| Acronym | Definition |
|---|
| SIMA | Special Import Measures Act (Canadian customs) |
| SIMA | Shore Intermediate Maintenance Activity (US Navy) |
| SIMA | Snow and Ice Management Association |
| SIMA | Steel Import Monitoring and Analysis |
| SIMA | Systemwide Initiative on Malaria and Agriculture |
| SIMA | Workshop on Situation Management (IEEE) |
| SIMA | Ship Intermediate Maintenance Activity |
| SIMA | Strain Induced Melt Activation |
| SIMA | Silica and Magnesia (earth's crust lower shell) |
| SIMA | Systems Integration & Management Activity |
| SIMA | System Integration for Manufacturing Applications |
| SIMA | Small Incremental Motion Actuator |
| SIMA | Secure Infrastructure Management Architecture |
| SIMA | Selected Intermediate Maintenance Activity |