| Acronym | Definition |
|---|
| OMAS➣Optical Media Advance Sensor |
| OMAS➣Oral Mucositis Assessment Scale |
| OMAS➣Official Mail Accounting System (US Postal Service) |
| OMAS➣Oklahoma Marine Aquarium Society |
| OMAS➣Office of Military and Aerospace Support (California) |
| OMAS➣Outage Management & Analysis System |
| OMAS➣Opsoclonic-Myoclonic-Ataxic Syndrome (neurology) |