| IDEA | International Data Encryption Algorithm | 国际资料编码算法 |
| IDEA | International Data Exchange Association | 国际数据交换协会 |
| IDEA | Internet Development and Exchange Association | 互联网发展与交流协会 |
| IDEA | International Development Enterprise Associates | 国际开发企业协会 |
| IDEA | International Debate Education Association | 国际辩论教育协会 |
| IDEA | International Diving Educators Association | 国际跳水教育家协会 |
| IDEA | Indiana Democratic Editorial Association | 印第安纳州民主党编辑协会 |
| IDEA | Industry Data Exchange Association | 行业数据交换协会 |
| IDEA | International District Energy Association (formerly National District Heating Association) | 国际区域能源协会（原国家区域供热协会） |
| IDEA | International Dance Exercise Association | 国际舞蹈锻炼协会 |
| IDEA | Irish Dance and Entertainment Association | 爱尔兰舞蹈和娱乐协会 |
| IDEA | Irish Doctors Environmental Association | 爱尔兰医生环境协会 |
| IDEA | Industrial Design Excellence Awards | 工业设计卓越奖 |
| IDEA | FundaciÓn Instituto de Estudios Avanzados (Caracas, Venezuela) | FundaciÓn Instituto de Estudios Avanzados (Caracas, Venezuela) |
| IDEA | Institute for Defense Education and Analysis | 国防教育与分析研究所 |
| IDEA | Integrated Design Engineering Activity | 综合设计工程活动 |
| IDEA | Integrated Design/Engineering Aide | 综合设计/工程助理 |
| IDEA | Innovations Deserving Exploratory Analysis (National Academies) | 值得探索性分析的创新（国家学院） |
| IDEA | Individuals with Disabilities Education Act (US) | 《残疾人教育法》（美国） |
| IDEA | International Data Encryption Algorithm (cryptography method by Xuejia Lai and James Massey) | 国际数据加密算法（Lai和James Massey的加密方法） |
| IDEA | Intelligent Document Exchange Architecture | 智能文档交换体系结构 |
| IDEA | Infusing Satellite Data Into Environmental Applications | 将卫星数据注入环境应用 |
| IDEA | Improvement and Development Agency (UK government) | 改进和发展局（英国政府） |
| IDEA | Imperial College London, Delft University of Technology, ETH Zurich, RWTH Aachen University (European technical Universi | 伦敦帝国理工学院、代尔夫特理工大学、苏黎世ETH、亚琛RWTH大学（欧洲技术大学 |
| IDEA | Individuals with Disabilities Education Act | 残疾人教育法 |
| IDEA | Individual Development and Educational Assessment | 个人发展与教育评估 |
| IDEA | Internet Differential Equations Activities | 互联网微分方程活动 |
| IDEA | Institutional Data Easy Access | 机构数据轻松访问 |
| IDEA | Interior Distance Education Of Alaska | 阿拉斯加的室内远程教育 |
| IDEA | Interactive Distance Education Alliance | 交互式远程教育联盟 |
| IDEA | Integrated Development Emulation and Analysis | 集成开发仿真与分析 |
| IDEA | International Dialects of English Archive | 国际英语方言档案 |
| IDEA | Innovative in Developing Enterprising Activities | 创新发展企业活动 |
| IDEA | Intelligent Design Aid | 智能设计辅助 |
| IDEA | Inverted Duplication Exchange and Advocacy | 反向复制交换和宣传 |
| IDEA | Instructional Development And Effectiveness Assessment | 教学发展和有效性评估 |
| IDEA | Institutional Development Award | 机构发展奖 |
| IDEA | Institute for Democracy, Education & Access (UCLA) | 对于民主、教育学院及访问(加州大学洛杉矶分校) |
| IDEA | International Distributed Experiment Archives | 国际分布式实验档案 |
| IDEA | Innovative Development through Employee Awareness (US Air Force suggestion program) | 通过员工意识实现创新发展（美国空军建议计划） |
| IDEA | In The Defense Of Earth And Animals | 保护地球和动物 |
| IDEA | Interdisciplinary Education and Action Program | 跨学科教育和行动计划 |
| IDEA | Internet Design, Engineering, and Analysis | 互联网设计、工程和分析 |
| IDEA | Innovation Development Employment And Applications | 创新发展就业和应用 |
| IDEA | Interactive Data Extraction And Analysis | 交互式数据提取和分析 |
| IDEA | Instant Digital Education Assistant | 即时数字教育助手 |
| IDEA | Improvement and Development Agency | 改善和发展局 |
| IDEA | Idaho Distance Education Academy | 爱达荷州远程教育学院 |
| IDEA | Internet Delivery Of Exams And Assignments | 考试和作业的互联网交付 |
| IDEA | International Defense Educational Arrangement | 国际防御教育安排 |
| IDEA | Identify, Define, Empower, Assess | 识别、定义、授权、评估 |
| IDEA | Integrity Design & Engineering Associates (engineering firm) | 完整的设计和工程公司员工(工程) |
| IDEA | International Database for Ecoprofile Analysis | 国际生态概况分析数据库 |
| IDEA | Individuals Dedicated to Excellence and Achievement | 致力于卓越和成就的个人 |
| IDEA | Instituto para el Desarrollo Empresarial de la Argentina | 阿根廷企业发展研究所 |
| IDEA | Instituto para el Desarrollo de Antioquia (MedellÍn, Colombia) | Instituto para el Desarrollo de Antioquia (MedellÍn, Colombia) |
| IDEA | Identification Electronique des Animaux (French) | 动物识别电（法语） |
| IDEA | Imaging Double Energy Analyzer | 成像双能量分析仪 |
| IDEA | Interrelationships, Diversity, Ecosystems and Adaptations (Yosemite Institute) | 相互关系、多样性、生态系统和适应（约塞米蒂研究所） |
| IDEA | Interactive Data Exploration and Analysis | 交互式数据探索和分析 |
| IDEA | International Institute for Democracy and Electoral Assistance | 国际民主和选举援助研究所 |
| IDEA | Instant Discounts Electronically Applied (Marsh Supermarkets) | 电子应用即时折扣（Marsh超市） |
| IDEA | Individual Development and Educational Advancement | 个人发展和教育促进 |
| IDEA | Integrated Data for Enforcement Analysis | 用于执法分析的集成数据 |