| IVO | Installation Voting Officer | 安装投票官员 |
| IVO | Immobilized Vehicle Order | 固定车辆订单 |
| IVO | Infovision Optronics (China) | Infovision Optronics（中国） |
| IVO | Inlet Valve Opening | 进气阀打开 |
| IVO | In View Of | 鉴于 |
| IVO | intraoral vertical ramus osteotomy | 口内垂直支截骨术 |
| IVO | Iranian Veterinary Organization | 伊朗兽医组织 |
| IVO | Intelligent Valve Operator | 智能阀门操作器 |
| IVO | Internation Volume Offering (IBM; global computer discount) | 国际批量产品（IBM；全球计算机折扣） |
| IVO | I'm Very Old | 我是很古老的 |
| IVO | In Vicinity Of | 在附近 |
| IVO | Chivolo, Colombia | 奇沃洛，哥伦比亚 |
| IVO | International Virtual Observatory | 国际虚拟天文台 |
| IVO | Internet Video Overlay | Internet视频覆盖 |