |
| IQ | import quota | 进口配额 |
| IQ | inverse quantization | 反转量子化 |
| IQ | install qualification | 安装验证 |
| IQ | Information Query | 信息查询 |
| IQ | Ion Quality | 离子质量 |
| IQ | Improving Quality | 提高质量 |
| IQ | Imagination Quotient | 想象商 |
| IQ | Ignite Quickly | 快速点火 |
| IQ | Information Qualification | 信息资格 |
| IQ | Is Questionable | 存在疑问 |
| IQ | Intelligent Queen | 智能女王 |
| IQ | Installation Qualification | 安装确认 |
| IQ | Integrity Quotient | 完整性商 |
| IQ | In Question | 有疑问 |
| IQ | Interesting Quotation | 有趣的报价 |
| IQ | Ignorant Question | 无知的问题 |
| IQ | Ignorance Quotient | 无知商 |
| IQ | I Quit | 我退出 |
| IQ | Irrelevant Question | 无关问题 |
| IQ | Internal Query | 内部查询 |
| IQ | Intervencion Quirurgica (Spanish: Surgical Procedure) | Quirurgica介入治疗（西班牙语：外科手术） |
| IQ | Internet Quotient | 互联网商 |
| IQ | Indication of Quality (Nortel) | 质量指示（北电） |
| IQ | Intermodal Quality | 联运质量 |
| IQ | Iraq (country code, top level domain) | 伊拉克（国家代码，顶级域） |
| IQ | Interview Question | 面试问题 |
| IQ | Input Queuing | 输入排队 |
| IQ | Inexpensive And Quick | 廉价快捷 |
| IQ | Indy Quotient (computer game score) | Indy商（电脑游戏分数） |
| IQ | International Quality | 国际质量 |
| IQ | Issue Queue | 问题队列 |
| IQ | Information Quality | 信息质量 |
| IQ | Indefinite Quantity contract | 不确定数量合同 |
| IQ | Inhibitory Quotient | 抑制商 |
| IQ | Insurquote Systems Inc. | 保险系统公司。 |
| IQ | In-phase/Quadrature | 同步/正交 |
| IQ | Image Quality | 图像质量 |
| IQ | Irrelevant Question (polygraphy) | 无关问题（一夫多妻制） |
| IQ | United States miscellaneous Pacific Islands Outlying Areas (including Kingman Reef) | 美国其他太平洋岛屿外围地区（包括金曼礁） |
| IQ | Invoice Query System (Sprint) | 发票查询系统（Sprint） |
| IQ | Intelligent Question | 智能问题 |
| IQ | Insufficient Quantity | 数量不足 |
| IQ | Incremental Quantization | 增量量化 |