| Acronym | Definition |
|---|
| ISMS➣Information Security Management System |
| ISMS➣Illinois State Medical Society |
| ISMS➣Integrated Safety Management System |
| ISMS➣Information Security Management Systems |
| ISMS➣International Symposium on Molecular Spectroscopy |
| ISMS➣In-flight Safety Monitoring System |
| ISMS➣International Seminar on Manufacturing Systems |
| ISMS➣Indian Society for Medical Statistics |
| ISMS➣Integrated Ship Management System (various locations) |
| ISMS➣Illinois State Museum Society |
| ISMS➣Integrated Environmental, Safety, and Health Management System |
| ISMS➣Integrated Survivability Management System (NAVSEA) |
| ISMS➣International School of Medical Sciences (Panama) |
| ISMS➣International Society of Military Sciences (The Netherlands) |