| Acronym | Definition |
|---|
| SISM➣Segretariato Italiano Studenti in Medicina (Italian: Italian Medical Students' Secretariat) |
| SISM➣Software Intelligent Systems and Modeling (US NASA) |
| SISM➣Syntactic Information Source Model |
| SISM➣Single Integrity System Measurement |
| SISM➣Standard Information Systems Manager |
| SISM➣Service Indication Scheduling Module |