ESMB
| Acronym | Definition |
|---|---|
| ESMB | Ex Scientologist Message Board (online forum) |
| ESMB | Explosive Standoff Minefield Breacher |
| ESMB | Echocardiographic Safety Monitoring Board (medicine) |
| ESMB | European Society for Marine Biotechnology (France; est. 1995) |
| ESMB | Emerging Small and Medium Business |
| ESMB | Electrically-Switched Multiple Beam |