JMSA
| Acronym | Definition |
|---|---|
| JMSA | Japanese Maritime Safety Agency |
| JMSA | Journal of the Microscopy Society of America |
| JMSA | Japanese Medical Society of America |
| JMSA | Journal of Marine Science and Application |
| JMSA | Japan Metal Stamping Association |
| JMSA | Jewish Medical Student Association (various schools) |