| Acronym | Definition |
|---|
| ODU➣Old Dominion University |
| ODU➣Outdoor Unit (wireless) |
| ODU➣Optical Channel Data Unit |
| ODU➣Ohio Dominican University |
| ODU➣Optical Distribution Unit |
| ODU➣Outdoor Unit |
| ODU➣Osaka Dental University (Japan) |
| ODU➣Operational Dress Uniform |
| ODU➣Ogoni Divisional Union |
| ODU➣Orphan Disease Update |
| ODU➣Optical Density Unit |
| ODU➣Optical Demultiplexing Unit |
| ODU➣Outdoor Device Unit |
| ODU➣Oncology Data Unit |
| ODU➣Organizational Documentation Update |