| IOE | International Office of Epizooties | 国际兽疫组织 |
| IOE | International Office of Epizootics | 国际流行病办公室 |
| IOE | Institute of the Environment (UCLA) | 环境研究所（UCLA） |
| IOE | International Organisation of Employers (Geneva, Switzerland) | 国际雇主组织（瑞士日内瓦） |
| IOE | Intelligent Optical Engine (Onetta, Inc.) | 智能光学引擎（Onetta，Inc.） |
| IOE | Industrial and Operations Engineering | 工业和运营工程 |
| IOE | Institute of Education (UK) | 教育学院（英国） |
| IOE | Initial Operating Experience | 初始运行经验 |
| IOE | Isle Of Ely | 伊利岛 |
| IOE | Independent Operational Evaluator | 独立作战评估员 |
| IOE | IFORS (International Federation of Operational Research Societies) Online Encyclopedia | IFORS（国际运筹学联合会）在线百科全书 |
| IOE | Irregular Outer Edge | 不规则外刃 |
| IOE | Islands of Elements | 元素岛 |
| IOE | Independent Operational Evaluation | 独立作战评价 |
| IOE | Involvement, Openness, and Expertise | 参与、开放和专业知识 |
| IOE | Institute Of Evangelism | 福音学院 |
| IOE | Institute for Occupational Ergonomics (UK) | 职业工效学研究所（英国） |
| IOE | Intraoral Exam (dentistry) | 口腔内检查（牙科） |
| IOE | In Orbit Experiment | 在轨实验 |