| Abbreviation | Definition |
|---|---|
| MSOAG | Marine Special Operations Advisor Group |
| MSOC | Marine Special Operations Company |
| MSOS | Military Spouses of Strength |
| MSOT | Multi Service Operational Test |
| MSOTF | Marine Special Operations Task Force |
| MSOW | Modular Stand Off Weapon |
| MSOW | Modular Standoff Weapon |
| MSP | Medical Supply Point |
| MSP | Message Security Protocol |
| MSP | Military Security and Police |
| MSP | Military Service Pay |
| MSP | Military Spouse Preference |
| MSP | Mission Support Plan |
| MSP | Mobile Sensor Platform |
| MSP | Multi Side Ports |
| MSP | Munition Supply Point |
| MSPES | Mobilization Stationing, Planning, and Execution System |
| MSPG | Military Support Planning Guidance |
| MSPS | Mobilization Station Planning System |
| MSPS | Mobilization Stationing and Planning System |