| ODU | Out Door Unit | 户外装置 |
| ODU | Operational Dress Uniform | 工作服制服 |
| ODU | Outdoor Device Unit | 室外设备单元 |
| ODU | Optical Demultiplexing Unit | 光解复用单元 |
| ODU | Optical Channel Data Unit | 光信道数据单元 |
| ODU | Optical Density Unit | 光学密度单位 |
| ODU | Orphan Disease Update | 孤儿病更新 |
| ODU | Old Dominion University | 欧道明大学 |
| ODU | Oncology Data Unit | 肿瘤学数据单元 |
| ODU | Ogoni Divisional Union | 奥戈尼分区工会 |
| ODU | Ohio Dominican University | 俄亥俄多米尼加大学 |
| ODU | Outdoor Unit (wireless) | 室外机（无线） |
| ODU | Organizational Documentation Update | 组织文档更新 |
| ODU | Operations Duty Uniform | 作战值班制服 |