| Abbreviation | Definition |
|---|---|
| ODE(CDER) | Office of Drug Evaluation (Center for Drug Evaluation and Research) |
| ODE(CDRH) | Office of Device Evaluation (CDRH) |
| ODEII | Office of Drug Evaluation II (CDER) |
| ODEIII | Office of Drug Evaluation III (CDER) |
| ODEIV(CDER) | Office of Drug Evaluation IV (CDER) |
| ODI | Oswestry Disability Index |
| ODM | Operational Data Model |
| ODS | Office of Dietary Supplements |
| ODSIR | Office of Drug Security Integrity and Recalls |
| OE(ORA) | Office of Enforcement (ORA) |
| OECD | Organisation for Economic Co-operation and Development |
| OEEODEM(OC) | Office of EEO and Diversity Management (OC) |
| OEI | Official Establishment Inventory |
| OEL | Occupational Exposure Level |
| OEO(OC) | Office of Executive Operations (OC) |
| OEP | Office of Emergency Preparedness |
| OEP(CDER) | Office of Executive Programs (CDER) |
| OER(OC) | Office of External Relations (OC) |
| OES(OC) | Office of Executive Secretariat (OC) |
| OEXA | Office of External Affairs (OC) |