| Acronym | Definition |
|---|
| ISSM➣Ice Sheet System Model |
| ISSM➣International Society for Sexual Medicine (Maarn, The Netherlands) |
| ISSM➣Institut Steacie des Sciences Moléculaires (French: Steacie Institute for Molecular Sciences; Canada) |
| ISSM➣Information Systems Security Manager |
| ISSM➣International Symposium on Semiconductor Manufacturing |
| ISSM➣Institute for the Study of Security Markets |
| ISSM➣Institute of Sales and Marketing Management (UK) |
| ISSM➣Interim Semi-Static Stability Model (DIME/PMESII tool for evaluating the situation in OOTW) |
| ISSM➣Information Systems Security Monitoring |
| ISSM➣Integrated Security Systems Management (Valencia, CA) |