| IES | Indian Educational Service | 印度教育服务处 |
| IES | Information Exchange Service | 信息交流处 |
| IES | ISDN Earth Station | 综合业务数字网络地球站 |
| IES | Indian Education Society | 印度教育协会 |
| IES | Industrial Engineering Standard | 工业工程标准 |
| IES | Institute for Environment and Sustainability | 环境与可持续发展研究所 |
| IES | Institute of Environmental Sciences | 环境科学研究所 |
| IES | Industrial Extension Service (North Carolina State University) | 工业推广服务（北卡罗来纳州立大学） |
| IES | Institute of Engineering Science | 工程科学研究所 |
| IES | Inverted Echo Sounders | 倒置回声测深仪 |
| IES | iPlanet Enterprise Server | iPlanet Enterprise服务器 |
| IES | Iaeger Elementary School (West Virginia) | 艾格小学（西弗吉尼亚州） |
| IES | Institute for Environmental Studies (University of Wisconsin-Madison) | 环境研究所（威斯康星大学麦迪逊分校） |
| IES | Interfaith Emergency Services | 宗教间应急服务 |
| IES | Intergroup Exemestane Study | 组间Exemestane研究 |
| IES | Imagery Exploitation Services | 图像开发服务 |
| IES | Institute of Education Sciences (US Department of Education) | 教育科学研究所（美国教育部） |
| IES | Iowa Engineering Society | 爱荷华工程学会 |
| IES | Intelligent and Evolutionary Systems | 智能和进化系统 |
| IES | IEEE Industrial Electronics Society | IEEE工业电子学会 |
| IES | Imagery Exploration System | 图像勘探系统 |
| IES | Internet Event Server | Internet事件服务器 |
| IES | Internet Enrollment Services | Internet注册服务 |
| IES | Institution of Engineers Singapore | 新加坡工程师学会 |
| IES | Internet Escrow Services | 互联网托管服务 |
| IES | Indian Engineering Service | 印度工程服务 |
| IES | Intensive English Studies | 强化英语学习 |
| IES | International Exchange Site | 国际交流网站 |
| IES | Infantry Enhancement Suit | 步兵增强套装 |
| IES | Institute of Economic Studies | 经济研究所 |
| IES | Intelligence Evaluation Staff | 情报评估参谋 |
| IES | Integrated Energy Systems (Department of Energy) | 综合能源系统（能源部） |
| IES | Institute for European Studies | 欧洲研究所 |
| IES | Imaging Electron Spectrometer | 成像电子光谱仪 |
| IES | Imagery Exploitation Support | 图像开发支持 |
| IES | Illuminating Engineering Society (of North America) | 照明工程学会（北美） |
| IES | Imagery Exploitation/Exploration System | 开发/探测系统。意象 |
| IES | Institute for Environmental Security (The Hague, Netherlands) | 环境安全研究所（荷兰海牙） |
| IES | Impact of Event Scale | 事件规模的影响 |
| IES | Indrema Entertainment System | Indrema娱乐系统 |
| IES | Institute for Employment Studies | 就业研究所 |
| IES | Industrial Engineer Standard | 工业工程师标准 |
| IES | Interferometric Editing System | 干涉编辑系统 |
| IES | Intelligent Emulation Switching (Epson) | 智能仿真交换（Epson） |
| IES | Indian Engineering Services | 印度工程服务 |
| IES | Imagery Exploitation Segment | 图像开发段 |
| IES | Institute of Ecosytem Studies | 生态系统研究所 |
| IES | Information Exchange System | 信息交换系统 |
| IES | IDEX II Imagery Exploitation Station | IDEX II图像开发站 |
| IES | Institutions de l'Enseignement SupÉrieur | Institutions de l'Enseignement SupÉrieur |
| IES | Intelligence Exploitation Squadron | 情报开发中队 |