| Acronym | Definition |
|---|
| ISIMS➣Idaho Student Information Management System (2001-2004) |
| ISIMS➣Intelligent Security Infrastructure Management Systems (Symbiot, Inc.) |
| ISIMS➣International Symposium on Interdisciplinary Materials Science (annual conference) |
| ISIMS➣Itech Student Information Management System (Moneague College; Jamaica) |
| ISIMS➣International Society for Ion Mobility Spectrometry |