| Acronym | Definition |
|---|
| OMSS➣Open Market Sale Scheme (India) |
| OMSS➣Organized Medical Staff Section (medical association) |
| OMSS➣Oakland Maritime Support Services (California) |
| OMSS➣Orthodontic Measurement and Simulation System |
| OMSS➣Office of Minority Student Services (various universities) |
| OMSS➣Organizational Maintenance Sub-Shop |
| OMSS➣Operational Meteorological Satellite System |