| Acronym | Definition |
|---|
| ISMM➣International Symposium on Memory Management (computer memory) |
| ISMM➣International Symposium on Mathematical Morphology |
| ISMM➣Institute of Sales and Marketing Management |
| ISMM➣International Society for Mountain Medicine (est.1985; Colorado Springs, CO) |
| ISMM➣International Symposium on Malignant Mesothelioma (cancer) |
| ISMM➣Industrial Systems Manufacture and Management (UK academic program) |