| IOV | inter-office voucher | 内部传票 |
| IOV | integrated ozone value | 臭氧总值 |
| IOV | In-Orbit Validation | 在轨验证 |
| IOV | Internationale Organisation fÜr Volkskunst (German: international organization for people art) | Internationale Organisation fÜr Volkskunst (German: international organization for people art) |
| IOV | I/O Virtualization (allows multiple operating systems running simultaneously to share devices) | I / O虚拟化(允许多个操作系统运行,同时分享设备) |
| IOV | Incandescent Oil Vapor | 白炽油蒸汽 |
| IOV | Information Organization And Visualization | 信息组织与可视化 |