| Abbreviation | Definition |
|---|---|
| ODU | Ohio Dominican University |
| ODU | Old Dominion University |
| ODW | Organizational Development Workgroup |
| OE | Operation Explorer |
| OEB | Department of Organismic and Evolutionary Biology |
| OED | Oxford English Dictionary |
| OEE | Office of Economic Education |
| OEG | Open Experimental Platform |
| OEH | Department of Occupational and Environmental Health Sciences |
| OEO | Office of Engineering Outreach |
| OEP | Optometric Extension Program Foundation |
| OEP | Optometry Extension Program |
| OER | Optical & Electronic Research |
| OERU | Open Education Resources University |
| OESO | Occupational & Environmental Safety Office |
| OET | Office of Educational Technology |
| OFA | Office of Financial Assistance |
| OFAR | Office of Financial Aid And Registrar |
| OFE | Office of Field Experiences |
| OFEP | Office of Field Experiences and Partnerships |