| Abbreviation | Definition |
|---|---|
| MRO | Materiel Release Order |
| MRO | Medical Regulating Office |
| MRO | Medical Regulating Officer |
| MRO | Medical Review Officer |
| MROA | Michigan Reserve Officers Association |
| MROC | Marine Requirements Oversight Council |
| MROC | Multi-command Required Operational Capabilities |
| MRP | Manpower Requirements Program |
| MRP | Manufacturing Resource Planning |
| MRP | Materials Requirements Planning |
| MRP | Medical Rehabilitation Platoon |
| MRP | Militarized Reconfigurable Processor |
| MRP | Military Relocation Professional |
| MRP | Military Relocation Professionals |
| MRP | Missile Round Pallet |
| MRP | Mutual Recognition Procedure |
| MRR | Minimum Risk Route |
| MRR | Motorized Rifle Regiment |
| MRRR | Mobility Requirement Resource Roster |
| MRRS | Medical Readiness Reporting System |