| Abbreviation | Definition |
|---|---|
| ODA | Operation Dear Abby |
| ODA | Operational Detachment-Alpha |
| ODAB | Obyomno-Detoniruyuschchaya Aviatsionnaya Bomba |
| ODATE | Organization Date |
| O-Day | Off-Load Day |
| ODB | Operational Data Base |
| ODB | Operational Detachment-Bravo |
| ODC | Office of Defense Cooperation |
| ODCR | Officer Data Control Report |
| ODCR | Officer Distribution Control Report |
| ODCSINT | Office of the Deputy Chief of Staff for Intelligence |
| ODCSLOG | Office of the Deputy Chief of Staff for Logistics |
| ODCSLOG | Office of The Deputy Chief of Staff For Logistics (Army) |
| ODCSOPS | Office of the Deputy Chief of Staff for Operations and Plans |
| ODCSOPS | Office of The Deputy Chief of Staff For Operations and Plans (Army) |
| ODCSPER | Office of the Deputy Chief of Staff for Personnel |
| ODCSPER | Office of The Deputy Chief of Staff For Personnel (Army) |
| ODD | Objective Digital Division |
| ODD | Offboard Deception Device |
| ODES | Operation And Deployment Experiments Simulator |