SSIR
| Acronym | Definition |
|---|---|
| SSIR | Stanford Social Innovation Review (journal) |
| SSIR | System Software Interrupt Request |
| SSIR | School Status and Improvement Report (annual individual school report; Hawaii) |
| SSIR | Supply System Inventory Report |
| SSIR | Space Station Integration Review |
| SSIR | Special Security Investigation Required |
| SSIR | Sequence, Selection, Iteration, and Recursion |