| SMEAC | Save Middle East Action Committee 
| Others |
| SMEAC | Sierra Madre Environmental Action Council
| Others |
| SMEAC | Situation Mission Equipment Administration Command
| Others |
| SMEAC | Situation Mission Execution Administration and Command
| Others |
| SMEAC | Situation Mission Execution Administration and Control
| Others |
| SMEAC | Situation Mission Execution Administration Command
| Others |
| SMEAC | Situation Mission Execution Administration Communication
| Others |
| SMEAC | Snowy Mountains Elders Aboriginal Corporation
| Others |
| SMEAC | Sub Modality Eye Accessing Cues
| Others |