SSIU
| Acronym | Definition |
|---|---|
| SSIU | Spatial Science Innovation Unit (University of Sydney; Australia) |
| SSIU | Singulate, Scan and Induction Unit |
| SSIU | Systems Simulator Interface Unit |
| SSIU | Simulated Subsystem Interface Unit |
| SSIU | Small Scale Irrigation Unit (Kenya) |
| SSIU | Stores Station Interface Unit |