| Abbreviation | Definition |
|---|---|
| OQI | Operator Qualification Information |
| OQI | Organizational Quality Improvement |
| OQI | Outgoing Quality Improvement |
| OQIC | Operator Qualification Information Center |
| OQJ | Official Quality Journal |
| OQL | Outgoing Quality Level |
| OQM | Office of Quality Management |
| OQT | Operator Qualification Testing |
| OR | Operational Requirement |
| ORA | Offshore Risk Assessment |
| ORA | Operational Readiness Assessment |
| ORC | OverRiding Commission |
| ORCA | On-line Reporting and Charting Application |
| ORCE | Observe, Record, Classify, Evaluate |
| ORD | Order |
| ORF | Office of Research Facilities |
| ORG | ORGanization |
| ORM | Operating Resource Management |
| OS | Off Site |
| OS | Operating Standards |