| Acronym | Definition |
|---|
| OISM➣Oregon Institute of Science and Medicine |
| OISM➣Osservatorio Italiano Salute Mentale (Italian: Italian Observatory for Mental Health; Italy) |
| OISM➣Orthodox Inter-Seminary Movement |
| OISM➣Ohio’s Integrated Systems Model for Academic and Behavioral Supports |
| OISM➣Operations and Information Systems Management |