| IAD | Integrated Access Device | 综合接入装置 |
| IAD | Internationale Arbeitsgemeinschaft Donauforschung (German: International Association for Danube Research) | 国际多瑙河研究协会 |
| IAD | International Association for Danube Research | 国际多瑙河研究协会 |
| IAD | Illinois Association of the Deaf | 伊利诺伊州聋人协会 |
| IAD | Iowa Association of the Deaf | 爱荷华州聋人协会 |
| IAD | Washington, DC, USA - Washington-Dulles International (Airport Code) | 美国华盛顿特区-华盛顿杜勒斯国际机场(机场代码) |
| IAD | Idaho Association of the Deaf | 爱达荷州聋人协会 |
| IAD | Indiana Association of the Deaf | 印第安纳州聋人协会 |
| IAD | Internet Addiction Disorder | 网络成瘾症 |
| IAD | Inter-American Dialogue | 美洲对话 |
| IAD | Índice Anti-Detonante (Portuguese: anti-knock index) | Índice Anti-Detonante (Portuguese: anti-knock index) |
| IAD | Inband Amplitude Dispersion | 带内振幅色散 |
| IAD | Internal Affairs Division (police) | 内务司(警察) |
| IAD | India/Asia Decollement | 印度/亚洲滑脱 |
| IAD | International Automotive Design | 国际汽车设计 |
| IAD | IETF (Internet Engineering Task Force) Administrative Director | IETF(互联网工程任务组)行政主管 |
| IAD | It All Depends | 一切取决于 |
| IAD | Internet Access Device | Internet访问设备 |
| IAD | Internal Audit Division | 内部审计处 |
| IAD | Integrated Antenna Detector | 综合天线探测器 |
| IAD | Iterative Aggregation-Disaggregation | 迭代聚合分解 |
| IAD | Interstate Agreement on Detainers | 关于拘留者的州际协议 |
| IAD | Intranet/Intranet Application Development | 局域网局域网应用程序开发。/ |
| IAD | International Academy of Design | 国际设计学院 |
| IAD | Information Access Division | 信息获取部 |
| IAD | Interest Adjustment Date | 利息调整日期 |
| IAD | Internal Affairs Division | 内部事务部 |
| IAD | Instructor Assisted Deployment | 讲师辅助部署 |
| IAD | Inter-American Division (Seventh-day Adventist) | 美洲分部(基督复临安息日会) |
| IAD | Inventory Adjustment Decrease | 库存调整减少 |
| IAD | Iterative Application Development | 迭代应用程序开发 |
| IAD | Internet Address Detectors (Mac OS) | Internet地址检测器(Mac OS) |
| IAD | Immediate Action Directive | 立即行动指令 |
| IAD | interocular acuity difference | 眼间视力差 |
| IAD | Independent ATM Deployer | 独立ATM部署器 |
| IAD | inhibiting antibiotic dose | 抑制抗生素剂量 |
| IAD | Initial Advance Date | 初始预付款日期 |
| IAD | Intrest Adjustment Date | 入侵调整日期 |
| IAD | Interactive Access Device | 交互式访问设备 |
| IAD | Information Access and Delivery | 信息访问和交付 |
| IAD | Dulles International Airport, Reston, Virginia, ( Washington, D. C.) USA | 美国弗吉尼亚州雷斯顿杜勒斯国际机场 |
| IAD | Internet Acronym Dictionary | Internet缩略语词典 |
| IAD | International Affairs Department | 国际事务部 |
| IAD | Inventory Availability Date (AT&T) | (AT&T)可卖房情况日期 |
| IAD | Washington Dulles International Airport | 华盛顿杜勒斯国际机场 |
| IAD | idiotypic antigenic determinants | 独特型抗原决定簇 |
| IAD | internal absorbed dose | 内部吸收剂量 |
| IAD | Inventory Adjustment Document | 库存调整单 |
| IAD | Integrated Acquisition Database | 综合采集数据库 |
| IAD | Intelligent Access Devices (Motorola) | 智能接入设备(摩托罗拉) |
| IAD | Integrated Access Device (audiocodes) | 集成访问设备(音频代码) |
| IAD | Index of American Design | 美国设计指数 |
| IAD | Instituto Agrario Dominicano | 多米尼加农业研究所 |
| IAD | Intelligence Analysis Division (NFOIO) | 情报分析处(NFOIO) |
| IAD | International Amphibian Days | 国际两栖动物日 |
| IAD | Islamische Akademie Deutschland eV (Germany) | Islamicsche Akademie Deutschland eV(德国) |
| IAD | Ion-Assisted Deposition | 离子辅助沉积 |
| IAD | Internet Autopsy Database | 互联网尸检数据库 |
| IAD | Industrial Aero-Derivative | 工业航空衍生产品 |
| IAD | Integrated Acoustic Display | 集成声学显示器 |
| IAD | Interface Adapter Device | 接口适配器设备 |
| IAD | International Affairs Directorate | 国际事务局 |
| IAD | Interface Agreement Document | 接口协议文件 |
| IAD | Instructor Assisted Deployement (skydiving) | 教练辅助部署(跳伞) |