| Acronym | Definition |
|---|
| IFSM➣Installable File System Manager |
| IFSM➣Information Systems Management |
| IFSM➣International Federation of Societies for Microscopy |
| IFSM➣International Federation of Sports Medicine |
| IFSM➣International Forum on Systems and Mechatronics (Taiwan) |
| IFSM➣Interim Fleet Satellite Communications Spectrum Monitor |