| Acronym | Definition |
|---|
| IMSO➣International Mobile Satellite Organization |
| IMSO➣International Military Student Office |
| IMSO➣International Military Student Officer |
| IMSO➣Integrated Micro Systems Operation |
| IMSO➣International Mathematics and Science Olympiad |
| IMSO➣In My Superior Opinion |
| IMSO➣In My Stupid Opinion |
| IMSO➣Initial Materiel Support Office |
| IMSO➣Information Management Support Office |
| IMSO➣Intensive Management Staff Officer |
| IMSO➣International Military Student Organization |