| Acronym | Definition |
|---|
| SSMI | Special Sensor Microwave Imager |
| SSMI | Sgi Storage Management Interface |
| SSMI | Synchronous System Management Interrupt |
| SSMI | Six Sigma Management Institute (Seoul, South Korea) |
| SSMI | Swiss Society for Medical Informatics |
| SSMI | Sister Servants of Mary Immaculate (Byzantine Rite; religious order) |
| SSMI | Structured Spreadsheet Modelling and Implementation |
| SSMI | Southwest System Monitoring, Inc. (Phoenix, AZ) |
| SSMI | Simplified Soldier Machine Interface |
