| Abbreviation | Definition |
|---|---|
| SMB | Small and Medium Business |
| SMB | Standoff Minefield Breacher |
| SMB | Submarine Message Buffer |
| SMBTSA | Send Me Back To Saudi Arabia |
| SMC | Chief Salvage Mechanic |
| SMC | Midpoint Compromise Track Spacing |
| SMC | SAR (Search And Rescue) Mission Coordinator |
| SMC | Site Movement Coordinator |
| SMC | Staff Message Control |
| SMC | Surface-Mount Component |
| SMC | System Master Catalog |
| SMCA | Single Manager for Conventional Ammunition |
| SMCC | State Movement Control Center |
| SMCC | Strategic Mobile Command Center |
| SMCM | Master Chief Salvage Mechanic |
| SMCM | Surface Mine Countermeasures |
| SMCOO | Spectrum Management Concept of Operations |
| SMCP | Strategic Manpower Conversion Program |
| SMCR | Selected Marine Corps Reserve |
| SMCS | Senior Chief Salvage Mechanic |