OMSS
| 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 |