| Abbreviation | Definition |
|---|---|
| OAOE | Oregon Association of Orthopaedic Executives |
| OAW | Orthopaedic Associates of Wausau |
| OAW | Orthopaedic Associates of Wisconsin |
| ODEP | Orthopaedic Data Evaluation Panel |
| ODM | Orthopaedic Decision Making |
| OFC | Orthopaedic Fracture Clinic |
| OHTC | Orthopaedic Hemophilia Treatment Center |
| OIBG | Orthopaedic and Injury Biomechanics Group |
| OIBG | Orthopaedic Injury Biomechanics Group |
| OIC | Orthopaedic Implant Company |
| OIC | Orthopaedic Institute for Children |
| OIO | Orthopaedic Institute of Ohio |
| OITE | Orthopaedic In Training Examination |
| OKO | Orthopaedic Knowledge Online |
| OLC | Orthopaedic Learning Center |
| ONCB | Orthopaedic Nursing Certification Board Orthopaedic |
| ONS | Orthopaedic Neurosurgery Specialists |
| OOA | Olympia Orthopaedic Associates |
| OOEC | Oxford Orthopaedic Engineering Centre |
| OPH | Orthopaedic Physically Handicapped |